Hydraulic Oil Flow Meters

Posted on January 11, 2020 by KimGuo11

The hydraulic flow meter is mainly for inline hydraulic system instantaneous flow test and high-pressure test. Industrial Hydraulic oil flow meter, also called hydraulic flow gauge.

Sino-Inst offers Turbine, Mass flow, Oval gear, V-cone, Target, and Orifice flow meters for inline hydraulic oil flow. Features like: bidirectional, high pressure, analog, can be customized as customer need.

RFQ

Sino-Inst offers a variety of hydraulic oil flow Meters for flow measurement. If you have any questions, please contact our sales engineers.

More Flow Meters

Hydraulic oil flow meters measure the flow of oil in machines. They are important in many industries. These meters help machines work well, last longer, and avoid breaking down. Industries like car-making, mining, and oil & gas use them. Hydraulic oil flow meters are needed for accurate measurements and to keep machines running smoothly.

Featured Hydraulic Flow Meters for Sale

**V-series Curved Digital Mass Flow Meter**

Sino-Inst offers great prices for hydraulic oil flow meters. For example, a turbine flow meter for hydraulic oil:

Size: DN50
Max pressure: 16 bar
Signal output: 4-20mA
FOB Price: USD 585.00/set

Please note, this price is just an example. The actual price depends on the user’s specific measurement needs.

Hydraulic oil is the hydraulic medium.

Hydraulic oil is used in hydraulic systems that utilize fluid pressure energy.

Its role is Energy transfer, anti-wear, system lubrication, Anti-corrosion, anti-rust, cooling, etc.

1. Hydraulic systems for automobiles and construction machinery use hydraulic oil as the working medium. In this type of hydraulic system, the fluid velocity is not large and the pressure is high, so it is called static pressure transmission.

2. Hydraulic oil is widely used, and it is the most used product in industrial oil. Hydraulic components are developing in the direction of small size and high power. The system pressure is getting higher and higher, and some have exceeded 50 MPa.

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Hydraulic pressure is a term for the machinery industry and electromechanical industry. Hydraulic power can be powered by hydraulic power. Hydraulic pressure can also be used as a control method, which is called hydraulic pressure control.
Hydraulic principle In certain mechanical and electronic systems, the static pressure of the liquid medium is used to complete the backlog, transfer and amplification of energy. Achieve lightweight, scientific, and maximized mechanical functions.
In the hydraulic system, due to some reason, the liquid pressure suddenly rises suddenly at a certain moment, and a high-pressure peak is formed. This phenomenon is called hydraulic shock.
Select the type of hydraulic oil according to the working environment and working conditions. When selecting the hydraulic oil used in hydraulic equipment. It should be comprehensively considered and judged from several aspects such as working pressure, temperature, working environment, hydraulic system and component structure and material, and economy.

Extended reading: High Temperature Flow Meter

The hydraulic flow meter is a flowmeter that can measure hydraulic oil. The hydraulic flow meter is a name called according to the measurement medium in the industry.

There is no hydraulic oil flow meter in the strict sense. It is not accurate to say which flowmeter is a hydraulic flow meter. Which one to use depends on the specific flow measurement conditions.

For example, the hydraulic oil is also labeled, 40 #, 46 #, or other viscosity properties. Then choose a suitable flow meter according to the relevant information such as flow, pressure, viscosity, and so on.

Here are some common types of hydraulic oil flow meters and what they do:

Gear Flow Meters: These meters have gears that rotate to measure oil flow. They work well with thick fluids.
Turbine Flow Meters: These meters use a spinning part to measure flow. They work with different flow rates and clean fluids.
Variable Area Flow Meters: Also called rotameters, these meters use a tube and a moving float to measure flow. They’re simple and work with many fluid types.
Positive Displacement Flow Meters: These meters measure fluid flow by trapping and counting fluid. They’re accurate and good for thick fluids like hydraulic oil.
Mass Flow Meters: These meters measure the mass of fluid flowing through a system instead of volume. They are useful in situations where fluid density changes can impact the accuracy of volumetric flow meters.
Ultrasonic Flow Meters: These meters use sound waves to measure flow without touching the fluid. They’re good when you want to avoid fluid contamination or pressure loss.

Knowing the different types of hydraulic oil flow meters helps you pick the best one for your needs.

High-Pressure Turbine Flow Meter series of turbine flow meters is ideal when measuring the flow of fluids under high pressure, such as in hydraulic testing.

It is also perfect for chemical injection systems, as it withstands pressures up to 20,000 psi and is available in a variety of flow ranges (0.08 to 32 gallons/minute).

High Pressure Hydraulic Flow Meter

Diameter	DN200～DN3000mm
Accuracy	0.5% to 2.0% of reading
Temp. range	-20～+150℃
Pressure	40 MPa
Flow rate	0.5～6m/s
Straight pipe required	Up stream≥5DN, down stream≥3DN

The wireless flow meter is integrated with the instrument and control part on the basis of accurate measurement. Realize automatic cut-off and connection operation of the pipeline.

The wireless flowmeter avoids the liquid flowing too fast and causing damage to the instrument itself. Prevent dangerous accidents.

Wireless flow meter realizes the operation of automatic two-way flow measurement. Instantaneous flow on site. Total forward and reverse total display. Self-diagnostic fault alarm. Full use of GSM / GPRS data wireless remote transmission and other functions to realize wireless remote transmission of flow data, Storage and other functions.

GSM / GPRS remote monitoring and management software system is matched with wireless remote transmission flowmeter with remote transmission function.

This system can query, statistics, analyze and display the water consumption situation and pipeline pressure of each measurement point in the form of charts or curves.

Users can easily manage water consumption at each measurement point. When abnormal water conditions occur at the measurement point or the battery capacity of the on-site flow meter is insufficient. The system can issue an alarm message.

Can display the meter’s flow rate, flow rate, cumulative quantity, pressure, working status, and other data.
Can print all the data of the query directly.
Can directly export the data of all meters to the computer.
Can directly see the flow curve of the query meter. Directly print out the flow curve graph.
You can check the working status of the field instrument and whether the instrument has an alarm condition.
Can display the annual, monthly, and daily water consumption of all the instruments in the form of a report. You can directly print the report.
You can directly export the report to the computer. All meter data can be backed up directly to the computer.

Extended Reading: Insertion Flowmeter Types

How to use a hydraulic flow meter?

A flow meter can be placed in any location of the hydraulic line to detect the flow rate. Flow meters with variable port sizes are available that are suitable for different hydraulic systems.
When the hydraulic system operates, the fluid is passed towards the flow meter.
A flow meter mainly contains 3 parts; the primary device, a transducer and a transmitter. The transducer senses the hydraulic fluid passing through the primary device.
And a usable flow signal is generated by the transmitter when the sensed signal is sent by the transducer.
The volume is calculated based on the principle that the volume of fluid passing is directly proportional to the cross-sectional area and the fluid velocity.
Also, the mass flow is directly proportional to fluid density and volume.
Then, this calculated hydraulic measurement is displayed on the hydraulic flow meter gauge.
All standard hydraulic oil flow meters supports unidirectional flow.
But, reverse flow by-pass options are also available with some selected flow meters.
Selecting a hydraulic flow meter is a difficult procedure. A wrong selection will cause errors in the diagnosed result.
The factors that need to be considered while selecting a hydraulic flow meter are:
- the hydraulic fluid properties.
- operating condition of the hydraulic system.
- the need for measuring flow.
- the level of accuracy required.
- the effect of fluid on flow meter and vice-versa.
- and finally the budget.

More about inline oil flow meter

Digital inline oil flow meter

What is an inline flow meter?

The online flow meter is actually a flow meter displayed on the spot. At present, all integrated flow meters are online flow meters. All have local display function.

For example, the split-type flowmeter has no local display function. Its meter head and sensor are connected through conduction, and the online flowmeter is the mainstream measuring instrument in current flow measurement.

What are the advantages of online flow meters in the flow measurement process? In some measurements with a control system, the advantage of the online flowmeter is not great. Because the size of the flow can be monitored through the PLC system. And there is no PLC system in the working condition. The online flowmeter can show its advantages, and it can display the accumulated flow and instantaneous flow online.

Inline hydraulic oil flow meter

Inline hydraulic oil flow meter measures the hydraulic oil flow directly on the pipeline, and then displays the flow on the meter.

Hydraulic oil flowmeter is a flowmeter that can measure hydraulic oil. It is the name given by the industry based on the measurement medium. There is no hydraulic oil flow meter in the strict sense.

It is foolish to say which flowmeter is the hydraulic oil flowmeter.

Which one to use depends on the specific working conditions. For example, hydraulic oil also has a label, is it 40#, 46# or other viscosity properties. It is necessary to see clearly, and then select an appropriate flow meter based on the flow, pressure and other related information.

Extended Reading: Summary Of Crude Oil Flow Measurement Options

Oil Flow Meter Types

At present, the following types of flow meters can be used to measure oil:

Turbine flow meters. Gear flow meter. Vortex flowmeter. Ultrasonic flow meter. Mass flowmeter. Differential pressure flow meters.

Flow Meter Selection Guide 101: Find the Perfect Fit for Your Application

How to Select Hydraulic flow Meter?

When searching for a flow meter for use in a particular hydraulic application, these five questions can help:

What are the fluid properties?
What is the hydraulic system operating condition
Why is flow being measured; how accurately does the flow measurement need to be?
What effect might the flow meter have on the fluid and vice-versa?
How important is it to measure flow;
What is your budget?

Extended Reading: Mechanical oil flow meter

Technical Support

Help Center

The D represents the diameter of the pipe. For the orifice plate in the orifice plate flowmeter, the minimum requirements for the front and rear straight pipe sections are 10D Upstream and 5D Downstream. If there is a pump or regulating valve in front of the orifice plate, then the requirements for the straight pipe section are greater.

There are many types of flow meters.

According to the different structural principles of the flowmeter, it is divided into:

Differential pressure flowmeter: orifice plate, bar type such as Annubar, V cone, wedge type, elbow, nozzle, target type, etc.
Variable area flowmeter: rotor, open channel, etc.
Velocity flowmeter: electromagnetic, ultrasonic, turbine, vortex street, precession vortex, rotor, etc.
Positive displacement flowmeter: waist wheel, oval gear, piston, scraper, etc.
Mass flowmeter: Coriolis, thermal, etc.

Extended reading: Metal Tube Flow Meter-Variable Area Flow Meters Principle

Flow is the amount of fluid that passes through a pipe or device at a cross-section in a unit of time. This quantity is expressed by mass and is called mass flow. Expressed by volume, called volume flow. Expressed by weight, called weight flow.

Because the density of a fluid changes with changes in the state parameters of the fluid, the volume state must be given while specifying the state of the fluid.

Especially for gas, its density varies significantly with pressure and temperature. In order to facilitate the comparison of the volume flow rate, the volume flow rate in the working state is often converted to the volume flow rate in the standard state (temperature is 20 ° C and absolute pressure is 101325Pa).

Commonly used flow measurement methods include speed-type flow measurement methods, volumetric flow measurement methods, and direct or indirect methods to measure the mass of fluid flowing through the cross section of the pipe per unit time.

In the above method, more speed-type flow measurement method instruments are applied.

Except for the standard throttling device which does not need to be tested for the current flowmeter, almost all other flowmeters need to be calibrated when leaving the factory. During the use of the flowmeter, it should also be calibrated frequently.

The volume method is most commonly used. This is a method of measuring the volume of fluid flowing into a constant volume container within a measurement time to obtain the flow rate.

The mass method is a method of weighing the mass of a fluid flowing into a container within a measurement time to obtain a flow rate.

During calibration, a pump is used to draw the test fluid from the liquid storage container through the calibrated flowmeter and enter the liquid container.

The temperature of the fluid is measured while the weight is weighed to determine the density of the measured fluid at that temperature.

Divide the weight of the measured fluid by the density of the fluid at the measured temperature to obtain the volume of the fluid.

Comparing it with the meter’s volume indication (accumulated pulse number), the meter constant and accuracy of the calibrated flowmeter can be determined. The accuracy of this system can reach 0.1%.

The working principle of the standard volume tube method is based on the volumetric method (standard volumetric method), but it is a dynamic measurement.

The standard flowmeter comparison method is to connect the calibrated flowmeter and the standard flowmeter in series to the pipeline flowing through the test fluid, and compare the two measured values to find the error. The accuracy of the standard flowmeter is 2 to 3 times higher than that of the calibrated flowmeter.

Where are flow meters used? Or, What does a flow meter measure?

At industrial sites, meters that measure fluid flow are referred to as flow meters or flow sensors.

It is one of the most important instruments in industrial measurement.

With the development of industry, the accuracy and range of flow measurement requirements are getting higher and higher.

In order to adapt to various purposes, various types of flowmeters have been successively launched,

widely used in oil and gas, petrochemical, water treatment, food and beverage.

Industries such as pharmaceuticals, energy, metallurgy, pulp and paper, and building materials.

Measurement of gas mass flow in industrial pipelines
Smoke flow rate measurement from the chimney
Calciner flue gas flow measurement
Air flow measurement during gas process
Compressed air flow measurement
Gas flow measurement during semiconductor chip manufacturing process
Gas flow measurement in sewage treatment
Gas flow measurement in heating ventilation and air conditioning systems
Flux recovery system gas flow measurement
Measurement of combustion gas flow in a combustion boiler
Gas flow measurement of natural gas, flare gas, hydrogen, etc.
Measurement of carbon dioxide gas flow during beer production
Measurement of gas mass flow in the production process of cement, cigarette and glass factory
Open channel

Flowmeters are devices that measure the rate of liquid, gas or vapor that passes through them.

Some flowmeters measure flow as the amount of fluid passing through the flowmeter during a time period (such as 100 liters per minute).

Other flowmeters measure the totalized amount of fluid that has passed through the flowmeter (such as 100 liters).

Flow measurement can be described by :
Q = A x v

Q is flow rate, A is the crosssectional area of the pipe, and v is the average fluid velocity in the pipe.

Putting this equation into action, the flow of a fluid traveling at an average velocity of a 1 meter per second,

through a pipe with a 1 square meter cross-sectional area is 1 cubic meter per second.

Note that Q is a volume per unit time, so Q is commonly denoted as the “volumetric” flow rate.

Now consider the following equation:
W = rho x Q

Where W is flow rate (again – read on), and rho is the fluid density.

Putting this equation into action, the flow rate will be 1 kilogram per second,

when 1 cubic meter per second of a fluid with a density of 1 kilogram per cubic meter is flowing.

(The same can be done for the commonly-used “pounds”. Without getting into details — a pound is assumed to be a mass unit.)

Note that W is a mass per unit time, so W is commonly denoted as the “mass” flow rate.

Now — which flow do you want to measure? Not sure? In some applications, measuring the volumetric flow is the thing to do.

Consider filling a tank.

Volumetric flow may be of interest to avoid overflowing a tank,

where liquids of differing densities can be added.

(Then again, a level transmitter and high level switch/shutoff may obviate the need for a flowmeter.)

Consider controlling fluid flow into a process that can only accept a limited volume per unit time.

Volumetric flow measurement would seem applicable.

In other processes, mass flow is important.

Consider chemical reactions,where it is desirable to react substances A, B and C.

Of interest is the number of molecules present (its mass), not its volume.

Similarly, when buying and selling products (custody transfer) the mass is important, not its volume.

In recent years, flow measurement technology has developed rapidly. Most of the steam flow measurement uses differential pressure flowmeters and vortex flowmeters.

In practical applications, the maximum diameter of the high temperature vortex flowmeter can only be 300mm and the maximum temperature is 450℃. Therefore, in the measurement of high temperature and high pressure large-diameter steam flow, the differential pressure flowmeter still has unique advantages. For example, Annubar flowmeter, differential pressure orifice flowmeter, etc.

Differential pressure flowmeter manufacturing technology and national and international standards are quite mature. With the introduction of the multivariable transmitter dynamic full compensation intelligent technology, the accuracy of high temperature pressure and large diameter steam flow measurement has been greatly improved, and the installation and maintenance workload has been reduced.

Diesel Fuel Flow Meters

Posted on January 8, 2020 by KimGuo11

Diesel Fuel flow meters are digital flow meters for liquid fuel consumption measurement.

Most widely used types are mechanical and digital inline fuel meters. Differential flow sensors are avilable. Like: the turbine, positive displacement (oval gear), Coriolis, and differential pressure flow meters.

Sino-Inst offers a variety of fuel flow meters for most fuels. Including diesel, bio-diesel, kerosene, gasonline, oil, heating oil, grease and certain chemicals.Sino-Instrument offers diesel fuel flow measurement solutions and free technical support. If you have any question for diesel fuel flow measurement, please contact us.

Contact Now

Featured Inline Diesel Fuel Flow Meters

**Z-Series Straight Tube Micro Motion Coriolis Flow Meter**

**T-series Triangle Coriolis Mass Flowmeter**

Features of Diesel Fuel Flow Meters

Turbine flow meter for Diesel Fuel

High performance ±1%R, ±0.5%R, high precision ±0.2%R;
Good repeatability, short-term repeatability of 0.05% to 0.2%
Output pulse frequency signal
A very high frequency signal (3~4kHz) can be obtained, and the signal resolution is strong;
The medium and large caliber can reach 1:20 and the small diameter is 1:10.
Easy installation and maintenance, and large circulation capacity;
Suitable for high pressure measurement
Can be made into insert type for large diameter measurement
Low pressure loss and low price

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Mass flow meter for Diesel Fuel

Double-U or double-C flow tube ensures high accuracy and customer’s requirement.
Provides integrated mass flow, volum flow, density, temperature measurement and relative calculated parameter.
Easy on Installation, do not need rectifier and filter parts.
Fixed parts, maintenace free. High stability, no need for frequent disassembly calibration.
Allow low-range operation, reducing pressure loss and energy consumption waste.
Integrated installation, low installation costs.
Extremely high accuray and long-term stability, could be used for business transaction.
Ultra-wide measure range, could measure gas accurately (gas mass flow meter).
Transmitter can be exchanged, and will not be influenced by area temperature.

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Annubar Flow Meter for Diesel Fuel

Honeycomb hexagonal stable structure,increasing the range ratio.
Suitable for square or rectangular pipes.
For the unavoidable clogging problem of similar products in measuring dirty media, achieve non-stop production maintenance.
Average speed tube + three valve group + temperature pressure compensation + transmitter, form an integrated structure, easy to use.
No flow coefficient drift, long-term stability.
Exclusively provide intuitive resonance check to ensure long-term stable operation.
Low pressure loss, low energy consumption, significant energy saving effect.
Easy to install and save labor, low price and fast delivery (1 week)

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Orifice Flow Meter for Diesel Fuel

The Orifice meter is very cheap as compared to other types of flow meters.
Less space is required to Install and hence ideal for space-constrained applications
The operational response can be designed with perfection.
Installation direction possibilities: Vertical / Horizontal / Inclined.

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Venturi Flow Meter for Diesel Fuel

Less head loss than an orifice or nozzle meter, due to the streamlined design
Ideal for clear gas, liquid or steam applications
Available in many materials and end arrangements
Can be equipped with fittings to accept secondary instrumentation packages

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Diesel Fuel Flow Meters Applications

Diesel, bio-diesel, kerosene, gasoline.

Petroleum, organic liquid, inorganic liquid.

Liquefied gas, natural gas, coal gas.

Oil, DEF, heating oil, grease and certain chemicals, low temperature fluid flow measurement.

Extended reading: More Inline Digital Diesel Fuel Flow Meters

Fuel flowmeter refers to the flowmeter used to measure the flow rate of fuel. Commonly referred to as turbine flow meters and oval gear flow meters.

A flow meter is used to measure the quantity of fluid that has been moved during the transfer process. They have a visual display, which can be either mechanical or digital, for the user to read off the measurement. Flow meters are used within a variety of fluid transfer applications. And therefore whilst they are always used to measure the fluid, the ways in which they work are slightly different.
Of course, the fuel flow meter also has some characteristics of its own, such as:
Explosion proof
Pulse output
Unaffected by changes in fluid density, viscosity, temperature, pressure, and conductivity.

If you need more accurate measurement, you can choose a mass flow meter. Coriolis mass flowmeters have zero drift but the impact is relatively small. Higher operating costs. Mass flow meters can measure temperature and density online. Oval gears are relatively stable for mechanical flow meters.

Turbine Flow Meters are the most widely used diesel fuel flow meters. Measure your diesel fuel or oil consumption with our fuel flow meter.

Diesel Flow Meter Working Principle

The working principle of the turbine flow meter:

Fluid flows through the sensor housing.Because the blade of the impeller has a certain angle with the flow direction, the impulse of the fluid causes the blade to have a rotating moment.

Blades rotate after overcoming frictional torque and fluid resistance.After the torque is balanced, the speed is stable.Under certain conditions, the speed is directly proportional to the flow rate.

Because the blade is magnetically permeable, it is in the magnetic field of a signal detector (made of permanent magnetic steel and coils).

The rotating blade cuts the magnetic field lines and periodically changes the magnetic flux of the coil.

Thereby, an electric pulse signal is induced at both ends of the coil.This signal is amplified and shaped by the amplifier to form a continuous rectangular pulse wave with a certain amplitude.

Remotely transmitted to the display instrument, show the instantaneous flow rate and cumulative amount of the fluid.In a certain flow range, the pulse frequency f is proportional to the instantaneous flow Q of the fluid flowing through the sensor.

In addition to supplying diesel flowmeters, Sino-Inst also supplies various diesel level sensors.

A flow meter is an instrument that indicates the flow rate to be measured and/or the total amount of fluid in a selected time interval. Simply put, it is a meter used to measure the flow of fluid in a pipe or open channel.

Flowmeters are devices that measure the rate of liquid, gas or vapor that passes through them.

Some flowmeters measure flow as the amount of fluid passing through the flowmeter during a time period (such as 100 liters per minute).

Other flowmeters measure the totalized amount of fluid that has passed through the flowmeter (such as 100 liters).

Flow measurement can be described by :
Q = A x v

Q is flow rate, A is the crosssectional area of the pipe, and v is the average fluid velocity in the pipe.

Putting this equation into action, the flow of a fluid traveling at an average velocity of a 1 meter per second, through a pipe with a 1 square meter cross-sectional area is 1 cubic meter per second.

Note that Q is a volume per unit time, so Q is commonly denoted as the “volumetric” flow rate.

Now consider the following equation:
W = rho x Q

Where W is flow rate (again – read on), and rho is the fluid density.

Putting this equation into action, the flow rate will be 1 kilogram per second, when 1 cubic meter per second of a fluid with a density of 1 kilogram per cubic meter is flowing.

(The same can be done for the commonly-used “pounds”. Without getting into details — a pound is assumed to be a mass unit.)

Note that W is a mass per unit time, so W is commonly denoted as the “mass” flow rate.

Now — which flow do you want to measure? Not sure? In some applications, measuring the volumetric flow is the thing to do.

Consider filling a tank.

Volumetric flow may be of interest to avoid overflowing a tank, where liquids of differing densities can be added.

(Then again, a level transmitter and high level switch/shutoff may obviate the need for a flowmeter.)

Consider controlling fluid flow into a process that can only accept a limited volume per unit time.

Volumetric flow measurement would seem applicable.

In other processes, mass flow is important.

Consider chemical reactions,where it is desirable to react substances A, B and C.

Of interest is the number of molecules present (its mass), not its volume.

Similarly, when buying and selling products (custody transfer) the mass is important, not its volume.

Flow Meters Pulse Output

The signal output by the flowmeter is generally a pulse signal or a 4-20mA current signal. Both types of signals output instantaneous flow (also used by relays to output cumulative signals. The principle is the same, and will not be repeated).

Our purpose is to PLC Calculate and display the instantaneous flow value and calculate the cumulative value. When the input signal is a pulse signal. When calculating the instantaneous flow rate, you must follow a strict time interval to ensure the accuracy of the instantaneous flow rate.

So, when calculating the instantaneous flow rate, This must be done using timed interrupts. Moreover, only one interrupt program can be run in a PLC system. No other interrupts are allowed (even low priority interrupts are not allowed to run).

Prevents interference with the accuracy of timed intervals. Calculating the instantaneous flow rate is to convert the accumulated pulse number of this time period into the accumulated flow rate. Divided by time is the instantaneous flow.

For the 4-20mA input, the instantaneous flow rate can be directly obtained by simply converting according to its corresponding range. The cumulative flow is the cumulative flow accumulated in each time period is the cumulative flow.

Flow meters with a pulse output essentially use pulses per litre to measure the amount of fluid being dispensed. And then send a signal to an external piece of equipment to tell them this information.

A fuel pulse meter for example is often connected to a remote display or a fuel management system.

Our range of fuel pulse meters include models suitable for different fluids and are compatible with pumps with differing flow rates. Ensure that when selecting your meter, its flow range meets your pump’s flow capabilities.

Of course, in addition to measuring Diesel Fuel flow meters. Other flow meters can also output pulses or 4-20mA signals.

For example, if you need to measure the waste water flow of a 2-inch pipe, then you can refer to: Magnetic Flow Meters Guides.

How much is a 2 inch water flow meter? Let’s find out.

Fuel Flow Meters for Diesel Engine Fuel Consumption

For generators, boats, trains to hydraulic packs applications. Diesel engines are becoming increasingly popular.

Fuel consumption and efficiency are generally not monitored in Diesel Engines. And the unit’s performance has to be gauged from the manufacturer’s test figures and often never checked again.

With increases in fuel prices, the possibility of theft from remote installations along with many other factors. So the monitoring the fuel consumption of diesel engines has become increasingly important with the transport industries in particular taking a lot more interest in their vehicles fuel consumption.

This chart approximates the fuel consumption of a diesel generator. Based on the size of the generator and the load at which the generator is operating at. Please note that this table is intended to be used as an estimate of how much fuel a generator uses during operation. And is not an exact representation due to various factors that can increase or decrease the amount of fuel consumed.

Extended reading: Fuel Flow Meter for Boat-Selection & Application

Ddiesel engine fuel consumption chart

Generator Size (kW)	20	30	40	60	75	100	125	135	150	175	200	230	250	300	350	400	500	600	750	1000	1250	1500	1750	2000	2250
1/4 Load (gal/hr)	0.6	1.3	1.6	1.8	2.4	2.6	3.1	3.3	3.6	4.1	4.7	5.3	5.7	6.8	7.9	8.9	11	13.2	16.3	21.6	26.9	32.2	37.5	42.8	48.1
1/2 Load (gal/hr)	0.9	1.8	2.3	2.9	3.4	4.1	5	5.4	5.9	6.8	7.7	8.8	9.5	11.3	13.1	14.9	18.5	22	27.4	36.4	45.3	54.3	63.2	72.2	81.1
3/4 Load (gal/hr)	1.3	2.4	3.2	3.8	4.6	5.8	7.1	7.6	8.4	9.7	11	12.5	13.6	16.1	18.7	21.3	26.4	31.5	39.3	52.1	65	77.8	90.7	103.5	116.4
Full Load (gal/hr)	1.6	2.9	4	4.8	6.1	7.4	9.1	9.8	10.9	12.7	14.4	16.6	18	21.5	25.1	28.6	35.7	42.8	53.4	71.1	88.8	106.5	124.2	141.9	159.6

Learn more about Diesel fuel tank level gauges & Indicators

Fuel flow meter aircraft

A fuel flowmeter for plane indicates an engine’s fuel use in real time. This can be useful to the pilot for ascertaining engine performance and for flight planning calculations.

The types of fuel flow meter used on an aircraft depends primarily on the powerplant being used and the associated fuel system. Not every plane or associated system uses the same kind of flow meter to get the job done.

In most cases, many flow meters perform tasks related to maintaining a single plane. Some of the more common flow meters in use include:

Open Channel Flow Meters
Mass Flow Meters
Turbine Flow Meters
Positive Displacement Flow Meters
Variable Area Flow Meters
Velocity Flow Meters

A mass flow fuel flow indicating system used on turbine-engine aircraft uses the direct relationship between viscosity and mass to display fuel flow in pounds per hour
A turbine flow transducer in this fuel flow sensor produces a current pulse signal from an opto-electronic pickup with a preamplifier
A transducer and microprocessor for control functions are located in the base of this turbine fuel flow sensor. The gauge is menu driven with numerous display options

https://www.aircraftsystemstech.com/2017/06/fuel-system-indicators.html

Every flow meter must be properly maintained and calibrated. All flow meters become inaccurate over time through regular use. Regular re-calibrations and general standards to ensure proper operation.

Flow meters designed for the aviation industry are made of the highest quality materials and to specific industry standards. That way, everyone working in the industry and flying the skies can be in the safest environment possible at all times.

Extended Reading: Fuel Flow Meters for Diesel-Marine fuel-Industrial oil

Marine diesel fuel flow meter

Insatech Marine Performance Concept
https://www.insatechmarine.com/products/performance/fuel-consumption-system

How much fuel is consumed onboard a ship, is directly related to the performance. The better the performance, the lower the fuel consumption during operation. In this equation, accuracy is not negligible.
An offset of 1% in measurement on a vessel operating 200 days a year consuming an average of 100 tons a day equals an offset of 200 tons a year. Depending on the price of HFO or MGO used, this misread has the potential to range up to USD 100,000.
The Coriolis Mass Flow Meters used in our Fuel Consumption System has an accuracy better than 0,2% of nominal flow directly measured in mass. Whereas most volumetric flow meters are in the range 0,5% to 2,0%. And they rely on volumetric conversion which depends on the temperature to calculate a mass flow.
By installing one or more mass flow meters (depending on engine supply line layout and desired insight) fuel consumption can be monitored closely in real-time.
The main principle is to measure the flow of fuel before and after the engine and/or generators. When you compare the consumption data with measurements of actual speed and position (based on speed log and GPS signals). You are able to directly measure the fuel efficiency.
If you require more detailed readings, for example, one set of meters per consumer or one set for the ship’s entire consumption. Additional flow meters can be installed.

More Technical Supprots

Fuel Flow Meters for Diesel-Marine fuel-Industrial oil

What is a fuel flow meter? Fuel flow meter is an instrument that can monitor fuel flow. Industrail Fuel is an important energy source. For example, diesel, marine fuel, gasoline, etc.

Industrail Fuel is an important energy source for production and manufacturing. For example, diesel, marine fuel, gasoline, etc. It is very necessary to accurately measure industrial fuel. Commonly used industrial fuel flow meters, such as turbine flow meters, gear flow meters, mass flow meters, ultrasonic flow meters, etc.

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Sino-Instrument offers Popular fuel flow sensor of Good Quality and at Affordable Prices

If you are interested in fuel flow sensor, Sino-Instrument has over 100 flow meters related, so you can compare and shop! Try finding the one that is right for you by choosing the price range, applications, or specifications that meet your needs. You will find a high quality fuel flow sensor at an affordable price from Sino-Instrument.

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KimGuo11

drurylandetheatre.com

Industrial Inline Air Flow Meters

Posted on December 10, 2019 by KimGuo11

What is air flow meter?

An Air Flow Meter is the flow meter that measures industrial air velocity. Most of the time, people talk about air flow meters means compressed air flow meters. We are discussing here all air flow meters, including compressed air flow meters.

RFQ More Flow Meters

Compressed Air Flow Meter, is the digital flow meter work for the air compressor. Air consumption is important info for industrial inline gas flow pipes. According to the measurement conditions, a compressed air flow meter could be of different types. Thermal mass flow meters, Ultrasonic flow meters, vortex flow meters, Turbine flow meters. And the differential pressure flow meters (Orifice plate ) are also suitable for compressed air. With the Pressure and Temperature compensation. Sino-Inst’s compressed air flow meters are more affordable and complete.

There are many types of instruments that can be used to measure air. However, there are not many types of airflow actually used in the field according to their principles. The most important ones are rotameter, throttling differential pressure flowmeter, vortex flowmeter, gas turbine flowmeter, and averaging velocity tube flowmeter.

Extended Reading: Digital air flow meters

Featured Inline Air Flow Meters

**Rotameter flow meter-Variable Area Flow Meters**

Air flow meters types

The Carmen vortex refers to the placement of a cylindrical or triangular object in the fluid. Two rows of vortices with opposite rotation directions will be generated downstream of this object.

More about Types Of Air Flow Measurement Instruments.

An ultrasonic transmitting probe and a receiving probe are oppositely installed on both sides of the downstream pipeline of the Carmen vortex generator. Due to the influence of the Carmen vortex on the air density, the time from the transmitting probe to the receiving probe of the ultrasonic wave becomes later than that of the non-vortex and a phase difference occurs. By processing this phase signal, a vortex pulse signal can be obtained.

The working principle of the hot film type air flow meter is similar to that of the hot wire type air flow meter, and they all work with Wheatstone bridge. The difference is that the hot film type does not use platinum wire as a hot wire. But uses a thick film process to make the hot wire resistance, compensation resistance, and bridge resistance on the same ceramic substrate.

In the process of generating the Carmen vortex, the air pressure on both sides of the vortex generator will change. The pressure acts on the metal foil through the pilot hole, causing it to vibrate. When light from a light-emitting diode strikes a vibrating metal foil. The reflected light on the metal foil received by the phototransistor is vortex-modulated light. And its output is demodulated to obtain a frequency signal representing the air flow.

When no air flows, the bridge is in equilibrium. The control circuit outputs a certain heating current to the hot wire resistance RH. When there is air flowing, the heat of RH is absorbed by the air and becomes cold. Its resistance value changes. The bridge loses Balance. If the temperature difference between the hot wire resistance and the intake air is kept constant and constant, the current IH flowing through the hot wire resistance must be increased. Therefore, the hot-wire current IH is a function of the mass air flow.

The vane type air flow meter has a simple structure and high reliability. Yet, it has a large volume, large intake resistance and slow response.

Read more about: Beginner’s Guide: Variable area flow meter

Inline air flow meter cfm-scfm-lpm

Inline air flow meter cfm

CFM is a common imperial flow unit, cubic feet per minute.
For a certain volume of air flow passing in a unit time, m3/h air volume unit is generally used in China. Other countries also use the British air volume unit cfm (cubic foot per minute). That is ft3/min cubic feet/minute,
1CFM=28.316846592 L/MIN=0.028316847 m3/min

CFM traffic is divided into SCFM and ACFM.

Inline air flow meter scfm

SCFM English standard cubic foot per minute means standard cubic foot per minute, British flow unit. Both ACFM & SCFM are units of measurement for English flow
ACFM=actual flow rate ft^3/min

SCFM=standard flow rate ft^3/min

Convert
1 cubic meter = 35.314724827664 cubic feet
1Nm^3/min=35.315 SCFM
1 liter/minute=0.03531SCFM
1 liter=0.03531SCFM

Inline air flow meter lpm

LPM is liter/minute.

Read more about Inline air flow meter units conversion

Air flow meter price

The price of AIR flow meters are decided by flollowing factors:

Pipe diameter;
Flow range;
Measured medium;
Whether it is corrosive;
Whether explosion protection is required;
Whether it needs local display;
Connection method;
Measure pressure;
Measure temperature;
Signal output;
Accuracy requirements;
Material requirements;

Extended reading: Gas Rotameter Tips

Important factors when selecting flow metering devices are

accuracy
cost
legal constraints
flow rate range
head loss
operating requirements
maintenance
lifetime

These factors are more or less related to each other. Example – the cost of flow meters increases with accuracy and lifetime quality.

FAQ

What is an air flow meter called?

An airflow meter is a device that converts the inhaled airflow into electrical signals. Airflow meter is also often called gas flow meter, air mass flow meter, compressed air flow meter, etc.
Know more about Air flow meter From Wikipedia.

Sino-Instrument offers over 50 flow meter for flow measurement.

About 50% of these are differential pressure flow meters, 40% are the liquid flow sensor, and 20% are Ultrasonic Level Transmitter and mass flow meter.

A wide variety of flow meters options are available to you, such as free samples, paid samples.

Sino-Instrument is a globally recognized supplier and manufacturer of flow measurement instrumentation, located in China.

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KimGuo11

drurylandetheatre.com

Turbine type Flow Meter

Posted on December 9, 2019 by KimGuo11

Turbine type flow meter is a Volume flowmeter. Turbine flow meters use the mechanical energy of the liquid or gas to rotate a rotor in the flow stream. The rotational speed of the rotor is proportional to the velocity of the fluid. In multiple industries, Turbine meters are used to measure the velocity of a variety of liquids, gases and vapors.

Turbine flow meter is the most popular equipment to measure flow electronically. Offer a wide flow and application rangeability. Turbine Flow Meters are easy to maintain, durable and versatile.

Choose a flow meter

What is a turbine flow meter?

A turbine flowmeter is a flowmeter that uses a turbine for measurement. It first converts the flow rate to the speed of the turbine. And then converts the speed into an electrical signal that is proportional to the flow. Turbine flow meter is used to detect the instantaneous flow and the total accumulated flow. And its output signal is frequency, which is easy to digitize.

Turbine flow meter advantages and disadvantages

Turbine Meter Advantages

The cost is moderate.
Very good at clean, low viscosity fluids of moderate velocity and a steady rate.
Turndown is very good as it can read very low compared to the greatest flow.
They are reliable if put in a clean fluid especially if it has some lubricity.
AGA and API approved for custody transfers.
They do cause some pressure drop where that may be a factor such as gravity flows.
High accuracy. Among all flowmeters, it is the most accurate flowmeter.
No zero drift, good anti-interference ability.
High accuracy. Among all flowmeters, it is the most accurate flowmeter.
No zero drift, good anti-interference ability.

Turbine Meter Disadvantages

Not reliable for steam.
Bearings wear out.
Requires constant backpressure to prevent cavitation.
Accuracy adversely affected by bubbles in liquids.
Turbine meters can be used with clean liquids and gases only (may need to install a strainer upstream to prevent damage from particulates).
Not applicable for measuring corrosive fluids.
May not function properly with high viscosity fluids where the flow profile is laminar.
Cannot maintain calibration characteristics for a long time.

Turbine flow meter principle

Turbine meters are simple to operate and maintain. Turbine type flow meter is a reliable, cost-effective method for accurate flow measurement. Turbine flow meters are designed to maximize throughout and minimize pressure drop. Turbine meters can maintain high flow rates over an extended flow range and offer pulse output linear to the flow rate. The turbine meters also minimize fluid measurement uncertainty. By delivering high-frequency pulse resolution to account for minute increments of the flow rate.

A turbine flow meter is constructed with rotor and blades. Turbine meters use the mechanical energy of the fluid to rotate the rotor in the flow stream. The turbine, installed in the fluid pipeline, is supported by bearings at both ends. When the fluid passes through the turbine, the fluid impacts the turbine blades and drives the turbine blades to rotate. The sensor of the turbine flowmeter measures the flow rate through the angular velocity of the turbine blades. The method used by the turbine flowmeter is that the angular velocity of the blade is proportional to the fluid velocity.

Turbine flow meter’s angular velocity is detected by a sensing coil mounted on the casing. Turbine blades cut magnetic field lines generated by permanent magnetic steel in the casing. Changes in the magnetic flux of the sensing coil. The sensing coil sends the detected periodic change signal of the magnetic flux to the amplifier of the measuring instrument. The amplifier amplifies and shapes the signal.At the same time, the pulse signal is sent to the frequency current conversion circuit. Convert the pulse signal into an analog current amount, which then indicates the instant Flow value.

Extended reading: Turbine Flow Meter Specification

A flow transmitter processes the pulse signal to determine the flow of the fluid. Flow transmitter and sensing systems are available to sense flow in both the forward and reverse flow directions.

Turbine flow meter Equation

In a certain flow range, the pulse frequency f is proportional to the instantaneous flow rate Q of the fluid flowing through the sensor.

The flow equation is:

Q = 3600 × f / k

In the formula:

f——pulse frequency [Hz];

k——meter coefficient [1 / m] of the sensor, given by the checklist. If [1 / L] is the unit

Q = 3.6 × f / kQ——the instantaneous flow of the fluid (in the working state) [m3 / h];

3600-conversion factor.

The instrument coefficient of each sensor is filled in the verification certificate by the manufacturer. The value of k is set in the matching display instrument, and the instantaneous flow and cumulative total can be displayed.

Extended reading: Quantitative control with turbine flowmeter

What is K factor in turbine flow meter?

The turbine meter measures volumetric flow, however the pulses produced vary depending on the meter. The variation is accounted for by a K-factor. The K-factor is the number of pulses per unit volume.

Simply stated a K-factor is a dividing factor. The term is usually encountered. When dealing with pulse signals although analog K-factors are sometimes used.

How do you calculate K factor for a turbine flow meter?

The frequency of the output pulse is proportional to the flow through the flowmeter, and its proportionality factor K is:

K = f / qv

Where:

f–the output pulse frequency of the turbine flowmeter;

qv–flow through the flowmeter.

This proportionality factor K is also called the meter factor of the turbine flowmeter.

Gas turbine flow meter

Gas Turbine Flow Meter, is the flange type turbine flow meter. Turbine flow meter is the most popular equipment to measure flow electronically. They offer a wide flow and application rangeability.

Sino-Instrument’s GAS Turbine Flow Meter, is perfect choice for natural gas flow rate measurement. Turbine flow meters are suitable for gas and liquid measurement. They offer a wide flow and application rangeability. Turbine Flow Meters are easy to installation, maintain, durable and versatile.

Turbine water flow meter

Liquid Turbine Flow, is the turbine flow meter that suitable for liquid flow rate measurement. Like water flow, Diesel flow. Turbine flow meter is the most popular equipment to measure flow electronically. They offer a wide flow and application rangeability. Turbine Flow Meters are easy to maintain, durable and versatile.

Full bore turbine flow meters are suitable for hot and cold water applications. The impeller which is of modern design, rotates on stainless spindles mounted in the measuring chamber. The impeller is made of self-cleaning synthetic resin. The helix aligns with the pipe axis. The complete metering unit is easily removable from the meter body. And is designed to ensure high flow-rate with the smallest headloss. Versions for warm water up to 90Â°C and telemetering (complete with a pulse output) are also available.

Low flow turbine flow meter

The small Diameter (small flow) liquid turbine flow meter, is a precision flow measuring instrument,that can be used to measure the flow and total volume of liquids. The structure is explosion-proof and can show the total flow, instantaneous flow and percentage of flow fullness. It is widely used in measurement and control systems in petroleum, chemical, metallurgical, scientific research and other fields. Sensors equipped with sanitary fittings can be used in the pharmaceutical industry.

Turbine flow meter price

Sino-Inst is a Turbine flow meter manufacturer, China. Sino-Inst offers over 10 turbine flow meter products. A wide variety of turbine flow meter options are available to you, such as free samples, paid samples. The price of turbine flow meters are decided by flollowing factors:

Pipe diameter;
Flow range;
Measured medium;
Whether it is corrosive;
Whether explosion protection is required;
Whether it needs local display;
Connection method;
Measure pressure;
Measure temperature;
Signal output;
Accuracy requirements;
Material requirements;

For example, Model DN15 Turbine flow meter’s price is around USD 140.00/pc.

More about: Best Price Turbine Flow Meters From Reliable Manufacturer

Electromagnetic flow meter

A Magnetic flow meter, also called electromagnetic flow meter, mag flow meter, or magmeters. A magnetic flow meter is a volumetric flow meter that works with principle of magnetic technology. Magnetic flow meters do not have any moving parts. An electromagnetic flowmeter consists of two parts: Electrode (sensor) and Transmitter. Installation types of magmeters could be: Compact, remote, insertion.

Magnetic flow meter is ideal for wastewater applications or any dirty liquid which is conductive or water based. Magnetic flow meters are also ideal for applications where low-pressure drop and low maintenance required. A range of liner materials, electrode options, and line sizes accommodate a wide variety of process application.

Extended reading: Industrial Magmeters

How does an electromagnetic flow meter work?

Magnetic flow meters use a magnetic field to generate and channel liquid flow through a pipe.
A voltage signal is created, when a conductive liquid flows through the flowmeter’s magnetic field.
The faster the flow of the fluid, the greater the voltage signal generated.
Electrode sensors located on the flow tube walls pick up the voltage signal. And send it to the electronic transmitter, which processes the signal to determine liquid flow.

More about Magnetic flow meter.

What is Flow Transmitter working principle?

Flow Metering Principles

From the measurement principle, the flowmeter can be divided into Volumetric flowmeters and Mass flwo meters.

VOLUMETRIC FLOWMETERS:

Differential Head type
- Orifice plates
- Venturi meters
- Annubar
Differential Area type (Rotameters)
Electromagnetic flowmeters
Ultrasonic flowmeters
Turbine flowmeters
Vortex flowmeters
Positive Displacement Meters

MASS FLOWMETERS:

Coriolis Mass flowmeter
Thermal Mass flowmeters

For different working principle, We offer different types of flow meters, like:

How does a pulse flow meter work?

The frequency signal is converted into a digital signal for display. This is called a pulse flow meter. The pulse is the output signal of the flow meter. It is a pulse output. Now the standard output of most flow meters is 4-20MA, which can also be made into a pulse output.

Turbine flowmeters use the mechanical energy of the fluid to rotate a “pinwheel” (rotor) in the flow stream. Blades on the rotor are angled to transform energy from the flow stream into rotational energy. The rotor shaft spins on bearings. When the fluid moves faster, the rotor spins proportionally faster. Turbine flowmeters now constitute 7% of the world market.

Shaft rotation can be sensed mechanically or by detecting the movement of the blades. Blade movement is often detected magnetically, with each blade or embedded piece of metal generating a pulse. Turbine flowmeter sensors are typically located external to the flowing stream to avoid material of construction constraints that would result if wetted sensors were used. When the fluid moves faster, more pulses are generated. The transmitter processes the pulse signal to determine the flow of the fluid. Transmitters and sensing systems are available to sense flow in both the forward and reverse flow directions.

Where are flow meters used?

Where are flow meters used? Or, What does a flow meter measure?

At industrial sites, meters that measure fluid flow are referred to as flow meters or flow sensors.

It is one of the most important instruments in industrial measurement.

With the development of industry, the accuracy and range of flow measurement requirements are getting higher and higher.

In order to adapt to various purposes, various types of flowmeters have been successively launched,

widely used in oil and gas, petrochemical, water treatment, food and beverage.

Industries such as pharmaceuticals, energy, metallurgy, pulp and paper, and building materials.

Measurement of gas mass flow in industrial pipelines
Smoke flow rate measurement from the chimney
Calciner flue gas flow measurement
Air flow measurement during gas process
Compressed air flow measurement
Gas flow measurement during semiconductor chip manufacturing process
Gas flow measurement in sewage treatment
Gas flow measurement in heating ventilation and air conditioning systems
Flux recovery system gas flow measurement
Measurement of combustion gas flow in a combustion boiler
Gas flow measurement of natural gas, flare gas, hydrogen, etc.
Measurement of carbon dioxide gas flow during beer production
Measurement of gas mass flow in the production process of cement, cigarette and glass factory
Open channel

Sino-Instrument offers over 50 flow meter for flow measurement.

About 50% of these are differential pressure flow meters, 40% is the liquid flow sensor, and 20% are Ultrasonic Level Transmitter and mass flow meter.

A wide variety of flow meters options are available to you, such as free samples, paid samples.

Sino-Instrument is a globally recognized supplier and manufacturer of flow measurement instrumentation, located in China.

Request a Quote

Please enable JavaScript in your browser to submit the form

KimGuo11

drurylandetheatre.com

Slurry & Solids Flow Meters

Posted on November 28, 2019 by KimGuo11

Flow measurement of Slurry and Solids is one of the most challenging applicaiton for magmeters. In wide industrial slurry pipelines, Magnetic Flow meters are ideal choice. Mag flow meters are ideal for any dirty liquid which is conductive or water based. Some types Ultrasonic flow meters can also measure flow rate of slurry, but the cost is too high. So, if you need to measure the flow of slurry or solids, We recommend using an electromagnetic flowmeter.

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Specifications of Slurry Flow Meter

Measurement medium: mud, pulp, cement slurry
Product classification: compact type slurry flow meter, Remote type slurry flow meter
Measurement error: ± 1.0% or ± 0.5%
Dielectric conductivity:> 5μs / cm
Measurable velocity range: 0.1m / s — 15m / s
Measurement ratio: 1: 150 (If necessary, you can customize a wider range ratio)
Power supply: DC24V or AC220V
Signal output: pulse signal or 4-20mA current signal
Communication interface: support 485 communication
Communication protocol: MODBUS, HART, Profibus, etc.
Normal working environment temperature: -25 ℃ —— + 60 ℃
Measurable medium temperature: -20 ℃ —— + 60 ℃
Flow direction: forward, normal, net flow
Rated working pressure:
- DN10 — DN150 ≤1.6Mpa (high pressure can be customized)
- DN200 — DN350 ≤1.0Mpa (high pressure can be customized)
- DN400 — DN1000 ≤0.6Mpa (high voltage can be customized)
DN1100 — DN2200 ≤0.25Mpa (high voltage can be customized)
Connection method: flange connection
Requirement for straight pipe section: front straight pipe section ≥5DN, rear straight pipe section ≥2DN
Explosion-proof grade: Exd [ia] qIICT5
Protection level: IP65, optional IP68

Benefits of Magnetic flow meter for slurry

SELF CHECKING
BIDIRECTIONAL MEASUREMENT
NO PRESSURE LOSS
NO MOVING PARTS
Stable and reliable process control in noisy and slurry applications maximize the productivity.
Longer life-time by robust design
Minimal downtime and maintenance work.

**Magnetic Battery Operated Flow Meter**

Working Principle of Slurry Flow Meters

Different types and designs of flow meter are available. Choose the best one depends on the application and the type of liquid being measured. Electro-magnetic meters are typically used for slurry and corrosive liquids. Because magnetic flow meters are able to measure these substances accurately.

Keeping accurate records is essential. Because we need to know exactly how much slurry has been spread in every field, and to demonstrate full regulatory compliance. Today’s modern slurry flow meter designs can help to achieve this.

More about: Sewage Flow Meter Selection

What is the principle of magnetic flow meter? – Faraday’s Formula

Faraday’s Formula
E is proportional to V x B x D where:

E = The voltage generated in a conductor
V = The velocity of the conductor
B = The magnetic field strength
D = The length of the conductor

To apply this principle to flow measurement with a magnetic flow meter. First is to state that the fluid being measured must be electrically conductive for the Faraday principle to apply.As applied to the design of magnetic flow meters, Faraday’s Law indicates that:the signal voltage (E) is dependent on V, B, D.V is the average liquid velocity ;B is the magnetic field strength ;D is the length of the conductor ( which in this instance is the distance between the electrodes).

Guess you like to know more about: Magnetic flow meter working principle and types

Why do you need a slurry flow meter?

When spreading any type of slurry or digestate, accuracy is essential. This means it is important to monitor the spreading process with a slurry flow meter. So that you can be sure of consistent application across the area which is being treated.

At the same time as ensuring that enough slurry is applied, however, it is equally vital not to use more than is needed. This is important for several reasons. One is that over-application is a waste of valuable slurry resources, meaning you spend more than is necessary. Slurry is one of the most cost-effective ways of fertilising agricultural land. But only the application carried out properly..

Spreading too much slurry can also lead to a number of pollution issues. Which could risk failing to comply with legal regulations. Especially if it involves contamination of soil or water courses.

Challenges for Slurry Flow Meter

Flow meters designed for slurries depend on several factors:

The flow velocity and profile. A balance of keeping solids moving, but not too fast.
The amount of solids in the carrier fluid.
The solids properties in the carrier fluid. They vary in many qualities including shape and size.
Chemical composition of the fluid. Liners for corrosive fluids.
Solid Abrasiveness. Rough solids cause system noise that interferes with the measurement. Abrasiveness liners can be used if needed.
Heavy slurry noise may affect on the measurement accuracy and stability
Shorter replacement cycle because of the mechanical damage caused by slurry.
High density red-mud covered on the electrodes requires frequent maintenance for the cleaning.

Sino-Instrument’s solutions for Slurry and Solids flow

Looking for a meter to monitor slurry spreading? Sino-Instrument offers high-quality magnetic flow meters which complies with many official standards. It is known for being highly reliable and durable, needing little maintenance to keep it in good working order. The magnetic flow meter is used in the waste water industry and other sectors as well as for slurry, which is a testament to its quality.
To monitor slurry application, the magnetic flow meter can be easily installed within the pipeline, positioned either near to the pump or on the applicator. It has strong liners which are resistant to slurry, and will measure the flow rate accurately, usually in m3 per hour.
Non-retained liners (extruded liner) are susceptible to failures as a result of vacuum conditions that can be created due to a pump or valve failure. Besides, meters that have extruded liners generally have a shorter life due to the aggressiveness of the chemicals used. Sino-Instrument uses an injected molded PFA liner with a retaining grid. This retaining grid plate, used to reinforce the PFA liner, acts like rebar in concrete. This rugged construction holds the liner in place and prevents the liner from caving in due to vacuum conditions. The thickness and durability of the injection molded PFA liner provides a flow tube that is capable of handling the most severe applications.

Extended reading: Radar level sensor for solids – Dust solid level measurement

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Sino-Instrument offers over 50 flow meter for flow measurement.

About 50% of these are differential pressure flow meters,

40% is the liquid flow sensor, and 20% are Ultrasonic Level Transmitter and mass flow meter.

A wide variety of flow meters options are available to you,such as free samples, paid samples.

Sino-Instrument is a globally recognized supplier and manufacturer of flow measurement instrumentation, located in China.

Request a Quote

Please enable JavaScript in your browser to submit the form

KimGuo11

drurylandetheatre.com

Electronic Flow Meters

Posted on November 23, 2019 by KimGuo11

Electronic flow meters are industrial digital flow meters for fluid flow rate measurement. In more cases, people will default that Electronic flow meters are electromagnetic flowmeters.

Electronic flow meters types like Magnetic, Vortex, and Ultrasonic flow meters. Electronic flow meters are suitable for Industrial liquid, water, natural gas, petrol, fuel, air, and more fluid flow. Electronic flow meters convert the monitored fluid flow into electronic signals. Including pulse signal, 4-20mA standard signal, etc.

Sino-Inst offers a variety of Electronic flow meters for flow measurement. If you have any questions, please contact our sales engineers.

Get a Quote More Flowmeters

Sino-Inst, the manufacturer of Electronic flow meters. We will answer your various questions about Electronic flow meters.

What is electronic flow meter?

A flow meter is a device used to measure the volume or mass of a gas or liquid. Flow meters are referred to by many names, such as flow gauge, flow indicator, liquid meter, flow rate sensor, flow rate meter, etc. depending on the particular industry.

Electronic flow meters are industrial digital flow meters for fluid flow rate measurement. Electronic flowmeters types like Magnetic, Vortex, and Ultrasonic flow meters.

While magnetic, vortex, and ultrasonic–are neither exclusively nor exhaustively electronic in nature. They do represent a logical grouping of flow measurement technologies.

All electronic flow meters have no moving parts, are non-intrusive, and are made by electronics technology.

Magnetic flowmeters are the most directly electrical in nature, deriving their first principles of operation from Faraday’s law. Vortex meters depend on piezoelectric sensors to detect vortices shed from a stationary shedder bar. And today’s ultrasonic flowmeters owe their successful application to sophisticated digital signal processing.

Featured Electronic Flow Meters

Electronic flow meter working principle

Simply put, the working principle of Electronic Flow Meters is to convert the flow rate of the measured fluid into an electronic signal through the flow sensor component. And can carry out flow rate display and signal output. For example, display instantaneous flow rate, cumulative flow, etc.

As you can see. There are many types of Electronic Flow Meters. Therefore, their accurate measurement principles are different.

Magnetic flow meters use a magnetic field to generate and channel liquid flow through a pipe.

A voltage signal is created, when a conductive liquid flows through the flowmeter’s magnetic field.

The faster the flow of the fluid, the greater the voltage signal generated.

Electrode sensors located on the flow tube walls pick up the voltage signal, and send it to the electronic transmitter, which processes the signal to determine liquid flow.

Let see the video about:

How to Measure Flow with Magnets – (Magnetic Flow Meters)

Video source: https://youtu.be/TR0baWuB6v4

Faraday’s Law

The operation of a magnetic flow meter or mag meter is based upon Faraday’s Law, which states that the voltage is induced across any conductor. As it moves at right angles through a magnetic field, is proportional to the velocity of that conductor.

Faraday’s Formula

E =V x B x D

E = The voltage generated in a conductor

V = The velocity of the conductor

B = The magnetic field strength

D = The length of the conductor

To apply this principle to flow measurement with a magnetic flow meter, it is necessary first to state that the fluid being measured, must be electrically conductive for the Faraday principle to apply.

As applied to the design of magnetic flow meters, Faraday’s Law indicates that signal voltage (E), is dependent on the average liquid velocity (V) the magnetic field strength (B). And the length of the conductor (D) (which in this instance is the distance between the electrodes).

In the case of wafer-style magnetic flow meters, a magnetic field is established throughout the entire cross-section of the flow tube.

If this magnetic field is considered as the measuring element of the magnetic flow meter, it can be seen that the measuring element is exposed to the hydraulic conditions, throughout the entire cross-section of the flow meter.

With insertion-style flow meters, the magnetic field radiates outward from the inserted probe.

Extended reading: Industrial Magmeters

Advantages of using Electromagnetic Flow Meters.

High precision and stability
Self-check
Two-way measurement
No pressure loss
No moving parts
May be for sanitary purposes
Large size available
Dirty liquid and mixed fructose are ok

Disadvantages of using Magnetic Flow Meters

Can not be used to measure gas, steam and liquids containing a lot of gas;
Cannot be used to measure liquid media with very low conductivity. The electromagnetic flowmeter cannot measure petroleum products or organic solvents and other media;
Cannot be used to measure high temperature media. At present, it is restricted by the lining material and electrical insulation material of the measuring tube of the electromagnetic flowmeter for general industry;
The electromagnetic flowmeter is easily affected by external electromagnetic interference.

Extended Reading: Petroleum Flow Meter

A vortex flow meter is a flow measurement device best suited for flow measurements, where the introduction of moving parts presents problems.

They are available in industrial grade, brass, or all-plastic construction. Sensitivity to variations in the process conditions is low, and no moving parts have relatively low wear compared to other types of flow meters.

Vortex flowmeters operate under the vortex shedding principle, where oscillating vortexes occur when a fluid such as water flow past a bluff (as opposed to a streamlined) body.

The frequency that the vortexes are shed depends on the size and shape of the body. It is ideal for applications where low maintenance costs are important.

Industrial size vortex meters are custom built and require appropriate sizing for specific applications.

The Vortex Shedding flow meter detects the vortices, that are created by a process medium going past a bluff body.

The frequency of these vortices can be equated to flow velocity, which, in turn, is used to calculate the volumetric flow rate.

The integral temperature sensor is used in saturated steam service, to determine the operating conditions and specific volume of the steam being measured.

The steam table incorporated into the electronics then calculates the flow of energy of the stream flowing through the meter.

The optional pressure sensor can be used for similar calculations, for gasses and superheated steam. Intelligent Signal Processing (ISP) provides stable readings, free of external influences.

Why Generally Choose 4-20ma Output?

Ultrasonic flowmeters use sound waves to determine the velocity of a fluid flowing in a pipe.

At no flow conditions, the frequencies of an ultrasonic wave transmitted into a pipe, and its reflections from the fluid are the same.

Under flowing conditions, the frequency of the reflected wave is different, due to the Doppler effect.

When the fluid moves faster, the frequency shift increases linearly. The transmitter processes signals from the transmitted wave, and its reflections to determine the flow rate.

Generally, an ultrasonic flow meter is a device, that uses ultrasound to measure the velocity of liquid flow. That helps in determining the volume of liquid flow also.

The ultrasonic flow meters are made using ultrasonic transducers, which are clamped to the external surface of a pipe, to generate the ultrasonic pulses through the pipe.

When the liquid flows inside the pipe, it creates the time difference in the pulses, and these are examined to calculate the accurate flow velocity of the liquid.

There are many advantages of using the ULTRASONIC flow meters which include:

The electronics in the ultrasonic flow meter includes ultrasonic flowmeter detector which compensates and adapts to the changes in the profile of the flow, type of the liquid and material of the pipe.
A portable ultrasonic flow meter converter can be used as a direct method to determine the flow rates effectively when compared to the other flow systems.
Ultrasonic flow meter converter is inexpensive to use and maintain when compared to the other mechanical flow meters as they are no moving parts in these flow meters.
Their design is highly sophisticated and they do not obstruct the liquid flow, so they can be used for sanitary, corrosive and abrasive liquids.

These are the advantages of the ultrasonic flow meters and there are many disadvantages of the Ultrasonic flow meter which include:

The main disadvantage of the ultrasonic flow meter is the cost. The cost of the flow meter is very high when compared to the other types of mechanical flow meters.
The ultrasonic flow meters are sophisticated when compared to the mechanical flow meters, so it needs experts to repair and maintain the flow meters.

These are the advantages and disadvantages of ultrasonic flow meters.

Fuel flow meters, also known as turbine flow meters, are the main types of speed flow meters. A freely rotatable impeller is installed in the fluid-flowing pipe. When the fluid passes, its motion can make the impeller rotate. The larger the fluid flow rate, the larger the kinetic energy, and the higher the impeller speed.

The fluid flow can be determined by measuring the number of revolutions or the number of revolutions of the impeller.

Extended Reading: Fuel Flow Meters for Diesel-Marine fuel-Industrial oil

Perhaps you are not clear about the principle of Electronic Flow Meters. Don’t want to know more about it. Just want to find the applicable Electronic Flow Meters. Then you can start from your measuring medium.

Electronic flow meter for water

A Digital Water flow meter is a flow meter that can display the water flow rate, and have the output for the flow rate. Like 4-20mA output, HART, RS 485, and so on. Digital Water Flow Meter is also called Electronic Water Flow Meter. Digital Water Flow Meter is widely used in industrial water and household water measurement. Most of the Sino-Inst flow meters are digital water flow meters. Like the electromagnetic flowmeter, Portable ultrasonic flow meter, Turbine flow meter…..

Electronic flow meter for air

Digital gas flow meters are flow meters used to monitor the gas flow rate or mass. Digital gas flow meters are designed to measure different types of gases. Like Air, N2, O2, CO2, and more.

Digital gas flow meters can measure the flow of a wide variety of gases. According to measurement principles, there can be positive displacement gas flow meters, velocity gas flow meters, and mass gas flow meters. How to choose the right Digital gas flow meters? We will discuss in detail next.

Read more Digital gas flow meters for Sale

Electronic flow meter for oil

**Extended reading: Featured Hydraulic Flow Meters For Sale**

Industrial oil flow meters measure the volume or mass of oil. Can realize the mutual conversion of volume and mass.

The main industrial oils are hydraulic oil. Gear Oil. Turbine oil. Compressor oil. Refrigeration oil. Transformer oil. Cylinder oil, heat treatment oil, heat transfer oil, etc. Of course, edible oil can also be produced in the industry. In addition, there are greases with lubricating oil as base oil and thickening agent.

Therefore, whether it is a company that uses, trades, or produces oil, it needs to accurately measure the oil flow.

There are many common oil flow meters, such as turbine flow meters, positive displacement flow meters, gear flow meters, mass flow meters, etc.

Then, we need to choose a suitable flow meter that meets the measurement and budget according to different working conditions.

What are the different types of flow meters?

Flowmeter types: Generally speaking, we will classify flow meters according to their working principles.

Flow Metering Principals

Differential Pressure Flowmeters
Velocity Flowmeters
Positive Displacement Flowmeters
Mass Flowmeters
For Open Channel Flowmeters – weirs, flumes, submerged orifices, current meters, acoustic flow meters and more

For different working principles, We offer different types of flow meters, like:

Differential Pressure Flow Meters
Orifice Plate
Venturi Tube
Flow Nozzles
The Sonic Nozzle – Critical (Choked) Flow Nozzle
Calorimetric Flowmeter
Ultrasonic Doppler Flowmeter
Positive Displacement Flowmeter
Variable Area Flowmeter or Rotameter
Velocity Flowmeters
Pitot Tubes
Electromagnetic Flowmeter
Turbine Flowmeter
Vortex Flow Meter
Thermal Flowmeter
Coriolis Flowmeter
Mass Flowmeters
Open Channel Flowmeters

Extended reading: Gas Rotameter Tips

How to choose your flowmeters?

Important factors when selecting flow metering devices are:

Measured medium
Accuracy
Cost
Flow rate range
Pperating requirements
Maintenance
Lifetime
Lead time

These factors are more or less related to each other. For example – the cost of flow meters increases with accuracy and lifetime quality. Read more about: What Is GPM In Flow Meter?

More about Electronic Flow Measurement Technology

Sino-Inst offers over 50 Electronic flow meters for flow measurement. About 50% of these are differential pressure flow meters, 40% is the liquid flow sensor, and 20% are Ultrasonic Level Transmitter and mass flow meters.

A wide variety of Electronic flow meters options are available to you, such as free samples, paid samples. Sino-Inst is a globally recognized supplier and manufacturer of flow measurement instrumentation, located in China.

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KimGuo11

drurylandetheatre.com

Compressed Air Flow Meter

Posted on November 12, 2019 by KimGuo11

Compressed Air Flow Meter, is the digital flow meter work for the air compressor. Air consumption is an important info for industrial inline gas flow pipe. According to the measurement conditions, compressed air flow meter could be different types. Thermal mass flow meters, Ultrasonic flow meters, Vortex flow meters, Turbine flow meters. And the differential pressure flow meters (Orifice plate ) are also suitable for compressed air. With the Pressure and Temperature compensation. Sino-Inst’s compressed air flow meters are more affordable and complete.

RFQ NOW

Featured Compressed Air Flow Meter

Compressed air flow meter working principle

There are a variety of measurement principles can be used to measure compresses gas.

Turbine gas meters are robust meters, used to measure gas consumption. In gas distribution, transmission, industrial plants and for commercial users. The meter tracks the flow rate continuously, offers little resistance to flow, and has a unique cartridge design that allows removal of all internal parts as one assembly.The meter also exhibits little sensitivity to gas density above two atmospheres pressure.The low inertia of the rotor and vee bearings, allows overhanging of the meter to twice its rated capacity, without damage for intermittent flow variations. Orifice plates and venturi tubes rely on detecting the differential pressure across a restriction in the pipe,and this pressure is directly proportional to the media velocity. Given knowledge of the pipe dimensions and media characteristics,a differential pressure instrument can give a reading directly in flow units. The accuracy of these systems are reliant on very fine tolerance machining of the orifice or venturi and the pressure drop incurred,through the installation of these devices may not suit all situations. These can be highly accurate and reliable but are expensive and complicated to install and maintain. Pitot tube systems work on a very similar principle and remove the issue of the pipe restriction,as there is only a small diameter tube inserted at right angles to the flow. These can be inserted through ball valves, making removal for service or calibration very simple. This method does not need perfectly dry and pure gases to be accurate,and is very tolerant of wet gases and contaminants which makes it ideal for measuring in difficult places. Such as compressor outlets. Vortex meters place a bluff restriction in the pipe,that causes vortices to form alternately on the 2 rear edges. Sensors are used to detect the formation of these vortices, the frequency of which is directly proportional to the flow rate. These instruments are accurate but again introduce a large restriction into the pipe,and are often employed on steam applications.

Extended Reading: Digital air flow meters

What about Thermal Mass?

Thermal mass meters and calorimetric flow sensors sense the cooling effect on a heated element,which is directly proportional to the mass flow rate rather than the volumetric flow rate. This removes the subsequent calculations needed to determine mass flow rate,using other methods of flow measurement, and there is no pressure or temperature compensation necessary.The actual sensing tips are small and thus the restriction placed,in the pipe produces very little back pressure, making this method ideal for very low and very high flow rates.Thermal mass meters are available in a range of accuracies and are ideal for dry, clean gas flow measurement. Some designs have all stainless steel wetted parts making them better suited to contaminated or corrosive gases,which would damage the exposed sensing elements of unprotected designs. They are not suitable for wet gases or steam. For those applications a pitot tube design or possibly a vortex meter would be the better choice. Thermal mass is also an excellent principle for use in flow switches,as there are no moving parts in the media and the sensor produces very little back pressure due to its minimal size. These flow switches are very sensitive and some models can be used to determine flow direction as well as flow/no flow.

Know More about Flow Meters

Gas mass flow meter

Gas mass flow meter, are the thermal mass flow meter, which is best choice for gas flow rate measurement. Based on the principle of thermal diffusion, Gas mass flow meter measure the flow rate of gas. Like: air flow, nitrogen, natural gas flow rate.

Digital water flow meters

Digital Water flow meter, means flow meter that can display water flow rate, and have the output for the flow rate. Like 4-20mA output, HART, RS 485, and so on.

Nitrogen flow meter

Nitrogen Flow Meter, is the flow meter that can measure the flow rate of nitrogen gas. Sino-Instrument is the nitrogen flow meter supplier in China. Vortex flow meter, is the common choice for gas flow rate inline measurement instrument. Like the air, nitrogen gas, steam, oxygen…..

Sino-Instrument is a well-known Exporter, Supplier,

Trader and Service Provider of Flow Measurement Instrument,

LEVEL METERS, PRESSURE TRANSMITTERS, AMR Solution, etc.

Our presented products are used in commercial places for various purposes.

These products are extremely admired in the market due to their reliable performance,

compact design, sturdy nature, easy to fit, longer operational life,

low maintenance, and low prices.

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KimGuo11

drurylandetheatre.com

In line Flow Meters

Posted on November 10, 2019 by KimGuo11

What is an inline flow meter?

In line flow meter is a flow meter with the function of displaying flow rate on-site. The sensor of the flow meter is installed on the fluid pipe. Digital display or pointer shows the flow rate on the spot.

In-line flowmeters could be digital and mechanical flow meters. Common in-line flowmeters include turbine flowmeters, electromagnetic flowmeters, and ultrasonic flowmeters. With stainless steel material, analog, and 4-20mA output, in-line flow meters can measure and control inline flow.

Features of In-line Flow Meters

Local LCD display flow rate.
Signal output: analog, 4-20mA, pulse, and so on.
Liquid, Gas pipe flow measurement.
Special materials can be selected depending on the working conditions.
Such as PTFE
Remote type is available.

After understanding what an Inline flow meter is, you may want to know which flow meter is the most suitable?

Choose the most suitable Inline flow meter

Different measurement situations require different inline flowmeters.

Simply put, we can consider the following aspects：

Installation form
Fluid medium
Measuring principle
Application

More flow meters

In line flow meter

In line flow meter is currently the mainstream measuring instrument in flow measurement.

In line flow meter is an in-situ display flow meter, also called integrated flow meter. The display head and sensor are integrated.

At present, all integrated flow meters belong to the In line flow meter. They all have in-situ display function. For example, the split-type flow meter does not have the in-situ display function, and its meter and sensor are connected by conduction.

What are the advantages of in line flow meter in the flow measurement process?

In some measurements with a control system, the advantage of In line flow meter is not great. Because the flow can be monitored through the PLC system.

In working conditions without a PLC system, In line flow meter can show its advantages. It can display cumulative flow and instantaneous flow online.

Remote flowmeter

Remote flowmeter is also called split flowmeter. Compared with the online flowmeter, the remote flowmeter means that the sensor and the display are installed separately.

For example, the flow sensor is installed in the underground water pipe, but for the convenience of viewing the data, the display is installed on the ground. The sensor and the display can be connected via a signal cable.

Extended reading: Totalizing flow meter water

Insertion flow meter

What is an insertion flow meter? An insertion flow meter is a flow meter installed in insertion mode. Make a small hole in the pipe under test, and then insert the probe part of the flowmeter into the pipe. easy installation. It is suitable for measuring the flow of large-diameter pipelines.

The insertion flow meter that has been promoted and used has various forms. According to the working principle of the insertion flow meter detection head, it can be divided into insertion turbine, insertion vortex, insertion electromagnetic, uniform velocity tube and thermal flow meter, etc.

Extended reading: Ultrasonic Insertion Flow Meter for Lined/Large Pipes

Clamp-on flow meter

Clamp-on flow meter only needs to paste the external clamp sensor on the surface of the pipe to complete the flow measurement of various liquids.

Currently, the Clamp-on flow meter is only an ultrasonic flow sensor. It does not need to cut off the pipe and flow, the installation is convenient and quick, and it truly realizes the lossless installation.

Extended Reading: Inline Ultrasonic Flow Meter

Inline water flow meter

Commonly used inline flow meters to measure water flow include electromagnetic, ultrasonic, turbine, etc.

Digital water flow meters|Water flow meter types

What is a fuel flow meter? The fuel flow meter is an instrument that can monitor fuel flow. Industrial Fuel is an important energy source. For example, diesel, marine fuel, gasoline, etc.

**Extended reading: What Is Hydraulic Flow Meter?**

Digital gas flow meters are flow meters used to monitor the gas flow rate or mass. Digital gas flow meters are designed to measure different types of gases. Like Air, N2, O2, CO2, and more.

The compressed air flow meter is an upgraded and improved gas vortex flow meter. The Karman vortex airflow sensor is researched and produced according to the Karman vortex principle.

In line Magnetic Flow Meters

Sino-Inst is one of the reliable Magnetic flow meter manufacturers and suppliers in China. Magnetic flow meters apply for wastewater flow rate measurement.

Sino-Inst can offer stainless steel magnetic flow meters, both the Pipeline and plug-in style. Of course, Sino-Inst can offer you with the mass flow meters and other flow meters. Read More

In line Ultrasonic Flow Meters

Ultrasonic flow meters, using the ultrasonic principle, measure the velocity of flow. We can use a different type of ultrasonic flow meters, like Portable ultrasonic flow meter, Handheld ultrasonic flow meter, Clamp-on Ultrasonic Gas Flow Meter. For airflow, natural gas, Read More

Extended reading: Flow Measurement of Nitrogen

In line Turbine Flow Meters

Turbine flow meters are flow sensors work for the inline liquids. Turbine flow meters are cost-effective and offer reliable, measurement with minimal flow meter maintenance required. Turbine flow meters measure the velocity of liquids, gases, and vapors in pipes, such Read More

Inline flow meters are mainly used for industrial pipeline fluid measurement. It can also be used for residential water pipes.

Residential inline water flow meter

Ultrasonic water meter is a new small residential water meter. Residential ultrasonic water meters are equipped with line water meters, and wireless water meters can be customized.

T3-1-2-H residential ultrasonic water meter adopts ultrasonic time difference measurement technology. A highly integrated, developed according to ISO4064-1:2005, GB/T778.1-2007, and other standards. A new generation of fully digital water meters with the advantages of high turndown ratio, ultra-low starting flow, and rich communication methods. IP68 protection level.

Industrial Inline flow meters have a wide range of applications. Need to select the appropriate type according to the measurement medium.

For example, in the food industry, hygienic electromagnetic flowmeters can be used to measure beer and milk. Or sanitary turbine flowmeter.

In the wastewater treatment industry, for example, electromagnetic flowmeters can be used to measure corrosive wastewater.

Frequently
Asked
Questions

Help Center

If you let me answer this question. I would like to divide flow meters into two categories: mass flow meters and volumetric flow meters.

Of course, it can also be divided according to the measurement medium. There are two types of flow meters for measuring gas and measuring liquid.

Perhaps, we can also divide into closed pipeline measurement and open channel measurement according to the situation of the pipeline.

Finally, we may also be able to divide into contact and non-contact measurements according to the contact situation of the medium.

If you want to divide the flow meter into three categories. I think it can be divided into volumetric flowmeters, mass flowmeters, and velocity flowmeters.

Extended Reading: Petroleum Flow Meter

There are differences in the allowable error of the measurement accuracy of the commonly used flowmeters, as follows.

Mass flow meter 0.05%;
Positive displacement flowmeter 0.25～0.5;
Electromagnetic flowmeter 0.25～1.0;
Turbine flowmeter 0.15～0.5;
Vortex flowmeter 0.15;
Ultrasonic flowmeter 0.10 (multi-channel is better than 0.5);
Orifice plate, micro cone, uniform velocity tube flowmeter 1 to 1.5, nozzle 0.10.

Relatively speaking, mass flow meters have the highest accuracy.

Both the accuracy and error of a flowmeter characterize the ability of a measuring instrument to approximate the actual true value of the measurement results. The higher the accuracy of the instrument, the closer the measured value is to the actual true value. The higher the accuracy, the smaller the error.

Many people feel that the flow meter (flow meter) is the same as the water meter to measure water, but it has the essence but different. However, a water meter is a type of flow meter (flow meter). Let’s talk about the difference between the two of them.

The flow meter (flow meter) can measure the instantaneous flow, and can understand the usage of each site. The water meter mainly has the accumulation function, and the instantaneous flow Q cannot be seen.

A water meter is also a type of flowmeter. It is a volumetric measurement with an accumulation function. The household water meter is a small flow measurement flow meter. It is not resistant to high pressure and high temperature, and cannot output linear signals. Unable to participate in the automation control of modern industry. Basically only metering water, certainly not for metering gas. Some liquid media also cannot be applied.

To put it simply, water meters are generally only used to measure water and have a wide range. Flow meters can measure liquids, gases, vapors, or two-phase.

The installation positions of different flowmeters have different requirements for straight pipe sections.

Liquid flow meters are generally better installed at low places. Because this can make the part of the liquid passing through the flow meter reach the state of full pipe.

Gas flow meters are generally installed high in the pipeline.

And almost all flow meters require a certain length of straight pipe. Different flow meters require different straight pipe lengths.

If there is anything you want to know, please contact us.

The general measurement is to use an electromagnetic flowmeter.

Magnetic flowmeters use the principle of Faraday’s Law of Electromagnetic Induction to measure the flow rate of liquid in a pipe. In the magnetic flowmeter pipe parts, a magnetic field is generated and channeled into the liquid flowing through the pipe.

As fluid flows through the magnetic field, conductive particles in the fluid create changes. This variation is used to measure and calculate the velocity of water flow through the pipe. When the fluid moves faster, more voltage is generated. The electronic transmitter processes the voltage signal to determine the liquid flow.

Read more about Digital Water Flow Meters

At present, the flowmeter products used for natural gas flow measurement roughly include: gas waist wheel flowmeter, gas turbine flowmeter, precession vortex flowmeter, thermal mass flowmeter, vortex flowmeter, ultrasonic flowmeter and orifice flowmeter Wait. Let’s make a simple comparison on the use of these flow meters.

Read more about: Natural Gas Flow Meter Types

Extended reading: Cryogenic Flow Meters | Liquid Nitrogen-Liquid Oxygen

Sino-Inst offers broad flow control and measurement portfolios in the industry. Sino-Instrument provides technology to measure and control whatever moves through a pipe or pipeline. Including water, air, steam, oil, other liquids and gases.

Customers can rely on Sino-Inst for application specific solutions, that deliver accurate, timely and dependable flow data and control essential,for product quality, cost control, safer operations, and regulatory compliance.

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KimGuo11

drurylandetheatre.com

Gas Mass Flow Meter

Posted on November 8, 2019 by KimGuo11

Gas mass flow meters are very important in some important industrial fields. This kind of equipment installed in pipelines can detect gas. The gas mass flowmeter manufacturer introduced the task of monitoring the flow rate in the pipeline system.

Gas mass flow meter types

It uses mechanical equipment measuring components to continuously divide the fluid into separate known parts of the volume. The total flow of the fluid volume is measured according to the frequency of repeatedly filling and draining part of the volume of the fluid in the measuring chamber.

It is a kind of variable total area flowmeter. In a vertical tapered tube that expands from bottom to top. The force of the floating ball with the annular cross-section is borne by the hydrodynamic force. In turn, the floating ball can be freely moved in the tapered tube. Raise and lower.

Extended reading: Gas Rotameter Tips

It is an instrument that measures the total flow based on the gas pressure caused by the flow detection device installed in the pipeline, the known fluid standard and the specifications of the inspection room and the pipeline.

A non-streamlined vortex generator is placed in the fluid. The fluid is alternately separated on both sides of the generator to release two series of standard overlapping vortex meters.

Extended reading: 5 matters to pay attention to when choosing threaded Vortex Nitrogen Gas Flow Meter

It is a key type of rate flow meter. It uses a multi-leaf motor rotor (turbocharger) to experience the average water flow of the fluid. Then it calculates the total flow or total output.

A meter that measures the total flow rate based on the efficacy of the fluid fluidity on the ultrasonic beam (or ultrasonic single pulse).

The thermal flowmeter sensor includes 2 sensing technology components. A speed sensor and a temperature sensor. They compensate and calibrate the gas temperature changes fully automatically.

The electric heater part of the instrument heats the speed sensor to a certain time constant higher than the temperature of the working condition. A stable temperature difference is generated between the speed sensor and the sensor that measures the temperature of the working condition.

When the temperature difference does not change, the kinetic energy consumed by the electric heater. It can also be said that the heat dissipation value is proportional to the mass flow rate of the passing gas. It is suitable for the measurement of single gas and a fixed proportion of multiple gases.

The basic principle is to use the Coriolis force caused by the fluidity of the fluid in the vibrating tube. The force can be measured immediately or indirectly to obtain the fluid mass flow.

Extended reading: Liquid Mass Flow Meter

How To Reduce The Effect Of Pressure On The Mass Flow Meter?

Further reading: Industrial LPG/Propane flow meter

Gas mass flow meter Applications

Gas quality flow measurement and operation for heating furnace and cracking furnace;
Petrochemical equipment, oil production plant, torch gas quality flow measurement;
Air index flow measurement and control for combustion furnace; radon mass flow and control for gas turbine generator;
Food industry and beverage gas mass flow and control;
Hydrogen mass flow control in waterworks;
High-purity gas quality flow measurement when manufacturing semiconductor materials;
Quality flow measurement of metal catalysts and organic chemical preservatives;
Pump maintenance and operation, pump tightness, and grease pool leakage inspection;
Central air-conditioning control system;
Mass flow measurement of instrument gas, process gas, N2, etc.
Gas detector, atmospheric sampler
Leak detection
Gas distribution system software
Laboratory gas measurement
Medical applications
Solid-State Battery
Gases used: Air, O2, N2, He, Ar, CO2, H2, CH4, C3H8, N2O, SF6, C3H6, CO, C4H10, and most of the gases.

Extended reading: Food grade flow meters for Food & Beverage industry

Read more about: Coriolis Mass Flowmeter Working Principle

Common gas flow meters include thermal mass flow meters, vortex flow meters, precession vortex flow meters, and gas ultrasonic flow meters.

Thermal Mass Flow Meter can directly measure the mass flow of various gases. Unaffected by changes in viscosity, density, temperature, or pressure.

A thermal Mass Flow Meter is a true mass flow meter. No temperature and pressure compensation is required. Thermal gas mass flow meters are designed based on the principle of thermal diffusion. Including natural gas, coal gas, liquefied gas, flare gas, argon, carbon dioxide and other mixed gas flow measurement.Previous

Thermal mass flow meter

What is a Thermal Mass Flow Meter?

A thermal gas mass flow meter is a flow meter that can detect the mass flow of gas without temperature and pressure compensation.

Thermal Mass Flow Meter Unaffected by changes in viscosity, density, temperature, or pressure. Thermal mass flow meters are designed based on the principle of thermal diffusion.

Including natural gas, coal gas, liquefied gas, flare gas, argon, carbon dioxide, and other mixed gas flow measurement.

Gas mass flow meter working principle

The thermal flowmeter is a flowmeter designed based on the principle of thermal diffusion.

That is, when the fluid flows through the heat-generating object, the heat loss of the heat-generating object is proportional to the flow rate of the fluid.

The sensors of the series flowmeter have two standards RTD,

one for the heat source, and one for measuring the temperature of the fluid.

When the fluid flows, the temperature difference between the two is linear with the flow rate,

and then the relationship is controlled by microelectronic control technology.

Converted to a linear output that measures the flow signal.

Advantages of gas mass flowmeters

(1) The gas mass flow meter can be used at normal temperature and pressure or under high pressure. And this product can directly measure the desired data. No pressure compensation is required. No flow compensation is required. This is Unmatched by other products.

(2) It can work normally at room temperature or 100 degrees or even higher temperature. It does not need any temperature compensation. It can be effectively and directly measured.

(3) The gas mass flow meter has a relatively wide range. Generally speaking, it can take into account both small flow and large flow measurement. It is especially suitable for those large-caliber measurements.

(4) The flow resistance of the gas mass flowmeter is basically declining. The ability to resist media corrosion is relatively strong, and the measurement accuracy is relatively high.

(5) When the gas mass meteor meter is actually outputting the signal, it will take into account the situation of each signal, and it can be displayed by remote transmission, which is convenient for cooperating with other meters. It can also be effectively realized after this. Multi-flow records can be automatically accumulated, and data can be easily searched anytime and anywhere.

(6) The gas mass flowmeter is more convenient to install and easy to maintain. It can play a variety of anti-vibration functions.

(7) There are many applications of gas mass flow meters, which can be used in public works. They can be used well in the supervision system of water treatment. They can also be used in oil or natural gas projects, which can be used for energy exchange.

FAQ

A gas flow meter is an instrument for measuring the flow of gas. Installed in the pipeline to record the amount of gas flowing through.

Can measure gas, air, nitrogen, acetylene, phosgene, hydrogen, natural gas, nitrogen, liquefied petroleum gas, hydrogen peroxide, flue gas, methane, butane, chlorine, fuel gas, biogas, carbon dioxide, oxygen, compressed air, argon Gas, toluene, benzene, xylene, hydrogen sulfide, sulfur dioxide, ammonia, etc.

Extended reading: Cryogenic Flow Meters | Liquid Nitrogen-Liquid Oxygen

A propane flow meter refers to a flow meter that can measure the volume or mass flow of propane gas. Also often called LPG gas flow meter.

Generally, flanges are used to install propane gas flow meters online. You can refer to more details: New Industrial LPG/Propane flow meter-Precession Vortex

Unit of gas flow: cfm. Square refers to 1 cubic meter of gas. Strictly speaking, square should be a unit of volume, not a unit of flow.

CMM is a commonly used medium-scale flow unit, per minute.

During the unit British period, the filter passes through a certain volume of air flow. We generally use m3/h air volume unit. Foreign countries also use m3/h air volume unit cfm (cubic feet per minute). That is, ft3/min cubic feet/minute.

Commercial conversion is: 1cfm≈1.7m3/h.

Most of our gas flow meters have a local digital display. Can display the instantaneous flow of gas, cumulative flow, etc.

Of course, there is also a pointer display. Then you need to read the flow value according to the dial scale.

A wide variety of industrial flow meter options are available to you, such as free samples, paid samples.

Sino-Inst offers over 10 Gas mass flow meters, with the Best Price.

All of our flow meters can work with the AMS NEW TREX.

About 13% of these are magnetic flow meters, 14% are Insertion Magnetic Flow Meter, 25% are Venturi flow meters, 13% are Handheld ultrasonic flow meters, and others are Liquid Turbine Flow Meters.

Sino-Instrument is mass flow meter supplier, located in China. Mass flow meter products are most popular in North America, Mid East, and Eastern Europe.

The United States, and India, which export 99%, 1%, and 1% of ultrasonic level transmitters respectively.

You can ensure product safety by selecting from a certified supplier, with ISO9001, ISO14001 certification.

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KimGuo11

drurylandetheatre.com

Nitrogen Gas-Liquid Nitrogen Flowmeters

Posted on October 17, 2019 by KimGuo11

Nitrogen Flowmeters are a type of flow meter that can measure the flow of nitrogen or liquid nitrogen. The common nitrogen flow rates are nitrogen and liquefied nitrogen. Nitrogen is often referred to as an inert gas. Used in metal processing in some inert atmospheres. When it is liquid, it is a common reagent for cooling, cooling, and freezing. Optimize your nitrogen system and save costs. Therefore, it is very important to accurately measure the nitrogen flow rate.

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Nitrogen flowmeters are important to different industries. Inline Flow Measurement of Nitrogen needs to purchase the correct flow meter.

Please follow the purchasing guide below. You will find your most suitable Nitrogen flowmeter!

First, let’s take a look at nitrogen.

Flow Measurement of Nitrogen

Nitrogen is required in many processes of the chemical and pharmaceutical industry; predominantly as protective gas, to prevent the occurrence of explosive atmospheres。

Such as when handling dusty products or solvents.

If your work requires you to use nitrogen, having a flow meter installed on your tank is a great way to save some money.

These indicators let you know whether gas is moving through the line, often via the use of a levitating ball, a pressure gauge, or other visual cues.

These options are simple to use and reliable, making them must-haves for welders, HVAC technicians, and more.

Guess you like Industrial oxygen flow meter

Next comes the most important question:

Nitrogen(N2) Flow Meter Types

There are 6 types of commonly used nitrogen flow meters:

If you need to measure the volume flow (m3/h, dum/s), it is best to use a vortex flowmeter. The accuracy is quite high and the price/performance ratio is good. However, when measuring with a vortex flowmeter, pay attention to the measuring range.

The vortex flowmeter directly measures the volume flow of gas and liquid. It is necessary to add temperature and pressure measuring sensors and totalizers to calculate mass flow.

This is a new type of gas flow meter. The flowmeter integrates flow, temperature, and pressure detection functions. And can automatically compensate for temperature, pressure and compressibility. It is an ideal instrument for gas measurement in petroleum, chemical, electric power, metallurgy and other industries. It is also a common choice for nitrogen flowmeters.

For volume flow measurement, you can also use differential pressure flow meters, orifice flow meters, Verabar, and Annubar flow meters. However, the accuracy is lower and the price is higher. Its advantage is that it can measure the flow of gas-liquid two-phase media. For example, due to gas liquefaction or gas-liquid two-phase formation under high pressure.

Orifice plate flowmeter, orifice plate as a throttling element, equipped with a differential pressure transmitter. The volume flow can be calculated. To convert to mass flow, temperature and pressure sensors and totalizers must also be added.

Featured Nitrogen Gas Flowmeter

There are 4 types of flow meters commonly used to measure the mass flow of nitrogen:

Thermal gas mass flow meter. Directly measure the mass flow of common gases, including nitrogen.

Coriolis mass flowmeter. Directly measure the mass flow of gas and liquid. It can be used to measure nitrogen, which is more expensive.

The vortex flowmeter directly measures the volume flow of gas and liquid. It is necessary to add temperature and pressure measuring sensors and totalizers to calculate the mass flow.

Orifice flowmeter. The orifice plate is used as a throttling element and is equipped with a differential pressure transmitter. The volume flow can be calculated. To convert to mass flow, temperature and pressure sensors and totalizers must also be added.

The above comparisons. Recommend thermal gas mass flow meter. The price is moderate, the installation and maintenance are simple, and the measurement is accurate.

Cryogenic Liquid Nitrogen Flowmeters

Liquid nitrogen refers to liquid nitrogen. Liquid with extremely low temperature. In industrial production, liquid nitrogen can be used as a deep refrigerant. The low-temperature turbine flowmeter is used as a liquid nitrogen flowmeter, which can work at a low temperature of -196°C (-320.8 °F).

Liquid Nitrogen FlowMeter’s Turbine sensor structure at ultra-low temperature (-196℃) is made of special customized material, and it is equipped with a low-temperature resistant amplifier. Realize the instantaneous and cumulative flow monitoring of liquid nitrogen.

Nominal diameter:
Common type (0.5～300) mm;
Anti-corrosion type (6～100) mm
Insertion type (80～600)mm
Medium temperature:
Ordinary type (-20～80)℃
High temperature type (-20～120)℃
Ultra-low temperature type (-196～80)℃
Ambient temperature: (-20～55)℃;
Accuracy: ±0.2%, ±0.5%, ±1%;
Detector signal transmission line system: three-wire voltage pulse (three-core shielded cable);
Power supply: voltage: 12V±0.144V, current: ≤10mA;
Output voltage amplitude: high level ≥ 8V, low level ≤ 0.8V;

Gear flow meters are also a good choice for small-caliber liquid nitrogen measurement.

Gear flow transmitter is a type of positive displacement flow transmitter. It is a high-precision transmitter for measuring volume flow.

With the flow of the medium, the gears mesh and rotate. Under the action of the fluid flow, a pressure difference is formed at both ends of the instrument inlet and outlet. There is no need for a power supply. A pair of gears rotate freely. The cavity between the gears is filled with liquid. Discharge and measure the number of revolutions of the gear to know the flow of liquid and liquid flowing through the instrument.

High pressure resistance (1.0-45MPa)
High and low temperature resistance (-196℃-200℃)
Can measure various viscous media
High precision and repeatability
Pulse output/analog output optional
Wide range ratio (1:100)
Wide measuring range
Strong anti-corrosion and anti-fouling ability (acid and alkali)

Extended reading: liquid nitrogen level measurement

Case: Vortex flowmeter used for nitrogen gas flow measurement

The vortex flowmeter works according to the Karman vortex principle. Each pulse or certain current signal output by the meter represents a certain volume of the measured medium. The total number of pulses output during a period of time or the integral of the analog current quantity will represent the sum of the flow of the medium flowing in this period. That is, the instantaneous flow and cumulative flow we often say.

The vortex flowmeter measures a wide range of media, and it can measure gas, liquid and steam. It has a high working temperature and can withstand 350 degrees high temperature. No moving parts, safe and reliable measurement, no wear. The watch body is made of stainless steel, which is corrosion resistant and has a long service life.

Today we are mainly talking about the vortex flowmeter used for the measurement of nitrogen flow.
Give an example to illustrate:

A user measures nitrogen. The pipe diameter is 100mm. The usual flow rate is 950m3/h. Temperature and pressure.
The temperature and pressure of the site working conditions are not high. The flow rate is also within the measurable range of the vortex flowmeter.
It is understood that the user’s installation site environment is also better without major vibration or interference. Therefore, the user uses a nitrogen flowmeter, that is, a vortex flowmeter. The specific parameters are as follows:

Measuring medium: nitrogen
Medium temperature: normal temperature
Working pressure: normal pressure
Flow range: 120-1200m3/h
Connection method: flange pipe type
Installation direction: horizontal installation
Body material: 304 stainless steel
Sensor material: 304 stainless steel
Resistance body material: 304 stainless steel
Display mode: on-site LCD display
Power supply mode: 24VDC
Pressure rating: 1.0MPa

Vortex flowmeter functions:

On-site LCD displays instantaneous flow and cumulative flow;
Output 4-20mA signal output;
The secondary instrument display can be selected, and it can be used in conjunction with PLC, DCS and other computer control systems;
With temperature and pressure compensation, the accuracy is better;
Can be connected to RS485 communication protocol;
Optional battery power supply and power supply power supply;
There are multiple connection options such as pipe type, plug-in type, threaded connection, and clamp type.

Features of vortex flowmeter:

The nitrogen flowmeter has no moving parts, no wear, dirt resistance, no mechanical maintenance, and long service life;
The overall structure design of the instrument is reasonable, the dynamic measurement range is wide, and the pressure loss is small;
The measurement is not affected by temperature and pressure and is resistant to high temperatures. High pressure.

Vortex flowmeter installation conditions:

There is a straight pipe section at 15-20D. Downstream straight pipe section 5-10D;
Ensure that the medium is full of the pipeline;
Try not to install it in a place with strong vibration or interference. If it must be installed in an environment with vibrations, shock absorption measures should be taken.

FAQ

Flow Metering Principles

Differential Pressure Flowmeters
Velocity Flowmeters
Positive Displacement Flowmeters
Mass Flowmeters
For Open Channel Flowmeters – weirs, flumes, submerged orifices, current meters, acoustic flow meters and more

For different working principles, We offer different types of flow meters, like:

Differential Pressure Flow Meters
Orifice Plate
Venturi Tube
Flow Nozzles
The Sonic Nozzle – Critical (Choked) Flow Nozzle
Calorimetric Flowmeter
Ultrasonic Doppler Flowmeter
Positive Displacement Flowmeter
Variable Area Flowmeter or Rotameter
Velocity Flowmeters
Pitot Tubes
Electromagnetic Flowmeter
Turbine Flowmeter
Vortex Flow Meter
Thermal Flowmeter
Coriolis Flowmeter
Mass Flowmeters
Open Channel Flowmeters

Important factors when selecting flow metering devices are:

accuracy
cost
legal constraints
flow rate range
head loss
operating requirements
maintenance
lifetime

These factors are more or less related to each other. For example – the cost of flow meters increases with accuracy and lifetime quality.

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Sino-Inst is a well-known Exporter, Supplier, Trader, and Service Provider of Nitrogen flowmeters. Sino-Inst offers over 50 Nitrogen flowmeters for flow measurement. About 50% of these are differential pressure flow meters, 40% are the vortex flow sensor, and 20% are the gear flow meter and mass flow meter.

A wide variety of Nitrogen flowmeters options are available to you, such as free samples, paid samples.

Sino-Inst is a globally recognized supplier and manufacturer of flow measurement instrumentation, located in China.

KimGuo11

drurylandetheatre.com

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