High Pressure Rotameter for Liquids/gas-Upto 25 Mpa

Posted on October 25, 2022 by KimGuo11

High pressure rotameter is suitable for flow measurement of high pressure liquid and gas.
Standard type rotameter: DN15-DN50, can withstand 4.0MPa. High pressure rotameter: DN15-DN50, can withstand 25MPa. The pressure level of the jacket is 1.6MPa, and the special type should be negotiated with our engineers before selecting and ordering.
High temperature metal tube rotameter can be applied to temperature range: 100℃~450℃
The high-pressure rotameter adopts an advanced magnetic sensor that detects the change of the magnetic field angle without contact. And with a microprocessor system. It can realize liquid crystal indication, accumulation, and remote transmission (4-20Ma). Pulse output, upper and lower limit alarm output and other functions. This type of intelligent signal transmitter has high precision and reliability.

RFQ Flow Meters

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

The working principle of High Pressure Rotameter:

The high-pressure metal tube rotameter is the force that the upper and lower ends of the float generate differential pressure to form a rising force when the measured medium passes through the conical measuring tube from bottom to top.

When the lifting force on the float is greater than the weight of the float immersed in the fluid, the float will rise. The area of the annulus will increase accordingly. The fluid velocity at the annulus will drop immediately. The differential pressure at the upper and lower ends of the float will decrease. The float is stabilized at a certain height until the lift force is equal to the weight of the float immersed in the fluid.

The height of the float position corresponds to the flow rate of the measured medium.

The float has a built-in magnet. When the float moves up and down with the medium, the magnetic field changes with the movement of the float.

a. For the local type, the rotating magnet in the local indicator is coupled with the magnetic steel in the float to rotate. At the same time, the pointer is driven to indicate the flow rate at this time through the dial.

b. For the intelligent type, the change of the magnetic field is converted into an electrical signal by a solid-state magnetic sensor in the intelligent indicator. After A/D conversion, microprocessor. D/A output, LCD liquid crystal display, to display the flow rate size and cumulative flow.

Extended reading: High Pressure Flow Meters for Liquids-Steam-Gas

High Pressure Rotameter Features:

All-metal structure design. Sturdy, simple, high pressure resistance, high temperature resistance, anti-corrosion, long service life;
Short stroke, total height 250mm, easy installation;
The mechanical pointer indicates the instantaneous flow on the spot. LCD liquid crystal displays the instantaneous flow and cumulative flow;
Intelligent indicator. Using signal acquisition and processing chip, modular design, no magnetic lag;
With data recovery, data backup, power failure protection and error self-diagnosis functions;
HART type indicator, two-wire 24VDC power supply. 4-20mA standard current signal output superimposed with HART protocol;
Parameter configuration and on-site adjustment can be performed through the HART communication hand-held communicator;
Connect with the PC serial port. Through the Windows program, the instrument can be calibrated on site;
Can be used in flammable and explosive hazardous situations;
Various installation forms such as vertical, horizontal, top in and bottom out, bottom in and side out, side in and side out. Flange or threaded connection.

High Pressure Rotameter Applications:

The metal tube rotameter has a simple structure, reliable operation, high accuracy and wide application range. Can withstand higher pressures than glass rotameters.

LZ series flowmeters have local indication, electric remote transmission, limit switch alarm, corrosion resistance, jacket type, damping type and explosion-proof varieties.

It is widely used in the measurement and automatic control of liquid and gas flow in national defense, chemical industry, petroleum, metallurgy, electric power, environmental protection, medicine and light industry and other departments.

What Is Difference Between Rotameter and Flow Meter?

A rotameter is a device that measures the flow rate of liquid or gas in a closed system. It consists of a float that moves up and down in a tube, based on the fluid’s flow rate. The faster the fluid flows, the higher the float rises.

A flowmeter is a device that measures the volume of liquid or gas that flows through it. There are many different types of flowmeters, each designed to measure different types of fluids. For example, positive displacement flowmeters measure the volume of fluid that passes through them, while rotameters measure the rate of flow.

More Featured High Pressure Flow Meters for Liquids-Steam-Gas

Are high pressure flow meters the same as regular flow meters? Can high pressure flow meters be replaced by ordinary flow meters?
Of course not.

You need to measure the flow of fluids under high pressure, but you’re not sure which type of flow meter is best for your application.

Choosing the right flow meter can be difficult, because there are so many different types available on the market. How do you know which one is right for your specific application?

Sino-Inst offers a wide range of high pressure flow meters that are specifically designed to operate in demanding applications. Our high pressure flowmeters are made from stainless steel construction and are ideal when measuring the flow of fluids under high pressures.

Read more about: High Pressure Flow Meters Types

Frequently
Asked
Questions

Help Center

Yes, rotameters are affected by changes in pressure. When the pressure decreases, the rotameter will read a lower flow rate. Similarly, when the pressure increases, the rotameter will read a higher flow rate. This is because the rotameter measures the fluid’s velocity, and changes in pressure will affect the fluid’s velocity. Therefore, it is important to keep the rotameter’s pressure at a constant level if you want to accurately measure the flow rate.

Learn more about Flow Rate And Pressure Formula, which may help you calculate mass or volume flow.

The flow detection element of the rotameter is composed of a vertical tapered tube that expands from bottom to top and a float group that moves up and down along the axis of the tapered tube. Below, I will give you a specific introduction to the classification of rotameters.

Glass rotameter:

Glass rotameters are mainly used in various departments such as the chemical industry, petroleum, light industry, medicine, fertilizer, chemical fiber, food, dyes, environmental protection, and scientific research. Used to measure the flow of single-phase non-pulsating (liquid or gas) fluids. The anti-corrosion glass rotor flowmeter is mainly used for the detection of corrosive liquid and gas medium flow. Such as strong acid, strong acid, oxidant, strong oxidizing acid, organic solvent, and other corrosive gas or liquid medium flow detection.

Extended reading: Gas Rotameter Tips

Plastic tube rotameter:

The main parts such as the liquid plastic tube rotameter cone tube are made of AS, ABS plastic. Has relatively good corrosion resistance. The product also has the characteristics of reasonable structure, small size, lightweight, and the tapered tube is not easily broken. The plastic tube rotor flowmeter can be widely used in chemical, environmental protection, food, and other industrial sectors.

Plexiglass rotameter:

Plexiglass rotameter is divided into panel type plexiglass rotameter and pipeline type plexiglass rotameter.

Plexiglass rotameter also has the characteristics of high transparency, intuitive reading, not easy to break, lightweight, long life, and convenient installation and connection. However, the tapered glass tube of plexiglass cannot be used for organic solvents (such as trichloroethylene, dichloroethane).

Metal tube rotameter:

Metal tube rotameter is divided into on-site pointer indication type and remote transmission type.

Metal float flowmeter is a kind of flow measuring instrument commonly used in industrial automation process control. It has the characteristics of small pressure loss, large detection range (range ratio 10:1), and convenient use. It can be used to measure the flow of liquid, gas, and steam. It is especially suitable for medium flow measurement with low flow velocity and small flow.

Extended reading: Vortex Steam Flow Meter

The metal float flowmeter has a local display type and an intelligent remote transmission type. With pointer display. Instantaneous flow, cumulative flow, liquid crystal display. Upper and lower limit alarm output. Cumulative pulse output, standard two-wire 4-20mA current output, and other forms. Provide users with a very wide choice of space. In addition, the instrument uses a high-quality MCU micro-processing system. Ensure the excellent performance of the flowmeter in various applications.

Extended reading: Beginner’s Guide: Variable area flow meter

Mechanical Diesel Flow Meters for High Precision Measurement

Posted on October 21, 2022 by KimGuo11

Mechanical diesel flow meter is a volumetric meter for continuous or intermittent measurement and control of diesel or other liquid flow in pipelines. It has many advantages such as large measuring range, high accuracy, small pressure loss, strong viscosity adaptability, ability to measure high temperature and high viscosity liquid (diesel), convenient calibration, and installation suggestions. It is suitable for flow measurement in petroleum, chemical, chemical fiber, transportation, commerce, food, medicine and health departments.

RFQ Flow Meters

Sino-Inst mechanical diesel flow meter solutions come together here and allow you to select from various flow rates or technologies. When it comes to technologies, the turbine or oval gear type diesel flow meters can all be purchased directly from our website. We have a variety of mechanical diesel flow meters suitable for most fuels, including diesel, bio-diesel, kerosene, gasoline, oil, DEF, heating oil, grease and certain chemicals. mechanical Diesel fuel meters are available in several sizes from 1/2″ up to 8 “.

Featured Mechanical Diesel Flow Meters

**LCD display Oval Gear High Viscosity Flow Meter**

**High Temperature Oval Gear Flow Meter – Heating oil**

**Thermal insulation Oval Gear flow meter**

**Clamp Filling Oval Gear Positive Displacement Flow Meter**

Characteristics of Diesel Flow

Diesel is a kind of light petroleum, which belongs to the fuel of diesel engine. The use of high-speed diesel engines on cars is more fuel-efficient than gasoline engines.

Diesel demand is growing faster than gasoline. Diesel engines have higher thermal efficiency and higher power than gasoline engines. The fuel consumption per unit is low and relatively economical, so the application is increasing day by day. In many occasions, it needs to be measured.

For oil tanker or diesel storage tank pipeline transportation, it is more suitable to choose a flowmeter with higher measurement accuracy. Because it is not only convenient for trade settlement, but also high precision. The measurement is accurate and can be used for a long time.

According to the role of diesel: the use can be divided into marine diesel engine, locomotive diesel engine, automobile diesel engine, power generation diesel engine, agricultural diesel engine, construction machinery diesel engine, etc.

Diesel Fuel: Diesel fuel is primarily diesel. Light diesel oil is usually used for high-speed diesel engines. Light diesel or heavy diesel for medium and low speed diesel engines.

Extended reading: mechanical oil flow meter

Mechanical Diesel Flow Meter Working Principle

Oval gear flow meters are our most commonly used Mechanical Diesel Flow Meters.

The oval gear flowmeter is composed of a metering box and a pair of elliptical gears installed in the metering box, and the upper and lower cover plates form a sealed crescent-shaped cavity (due to the rotation of the gear, it is not sealed) as the calculation unit of a displacement .

The flow meter is mainly composed of a housing, a counter, an elliptical gear, and a coupling (magnetic coupling and axial coupling), etc. As shown in the figure.

1.Counter 2. Transmitter

3. Accuracy adjuster (used above DN50)

4. Sealed coupling

5. Front cover 6. Cover plate

7. Oval gear 8. Shell

9. Rear cover

When the measured liquid enters the flowmeter through the pipeline, the pressure difference generated at the inlet and outlet pushes a pair of gears to continuously rotate, and the liquid measured by the crescent-shaped cavity is continuously transported to the outlet. The product of four times the secondary displacement is the total amount of the measured liquid flow.

The elliptical gear generates a torque to make it rotate under the action of the pressure difference △p of the measured medium.

The rotor 1 and the rotor 2 are alternately driven by one to rotate the other. There are two magnets on each rotor as signal generating elements. There is a magnetic signal detecting element at the center of the two axes at the bottom of the cavity. Whenever the magnet turns to the detecting element, the sensor counts as a pulse.

Each pulse corresponds to a certain amount of medium discharge F, F=XXml/p, so the volume flow Qm per unit time can be obtained: Qm=F*H, F is the amount of medium removed by each pulse; H pulse per unit time number.

Read more about Mass Flow Rate vs Volumetric Flow Rate

Advantages of Oval Gear Mechanical Diesel Flow Meters

High measurement accuracy: 0.2 and 0.5;
The mechanism is simple, firm and reliable;
Especially suitable for measuring medium with high viscosity. And it is not sensitive to changes in the viscosity of the liquid being measured;
Easy to install. No straight pipe sections are required before and after the flowmeter. Even if the flowmeter is close to valves, elbows, shrinks, and expansions, there is no need to add straight pipe sections.
In order to prevent the gear of the flowmeter from being stuck by impurities. A filter must be installed upstream of the flow meter

Extended reading: Advantages of Oval Gear Mechanical Diesel Flow Meters

More Inline Digital Diesel Fuel Flow Meters

**T-series Triangle Coriolis Mass Flowmeter**

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

Gear flow meter for Micro flow

Frequently
Asked
Questions

Help Center

It is a type of flowmeter, and the measurement component is a purely mechanical structure, which is a mechanical flowmeter. Such as oval gear flowmeter.

Extended Reading: Mechanical flow meter for diesel

Take an oval gear flowmeter as an example. Under the action of fluid flow, a pressure difference is formed between the inlet and outlet of the instrument. A pair of oval gears are constantly rotating on the shaft. The cavity between its gears is filled with liquid.

As the rotation is discharged, the flow rate of the liquid flowing through the meter can be known by measuring the number of revolutions of the oval gear.
Assume that the volume of the oval gear discharged by one rotation of the oval gear is Q. The number of rotations of the oval gear per unit time is N. Then the volume of liquid that flows during this time is NQ.

If we choose an oval gear flowmeter made of stainless steel, it can also be applied to the measurement of many chemical liquids.

Commonly used fuel flowmeters include turbine flowmeters, circular gear flowmeters, oval gear flowmeters, mass flowmeters, etc.

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.

Extended reading: Crude Oil Measurement – Radar Level Meter Measuring Vaulted Buffer Tank

Crude Oil Measurement, 80G Radar Level Meter Should Be Your First Choice!

Posted on October 19, 2022 by KimGuo11

Crude oil measurement is important to the petrochemical industry. To control costs and improve efficiency. Effective crude oil level measurement regulation has become a challenge for many plants.

If you’re looking for a reliable and accurate way to measure the level of crude oil, the 80G radar level meter is the perfect choice. With its ability to handle various types of liquids and vapors, this meter is ideal for use in oil refineries and other industrial applications. The 80G radar level meter also offers a wide range of features and options, making it the perfect choice for Crude oil measurement application.

RFQ Level Sensors

**SIRD-902 Drop Antenna Radar Tank Level Sensor**

Why is crude oil level measurement challenging?

What everyone thinks must be the characteristics of the medium of crude oil.

Crude oil, usually referred to as unprocessed petroleum, is a viscous liquid. When the temperature is between minus 50 ℃ and 35 ℃ above zero, solidification will occur, changing from a liquid shape to a solid shape.

From this information, crude oil is viscous and tends to solidify when the temperature drops to the freezing point. Therefore, in order to ensure that the crude oil is always in a liquid state, the storage tank for storing the crude oil may be accompanied by a heating device. This is one of the working conditions.

Of course, there are many factors that can affect the accuracy of crude oil measurement, including the type of tank, the temperature and density of the oil, and the presence of water or sediment in the tank. Inaccurate measurements can lead to costly errors in production, transportation and refining operations.

Crude oil is typically stored in large tanks ranging in size from 10,000 to 50,000 barrels (4.5 to 22.5 million liters). These tanks are often located in remote areas, making it difficult to access them for monitoring and inspection. In addition, the oil in the tanks is typically very hot – up to 150 degrees Fahrenheit (65 degrees Celsius) – and under high pressure. These conditions can make it difficult to get accurate readings of the oil level.

Water and sediment can also accumulate in the bottom of the tank, which can throw off measurements of the oil level. Inaccurate measurement of the crude oil level can lead to over- or under-estimating the amount of oil in a tank, which can have serious consequences for production, transportation and refining operations.

To ensure accurate crude oil measurement, it is important to use a reliable and well-calibrated measuring device. In addition, regular monitoring and inspection of the tank is essential to identify any potential problems that could affect the accuracy of the measurements.

Extended reading: liquid nitrogen level sensor

Crude oil measurement – Radar level meter measuring vaulted buffer tank

Distinguished from the shape, Crude oil storage tanks are divided into lying tanks, round tanks, conical tanks, arch-shaped tanks and so on. Distinguished from the use, storage tanks are divided into process tanks and metering tanks.

So, if the radar level meter is used to measure the crude oil in the process, and the crude oil is installed in the vaulted tank. What should you pay attention to Crude oil measurement?

First of all, process tank measurement should pay attention to the selection and installation of radar level meter. The process tank, is not used for direct trading. So the accuracy requirement is not very high. But stability is an aspect that needs attention.

Radar level meter selection, you can consider high-frequency radar level meter. When installing, pay attention to whether there are stirring devices or heating devices in the tank. If there is, pay attention to avoid these obstacles. To avoid causing inaccurate measurement, or even the inability to measure the situation.

From the arch-shaped tank alone, the selection of radar level meter is basically unaffected by the tank, but the installation needs to pay attention to the following. From the arch-shaped tank alone, the radar level meter selection is basically unaffected. But the installation needs to pay attention to the following. Normally, the radar level meter is installed in the vaulted tank. Do not install in the middle of the filling top. To avoid the generation of indirect echoes. Affect the real echo.

Finally, radar level meter to measure crude oil, pay attention to the characteristics of crude oil. Select the appropriate radar level meter model.

According to the information, for a long time in the past, the crude oil vault tank level measurement, are used to manually check the ruler + steel band level meter. As a result, there were often cases of stuck steel belt and stuck shaft.

The result of such a result is inseparable from the characteristics of crude oil. Crude oil has a certain viscosity. If there is a heating device present, there will also be water vapor present. Select radar level meter, as far as possible, choose non-contact radar level meter.

The use of the measured medium is different, the choice of level meter is different. The measured medium used in the tank is different, the choice of level meter is different. The characteristics of the measured medium are different, and the type of level meter is also different.

So no matter what kind of media measurement, we must know the working conditions, know the medium, know the use. This will ensure that the right type, the measurement can be accurate. Liquid level meter to play the maximum role.

Extended reading: Fuel-Diesel-Water Tank Level Sensor Monitoring

Summary:

Here’s a quick overview of how to use radar level transmitters to measure the level of crude oil:

1. First, you’ll need to install the radar level transmitter on the tank. Make sure that it’s installed properly and securely.

2. Once the radar level transmitter is installed, turn it on and calibrate it according to the instructions in the manual.

3. When the radar level transmitter is calibrated, it will be able to measure the level of crude oil in the tank.

4. You can check the readings on the radar level transmitter at any time to see how much crude oil is in the tank.

That’s all there is to it! Using a radar level transmitter is the best way to get accurate readings of the level of crude oil in a tank. If you need any help, don’t hesitate to contact Sino-Inst for assistance.

Extended Reading: Low Cost Float Level Sensor for Tank Liquid Volume Monitoring

Frequently
Asked
Questions

Help Center

In the petrochemical industry in order for the crude oil process to run continuously and smoothly care has to be taken when storing raw and finished products. Delivery of the crude oil is via pipeline or ship and stored in a large tank until it is ready for final processing.

Accurate level measurement of products of distillation is essential whilst they are being stored in different sized tanks.

In the past, it was expensive as calibratable measuring devices were implemented for level measurement. Nowadays cheaper and low-maintenance measuring systems are used for small and medium-sized tanks. Products are now usually measured by calibratable flow meters while being moved.

Extended Reading: Industrial petrol flow meters Types

It is important to measure crude oil levels for a number of reasons.

First, crude oil is a valuable commodity, and accurately measuring levels ensures that companies are correctly compensated for the product they are selling.

Additionally, precise measurement is necessary in order to maintain optimal production levels; too little oil could lead to decreased output, while too much could cause equipment failures.

Finally, monitoring oil levels can help to identify potential leaks or other issues with storage tanks and pipelines. By regularly measuring and monitoring crude oil levels, companies can ensure the safety and efficiency of their operations.

Extended Reading: How to Measure Volume of Liquid

There are a few key factors that go into measuring the quality of crude oil. The first is density. This is measured by the American Petroleum Institute (API) and is expressed in degrees.

The second factor is sulfur content. This is important because it determines the amount of pollution that will be produced when the oil is burned.

Finally, viscosity is measured to determine the oil’s ability to flow. This is important for transportation and refining.

Extended reading: Ultrasonic Depth Sensor vs Ultrasonic Level Sensor

Oil is typically measured in barrels, with one barrel containing 42 gallons of oil. To measure the level of oil in a barrel, a ruler or tape measure is inserted into the barrel to determine how much oil is present. The measurements are then converted to barrels using a standard conversion factor.

Extended Reading: Petroleum Flow Meter

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If you need to measure high temperature and high pressure (-0.1MPa-32MPa) oil storage tanks, then learn about New Choice for Heating Oil Tank Level Sensor.

Sino-Inst is Manufacturer of 80G radar level meters for Crude oil measurement. We supply more than 20 kinds of radar level meters for Tanks. 40% 80G radar level meters, 40% 26G radar Level Meters and 20% other types level sensors.

80G radar level meters for Crude oil measurement are mainly used for level measurement of various oils tanks.

80G radar level meters for Crude oil measurement enable stable level measurement without tank modifications. This greatly meets the measurement needs of many applications. Can be used from small to large tanks.

Sino-Inst’s 80G radar level meters for Crude oil measurement, made in China. Having good Quality, With better price. Our level measurement instruments are widely used in China, India, Pakistan, the US, and other countries.

The entire team at Sino-Inst’s has received excellent training, so we can ensure that every client’s needs are met. For assistance with your product requirements, whether it’s a 80G radar level meters for Crude oil measurement, flow sensor, or other device, give us a call.

Extended reading: Hydraulic oil flow measurement solutions.

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KimGuo11

drurylandetheatre.com

High Pressure Flow Meters for Liquids-Steam-Gas

Posted on October 18, 2022 by KimGuo11

Are high pressure flow meters the same as regular flow meters? Can high pressure flow meters be replaced by ordinary flow meters?
Of course not.

You need to measure the flow of fluids under high pressure, but you’re not sure which type of flow meter is best for your application.

Choosing the right flow meter can be difficult, because there are so many different types available on the market. How do you know which one is right for your specific application?

RFQ Flowmeters

If you’re not sure which high pressure flow meter is right for your application, please contact us and we will be happy to help you select the best model for your needs.

High Pressure Flow Meters Types

There are various types of high pressure flow meters available on the market including: positive displacement, turbine, magnetic, gear, coriolis mass flow meters. Each type of meter has its own advantages and disadvantages that should be considered when selecting a high pressure flow meter for a particular application. Read more about: Flow Meter Selection Guide

High pressure turbine flow meter is one of the most popular types of high pressure flow meters due to its high accuracy and repeatability. It is also relatively easy to install and maintain. High pressure turbine flow meters work by measuring the rotation of a turbine blade that is caused by the flow of fluid passing through the meter. It is the best choice for flow measurement of various high-pressure liquids and oils.

The housing is made of stainless steel. The meter has a simple structure and optimized structural design. High-pressure butt-weld flange clamping or high-pressure threaded connection structure is used.

High pressure structure design, up to 40MPa.
Advanced micro-power high-tech, low power consumption.
new sensors, low initial flow and low pressure loss.
High accuracy with good overlap
multiple output modes for easy system integration.

Main applications.
Chemical high-pressure pipeline, hydraulic oil, circulating oil, oil stations, construction machinery and other high-pressure occasion liquid.

The main disadvantage of high pressure turbine flow meters is that they are not suitable for applications where the fluid contains solids or particles, as these can damage the meter.

Extended reading: How To Install The Pressure Sensor When Measuring The Flow Pipeline?

High-pressure electromagnetic flowmeter is used to measure the flow of conductive fluids in mining energy, steel, petroleum, chemical, electric power, industry, water conservancy, and other sectors. Can also measure acid, alkali, salt and other corrosive conductive liquids.

Measurement medium: water, acid, alkali, seawater and other strong corrosion or impurities containing conductive liquids.
Medium conductivity: ≥ 20uS/cm;
Nominal diameter: DN6-DN3000mm;
Lining material: polychloroprene, polytetrafluoroethylene, silicone fluorine rubber, polyurethane rubber, F46, PFA;
Electrode material: key-containing stainless steel, Hastelloy B, Hastelloy C, titanium, aluminum, platinum-y alloy, tungsten carbide.
Nominal pressure: 0.6MPa-42MPa;
Precision grade: 0.2, 0.5, 1.0 grade.
Flow rate range: 0.1m/s-15m/s;
Ambient temperature: sensor -25℃~+60℃; converter -10℃~+60℃.
Relative temperature: 5%-95%

Key Advantages:

Accurate and repeatable measurements;

No moving parts means low maintenance costs;

Can handle high pressures and high temperatures;

Key Disadvantages:

Requires a minimum conductivity of the fluid being measured;

Susceptible to interference from external magnetic fields;

Extended reading: Pressure Sensor Applications In Various Industries

The gear flow meter is a type of volumetric flow meter.
It is made of stainless steel and can be customized with 40MPa high pressure.
The high pressure gear flow meter is especially suitable for low flow measurement.

Features:

High pressure resistance (1.0-40MPa)
High and low temperature resistance (-196℃-200℃)
Can measure various viscous media
High precision and high repeatability
Pulse output/analog output optional
Wide range ratio (1:100)
Wide measuring range
High corrosion and stain resistance (acid and alkali)

Applications:

Resin, glue measurement
Ink, asphalt measurement
Fuel oil measurement
Hydraulic oil, lubricating oil, grease measurement
Liquid nitrogen, freezing liquid, solvent measurement
Edible oil, fish oil and food filling measurement
Chemical and anti-corrosion requirement fluid measurement
Fluid dosing control system

Extended Reading: Rotameter vs Flow meter

A high pressure orifice plate flowmeter is a device used to measure the flow of fluids through a pipe. It consists of a plate with an opening in the middle, through which the fluid flows. The plate is placed in the path of the fluid stream and the pressure drop across the plate is measured. This pressure drop is then used to calculate the flow rate. High pressure orifice plates are used in applications where the fluid being measured is under high pressure, such as in steam, oil and gas pipelines.

Applicable measured media is very wide, can be used for almost all gases, steam and liquid flow measurement.
Use pressure up to 32MPa, also can be used for negative pressure.
Medium temperature range: -30°C to +650°C.

Extended Reading: Fluid pressure sensor

Bar type flowmeter will be inserted into the center of the pipe probe, the total pressure hole on the direction of the incoming fluid flow. Static pressure hole to the direction of the fluid to flow. The difference between the total pressure and static pressure is the measured differential pressure in the center of the pipe. Then the standard differential pressure at that point is fitted by the wind tunnel calibration curve of the probe.

It is mainly used in high temperature and high pressure high flow rate or ultra-high temperature and ultra-high pressure steam flow meter. It is made of high temperature resistant and impulse corrosion resistant 1Cr18Ni9Ti material.

The complete metal chamber structure is adopted to ensure the strength and steel. So that no damage to the mechanism will occur under the washout of high-speed airflow.

Matching temperature and pressure sensors are used to compensate for the temperature and pressure of the measured medium to ensure measurement accuracy.

High temperature and pressure resistance: the primary element intelligent probe material selection 1Cr18Ni9Ti stainless steel ( according to different media selection of special steel ).
Can withstand the maximum temperature of 650 ℃, the highest medium pressure 32MPa.

Mass flow meters are based on the Coriolis principle. The flow tube through which the medium flows vibrates, thus triggering the Coriolis effect. The sensor detects and analyzes the change in frequency, phase difference and amplitude of the flow tube. The mass flow rate and density of the fluid are calculated.

The high pressure coriolis mass flow meter is pressure resistant to 24 MPa. The type of process connection as well as the ambient and process medium temperature may reduce this rating.

Choose The Right Digital Flow Meters Types

Featured High Pressure Flow Meters for Sale

High pressure flow meters Applications

High pressure flow meters are recommended based on the application. High pressure gas, High pressure water, High pressure liquid, High pressure steam or High pressure air. High pressure oxygen is also a common application. Read more Turbine Flow Meter Application Case: Demineralized Water.

Some common applications for high pressure flow meters include:

– High pressure gas flow measurement
– High pressure water flow measurement
– High pressure hydraulic flow measurement
– High pressure steam flow measurement
– High pressure air flow measurement
– High pressure oxygen flow measurement

Read more about: High Pressure Hydraulic Flow Meter

When selecting a high pressure flow meter, it is important to consider the nature of the fluid being measured, the operating conditions and the required degree of accuracy. Each type of high pressure flow meter has its own advantages and disadvantages that should be considered in order to select the best meter for the application.

Case Study: Automatic Sludge Blanket Level Detector

Posted on October 10, 2022 by KimGuo11

Sludge Blanket Level Detectors use ultrasonic technology, so they are also known as ultrasonic mud level meters.

Ultrasonic Sludge Blanket Level Detector uses ultrasonic emission with echo analysis of solids suspended in water. The height and thickness of the sludge layer can be accurately measured. Effective grasp of sludge settling characteristics. The control of sludge return flow rate.

Ultrasonic sludge interface meter/mud level meter supports various variable outputs. Such as 4-20mA variable output, relay high and low alarm control output, and RS485 communication output.

Automatic monitoring and control of sludge level can be achieved by setting the Ultrasonic Sludge level sensor.

RFQ Level Sensors

What is sludge blanket level?

Sludge (sludge) is a solid settling material produced by water and wastewater treatment processes. The sludge blanket level is the interface between the settled sludge and the turbid or clear water phase above. The sludge level can be the distance from the water surface (sludge level depth) or the distance from the bottom of the tank (sludge level height).

**Ultrasonic Sludge Interface Meter /**
**Sludge Level Meter**

Due to the highly variable nature of all types of sludge, classification is essential, and its treatment and disposal are different. According to its origin, it can be classified as

Municipal sludge (civil sludge, also called drainage cement sewage sludge,). It mainly refers to sludge from sewage plants, which is the largest category of sludge in terms of quantity. In addition, sludge from waterworks can also be included in this category.
Pipe network sludge, sludge from drainage collection systems.
River and lake sludge, sludge from rivers and lakes.
Industrial sludge, from a mixture of solids and water, oil, chemical pollution, and organic matter produced by various industrial production.

In (waste) water treatment and process control, sludge water level is an important parameter. Especially in the process of phase separation, accurate sludge level information is crucial. Automatic Sludge Blanket Level Detector can be installed in clear, turbid or even heavily contaminated media with high concentration of suspended matter.

The treatment of many wastewater effluents requires the separation of solids and liquids by sedimentation. The sedimentation process is usually done in a settling tank or a special thickening tank. A sludge interface meter is used to monitor the sludge level in the tank and control the discharge cycle of the settling tank or thickening tank. When the sludge interface meter detects that the sludge has reached the design level, it can control the sludge discharge pump for sludge discharge.

Technical Parameter

Category	Basic parameters
Function	Split type ultrasonic mud level meter
Range	5m, 10m, 15m, 20m, 30m, 40m, 50m, 60m, 70m
Measurement Accuracy	1%-2%
Resolution	5mm or 0.5%
Display	LCD display
Analog Output	4~20mA/7500 load
Relay Output	Single channel for 2 groups of AC250V/8A or DC30V/5A status programmable
Power supply	Standard 220VAC+15%50Hz optional 24VDC120mA custom 12VDC or battery power
Ambient Temperature	Display meter (transmitter) -20~+60℃, probe (sensor) -20~+80℃
Communication	Optional 485,232 communication (factory protocol)
Protection level	Display meter IP65,Probe IP68
Probe Cable	Up to 100m, 10m standard
Probe installation	According to the range and probe selection
Product power consumption	With 24V power supply, the power consumption without relay is 100mA, with a relay is to 120mA, 2 way relay 145mA, 3 way relay to 170mA, 4 way relay to 190mA. Specific power as follows. No relay is 24 × 100mA = 2.4W; 1 way relay is 24×120mA=2.9W; 2-way relay is 24×145mA=3.5W; 3-way relay is 24×170mA=4.1W; 2-way relay is 24×190mA=4.6W;

portable sludge blanket level detector, is specially designed for sedimentation tank sludge interface measurement and instrumentation. The meter adopts the innovative multi-beam mutual compensation technology to measure the concentration of suspended matter. A high precision pressure sensor is also used to measure the water depth. It can simultaneously measure and display the suspended matter concentration and water depth at the sensor location.

The operator can easily determine the distribution of the sludge interface in the settling tank based on the sludge concentration value and the water depth. It is especially suitable for the inspection and measurement of sludge concentration and interface of sedimentation tanks in wastewater treatment plants and feedwater treatment plants.

The instrument is ergonomically designed, easy to carry and easy to operate. The rechargeable battery power supply can automatically record the measurement data, which is very convenient for the operator.

Technical Parameter

Measurement range.	Concentration 0~50000mg/l, water depth 0~10m
Resolution.	Concentration 1mg/l, water depth 0.01m
Accuracy.	Concentration ±1%FS, water depth ±0.5%FS
Calibration.	Factory calibration, field calibration available
Display.	LCD display of date and time, measured value, historical trend line, etc.
Digital interface.	USB
Data storage.	64M Flash
Operation settings:	Completed via transmitter keypad
Power supply method.	Battery powered with charger
Battery life.	Each charge can measure about 1000 minutes, with power indication
Size.	228×117×86, Φ45×130
Material.	Controller PC, sensor stainless steel
Transmitter weight.	0.5Kg
Sensor weight.	0.5Kg
Sensor Cable.	Shielded cable 10m, (other lengths can be specified in the order)
Operating Temperature.	Controller -10～55℃, sensor 0～60℃
Relative Humidity.	0～100%
Operating pressure.	7.5Bar

Extended Reading: How many types of level transmitters are there?

Sludge Blanket Level Detector Appliactions

Waste treatment clarifiers.
Primary sedimentation tanks, secondary sedimentation tanks, gravity sedimentation tanks.
Petroleum/asphalt separation tanks.
Paper pulp tanks.
Beverage water clarifiers.
Mining clarifiers.
Brine tanks.
Slurry tanks.
Any vessel in which a liquid/solid two-phase interface exists.

Extended reading: cryogenic fuel level indicator

Sludge Blanket Level Measurement Cases

Project Background

a combined double chamber (aeration/sedimentation tank) tank.
diameter of the combined tank 10m.
a depth of 3,200mm.
There is no available communication line nearby.

Measurement requirements

measurement and control of the sludge layer height in the secondary sedimentation tank.
automatic control of the sludge level directly through the transmitter.
Wireless transmission of the analog output signal to the control system.

Solution

using a sludge interface meter.
the transmitter activates the sludge discharge step when the sludge exceeds 160 cm or falls below 120 cm
installation on the existing scraper beam.
the measurement data is transmitted via a separate radio line because there are no redundant communication lines.

Advantages

Simple and fast installation without welding.
analog signals can be transmitted to the process control system via a radio connection.

Application scenarios

1、DN 15,000mm sludge pre-thickening tank.
2、Depth 9,500mm.
3、Volume about 1,500 m.

Measurement tasks

Replacement of a faulty existing sludge interface meter, which cannot change the existing structure.
Suspension of the new sensor over the existing top opening and insertion of the sensor into the medium to be measured.
Conversion of the sludge interface height to a 4-20 mA signal via the existing wiring to the existing control system.

Solution

use of a sludge interface meter.
Install the transmitter in the pre-thickener and suspend the sensor in the medium via a chain from the existing top opening.

Advantages

easy and fast retrofit without structural changes.
Explosion-proof and waterproof.

Project Background

multiple secondary sedimentation tanks in a wastewater treatment plant.
Size of Ø18m.

Measurement tasks

measurement of the sludge interface height in the secondary sedimentation tanks.
feedback control of sludge discharge and water intake.
Provide 4-20mA signal for SCADA system.

Solution

selection of sludge interface meter for sludge interface measurement.
sensor: VT sensor.
Settled sludge below the threshold (yellow) will not be accepted, so that the sludge deposition at the bottom can be well evaluated. Advantages
easy to install.
simple maintenance.
High measurement accuracy.

The thickener generally separates the solid from the liquid, and below is the settled slurry. The thickness of these well settled slurry is measured with a sludge interface meter.

These settled slurries are available for secondary use. So it is necessary to remind the operator to discharge the slurry after reaching a certain height. Such working conditions are very suitable for sludge interface meter application.

Extended reading: Oil-water interface measurement-Magtech magnetic level indicator

Extended reading: How to Choose the Right Diesel Fuel Level Sensor?

More Featured Ultrasonic Level Meters

**Portable Ultrasonic Water Depth Gauge**

**ULT-100 Explosion-proof** **Ultrasonic Level Indicator**

**Portable Ultrasonic Liquid Level Indicator**

**HS-2000 Ultrasonic Tank Level Sensor-External Mounted**

**Ultrasonic Oil Level Sensor-External Paste-Truck Fuel Tank**

Frequently
Asked
Questions

Help Center

Ultrasonic sludge interface meter is using the reliable ultrasonic echo detection principle to calculate the ultrasonic wave return to the probe The height and thickness of the sludge layer can be calculated by calculating the time of the ultrasonic wave returning to the probe. Effectively grasp the sludge sedimentation characteristics and The ultrasonic mud-water interface meter uses the principle of reliable ultrasonic echo detection to calculate the height and thickness of the sludge layer.

More about: The Difference Between Ultrasonic Depth Sensor And Ultrasonic Level Sensor

The Automatic Sludge Blanket Level Detector supports local display. It also supports variable outputs such as 4-20mA variable output, relay high and low alarm control output and RS485 communication output.

Extended Reading: Low Cost Float Level Sensor for Tank Liquid Volume Monitoring

Fuel Tank Diesel Level Sensors

Posted on October 6, 2022 by KimGuo11

Diesel Level Sensors are used in Fuel Tank\Oil Depot. By accurately measuring the level data of the oil tank, it can effectively manage the inflow, sale and storage of oil in the oil depot. The selection of Level Sensors for diesel and gasoline tanks should be determined according to the design results of the oil tank. Different structures choose different liquid level instruments.

Diesel tanks, gasoline tanks can choose to invest in Level Sensors, radar level gauge. The radar level gauge has high precision, but the price is slightly higher than that of the magnetic flap level gauge and the float level gauge. It can carry 4-20ma long-distance transmission. Sino-Inst Fuel Tank Diesel Level Sensors has obtained the national heat certificate of intrinsic safety explosion-proof certificate and isolation explosion-proof certificate, so you can buy it with confidence.

RFQ Level Sensors

Featured Diesel Level Sensors

**Pressure Guided Submersible Level Transmitter**

**SI-LT Magnetostrictive level transmitter with Local Digital Display**

**SMT3151TR Submersible Level Transmitter–2Mpa,200m**

**SIRD90 Radar Level Transmitters, Non-Contact**

**SI-302 Anti-corrosive Submersible Level Transmitter**

**SIRD70 Guided Wave Radar (GWR) Level Transmitters**

**Alternative to VEGAPULS 64-80GHz FMCW Level Radar**

Differential pressure(DP) level transmitter

Types of Fuel-Diesel Level Sensors

Below are some of the most commonly used diesel level sensors that we have compiled.

Generally speaking, the storage of diesel oil is in custom-made storage tanks. At this time, a magnetic flap liquid level indicator will be added outside the storage tank to measure the remaining amount of diesel in the tank.

When the level of diesel in the storage tank rises and falls, the magnetic float in the body tube of the level gauge also rises and falls. The rollover column changes from white to red as the diesel rises. The column turns from red to white when the liquid level drops. The red and white junction of the indicator is the actual height of the liquid level inside the container. Thus, the actual result of the measurement can be displayed correctly.

Stainless Steel Level Sensor-Pressure Guided Submersible Level Transmitter is a good choice for diesel testing.
Its biggest advantage is simple installation and low cost. Professional commissioning and installation, setup, etc. are not required. Just put the stainless steel probe into the tank and the solid gauge head.

Extended Reading: How to Measure Volume of Liquid

Float Level Switches & Sensors with Magnetic Reed Switches for Continuous Level Measurement.

Float level sensor (float switch) is one type continuous level sensor for industrial level measurement. Float level sensor has a magnetic float that rises and falls as liquid level changes. The percentage of the liquid level, 4 ~ 20mA current and liquid level value, can be displayed on site. Applications like: water tank, fuel tank, level measurement and level control. Vertical, horizontal, and side mounted, all can be satisfied.

Read more about: Ultrasonic Tank Level Sensors for Tank Level Monitoring

Ultrasonic level sensor for diesel tank includes top mount and external mount. Oil tanks are storage equipment commonly used in oil depots, oil terminals, oilfield refineries and petrochemical enterprises. For the liquid medium (petrochemical products) in the tank, the liquid level, temperature, density and pressure (pressure storage tanks) are mainly measured. ) and other parameters. Calculate the volume and weight of the liquid storage.
Industrial diesel storage tanks are available in large and small tanks. Ultrasonic liquid level sensors can well meet the liquid level measurement of diesel tanks of various sizes and installation methods.

Extended reading: ultrasonic level sensor price

Radar level transmitters use radar technology to perform the non-contact continuous level measurement. The radar level indicator converts the level into an electrical signal. The level signal output can then be utilized by other instrumentation to monitor or control. Liquids and solids are commonly measured with this measuring technique. Like: Fly ash silo. Radar level sensors are divided into Pulsed radar technology and frequency modulated continuous wave (FMCW) radar level sensors.

Sino-Inst produces a 120GHz FMCW radar level sensor, 26GHz radar level meter, 6GHz level meter.

Magnetostrictive Level Transmitters are level sensors for continuous level measurement. It is the best technology for monitoring and controlling liquid level interface.

Magnetostrictive Level Transmitters are used for continuous measurement of liquid level and interface. Magnetostrictive level measurement is currently the best liquid level measurement and control technology.Sino-Inst’s Magnetostrictive Level Transmitters can provide two independent outputs: interface; overall level. It can be applied when the difference in specific gravity drops to 0.02. Magnetostrictive Level Sensors Commonly used for the measurement of the oil-water interface. And others include acid tanks, propane containers, desalter and sewage tanks. Magnetostrictive Level Transmitters are composed of three parts: probe rod, circuit unit and magnetic float. The flexible cable type and the outer buoy type are derived from the basic model. And has a variety of communication modes 4~20mA, 0~5V, 0~10V, HART, RS-485 and so on.

Fuel-Diesel-Water Tank Level Sensor Monitoring

The oil depot liquid level monitoring system is a multi-functional management system applied to the oil depot, which can effectively manage the inflow, sales and storage of oil products in the oil depot by accurately measuring the oil level, temperature and other data of the oil tank.

Sino-Inst oil depot storage tank monitoring system is based on high-precision Fuel Tank Diesel Level Sensors. Combined with a dedicated regulatory information system. Realize automatic oil measurement and supervision for oil depots.

The system can complete the automatic measurement of the oil in the oil storage tank through each Fuel Tank Diesel Level Sensors when the oil storage tank is closed. Complete the on-site controller to realize the operation, display and remote transmission of the data measured by the liquid level sensor in the entire storage area.

The remote computer combines the received data and passes it through its internal dedicated management software. Realize the analysis of oil parameters in the oil tank, and directly reflect the operation of the storage tank.

Managers can grasp and understand the operation of each storage tank in time through their own computers. So as to reasonably carry out the production arrangement and scheduling.

Extended reading: Advantages of Oval Gear Mechanical Diesel Flow Meters

Water Tank Level Sensors

The Water Tank Level Sensor is an important part of the water tank level control system. Using a level sensor for the water tank, solenoid valve, control box, liquid level switch and other accessories can effectively form a Water Tank Level control system. Monitor the materials stored in the water tank. Master important data such as its liquid level, reserves, and quality. A reasonable liquid level can ensure the safe, reliable, and efficient operation of the storage tank.

Read more about: Water Tank Level Sensors Types

Propane Level Sensors

Propane tank level indicator is also called propane tank gauge level indicator, or propane tank level gauge. What kind of level gauge is used for Industrial propane level measurement?

Propane is a gas that can be liquefied. Chemical formula CHURCH, colorless, liquefiable gas. Slightly soluble in water, soluble in ethanol and ether.
Common Industrial Propane Tank Level Indicators for Industrial Tank Level Measurement include radar level sensor; magnetostrictive level sensor; float level gauge; magnetic flap level gauge; ultrasonic level gauge.

Read More about: Large Propane Tank Level Indicator

Frequently
Asked
Questions

Help Center

The liquid level of diesel in the tank can be measured by various liquid level sensors.
The selection of Level Sensors for diesel and gasoline tanks should be determined according to the design results of the oil tank. Different structures choose different liquid level instruments.

Different kinds of fuel level sensors are based on different working principles.

Here is an example of a commonly used capacitive fuel level sensor:

The sensing part of the capacitive oil level sensor is a coaxial container. When the oil enters the container, it causes a change in the capacitance between the sensor housing and the sensing electrode. This variation is converted by the circuit and is precisely linear and temperature compensated. Output 4-20mA standard signal for display instrument.

Fuel level sensor is applied to the oil depot, by accurately measuring the level data of the oil tank. It can effectively manage the inflow, sales and storage of oil in the oil depot. Therefore, the fuel level sensor is very important for industrial and civil industries.

Fuel Level Sensor Monitoring & Measurement Solution

Ultrasonic Level Sensor for Diesel Tanks: Above-Ground, Underground, Mobile Selection
Choosing an ultrasonic level sensor for diesel tanks is a tank-geometry problem before it is a sensor-spec problem. The same 4–20 mA transmitter that reads cleanly on a 3 m…
External Tank Level Indicator
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80GHZ Radar Level Transmitter
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Tank Level Gauges & Indicators
Tank level gauges are instruments used to indicate and control the height of the liquid level in the tank. Commonly used in water storage tanks, oil storage tanks, and underground…
Capacitive Fuel Level Sensor: Working Principle, Calibration & Selection
A capacitive fuel level sensor measures diesel, petrol, kerosene, or jet fuel by treating the tank as a parallel-plate capacitor and reading the change in capacitance as fuel rises and…
Sulfuric Acid Storage Tank Level: Radar Antenna & Overfill Guide
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Powder Silo/Bin Level Measurement and Control System
The Silo/Bin level measurement and control system solves the problem of frequent dumping accidents in the powder silo of the mixing station during the feeding process. It avoids the problems…
Oil-water Interface Level Measurement Guide
Interface level measurement is very important for oil and gas, chemical tanks. At the same time, Interface level measurement is also a measurement and control challenge. In today’s increasingly modernized…
Diesel fuel tank level gauges & Indicators
Updated: April 13, 2026 A diesel fuel tank level gauge measures the amount of fuel remaining in a storage tank or vehicle fuel tank. The right gauge prevents run-dry shutdowns,…
Oil Level Measurement Solutions for the Oil & Gas Industry
Oil Level measurements are necessary to control the amount of oil in the tank and to prevent overflow. Oil Level measurements are very important in the process of oil and…
Industrial Tank level indicators and Tank Level Gauges
Tank level indicators are level gauges that can measure and display the level of industrial liquid storage tanks. Liquid level refers to the level of liquid in a sealed container…
5 Industrial Propane Tank Level Indicators
Propane tank level indicator is also called propane tank gauge level indicator, or propane tank level gauge. What kind of level gauge is used for Industrial propane level measurement? Sino-Inst…
Level Measurement: Liquid Chlorine Storage Tanks
Monitoring the level of liquid chlorine storage tanks is a common problem in the chlor-alkali industry. This article combines the application and comparison of the actual use of the liquid…
Magnetostrictive Level Gauge Application: Refined Oil Storage Tank
The magnetostrictive level gauge is applied to the information system of the refined oil storage tank oil depot. Real-time monitoring and measurement management of refined oil storage tanks. 1. Introduction…

Sino-Inst is Manufacturer of diesel level sensors. We supply more than 20 kinds of diesel level sensors for Tanks. 40% submersible level meters, 40% External Ultrasonic Liquid Level Meters and 20% other types level sensors.

Diesel level sensors for Tanks are mainly used for level measurement of various oils.
It can measure even liquids such as water, seawater, oil, and slurry.

diesel level sensors for Tanks enable stable level measurement without tank modifications. This greatly meets the measurement needs of many applications. Can be used from small to large tanks.

Sino-Inst’s diesel level sensors for Tanks, made in China, Having good Quality, With better price. Our level measurement instruments are widely used in China, India, Pakistan, the US, and other countries.

The entire team at Sino-Inst’s has received excellent training, so we can ensure that every client’s needs are met. For assistance with your product requirements, whether it’s a diesel level sensors for Diesel Tanks, flow sensor, or other device, give us a call.

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KimGuo11

drurylandetheatre.com

Flow Pressure Transducers for Fluid Pipelines

Posted on September 23, 2022 by KimGuo11

Flow Pressure Transducers are measurements of fluid pressure within a pipeline. When fluid flows through a pipe, pressure acts on the pipe wall. The medium in the pipeline can be liquid or gas.
Measure the pressure of the fluid, on the one hand, you can understand the pressure in the pipeline. On the other hand, pipeline flow can be monitored through the relationship between pipe diameter-pressure-flow.

RFQ Pressure Transducers

Featured Flow Pressure Transducers for Sale

**SI-350 Sanitary Pressure Transmitter**

**SI-390 Industrial Pressure Transmitter**

**SI-703 Flush diaphragm pressure sensor**

**SI-512H High Temperature Pressure Sensor**

**SI-706 Combined Pressure and Temperature Sensor-Dual function**

**Explosion-proof Pressure Transmitter**

Extended reading: Static Pressure vs Dynamic Pressur

Measuring Flow with Pressure Sensors

Differential pressure sensors have been widely used to measure the flow of incompressible liquids. A very common method is to measure the pressure drop across the orifice in the pipe and calculate the flow.

An orifice plate is simply a plate that fits in a pipe (usually between flanges) with a hole of known size in its center. As the fluid flows through the orifice, a pressure drop develops across the orifice plate from the upstream side to the downstream side. This pressure drop is proportional to flow, and the sensor signal can be used to calculate flow in engineering units.

The upstream side of the orifice will have higher pressure and will be connected to the + port of the pressure sensor through a three-valve manifold. The downstream side of the orifice is similarly connected to the -port of the pressure sensor. The three-valve manifold is used to protect the pressure sensor from overpressure when the pressure sensor is installed into the work pipeline.

Calculations to determine flow from pressure drop are derived from fairly simple physical equations. However, there are many variables, each with its own engineering unit. These include: hole geometry, pipe size, fluid viscosity and fluid density. Given the number of terms and the conversion factors involved in each variable, the calculation can be quite involved.

Fortunately, there are many online calculators that allow you to simply enter variables in any engineering units that are convenient for you, and then calculate the flow rate for any given pressure drop across the orifice.

Learn more about Flow Rate And Pressure Formula, which may help you calculate mass or volume flow.

Extended reading: Temperature and pressure compensation of vortex steam flowmeter

Pipe diameter/velocity/flow comparison table (inlet > outlet)

Diameter (DN)	Flow m3/h
Diameter (DN)	0.4m/s	0.6m/s	0.8m/s	1.0m/s	1.2m/s	1.4m/s	1.6m/s	1.8m/s	2.0m/s	2.2m/s	2.4m/s	2.6m/s	2.8m/s	3.0m/s
20	0.5	0.7	0.9	1.1	1.4	1.6	1.8	2.0	2.3	2.5	2.7	2.9	3.2	3.4
25	0.7	1.1	1.4	1.8	2.1	2.5	2.8	3.2	3.5	3.9	4.2	4.6	4.9	5.3
32	1.2	1.7	2.3	2.9	3.5	4.1	4.6	5.2	5.8	6.4	6.9	7.5	8.1	8.7
40	1.8	2.7	3.6	4.5	5.4	6.3	7.2	8.1	9.0	10.0	10.9	11.8	12.7	13.6
50	2.8	4.2	5.7	7.1	8.5	9.9	11.3	12.7	14.1	15.6	17.0	18.4	19.8	21.2
65	4.8	7.2	9.6	11.9	14.3	16.7	19.1	21.5	23.9	26.3	28.7	31.1	33.4	35.8
80	7.2	10.9	14.5	18.1	21.7	25.3	29.0	32.6	36.2	39.8	43.4	47.0	50.7	54.3
100	11.3	17.0	22.6	28.3	33.9	39.6	45.2	50.9	56.5	62.2	67.9	73.5	79.2	84.8
125	17.7	26.5	35.3	44.2	53.0	61.9	70.7	79.5	88.4	97.2	106.0	114.9	123.7	132.5
150	25.4	38.2	50.9	63.6	76.3	89.1	101.8	114.5	127.2	140.0	152.7	165.4	178.1	190.9
200	45.2	67.9	90.5	113.1	135.7	158.3	181.0	203.6	226.2	248.8	271.4	294.1	316.7	339.3
250	70.7	106.0	141.4	176.7	212.1	247.4	282.7	318.1	353.4	388.8	424.1	459.5	494.8	530.1
300	101.8	152.7	203.6	254.5	305.4	356.3	407.1	458.0	508.9	559.8	610.7	661.6	712.5	763.4
350	138.5	207.8	277.1	346.4	415.6	484.9	554.2	623.4	692.7	762.0	831.3	900.5	969.8	1039.1
400	181.0	271.4	361.9	452.4	542.9	633.3	723.8	814.3	904.8	995.3	1085.7	1176.2	1266.7	1357.2
450	229.0	343.5	458.0	572.6	687.1	801.6	916.1	1030.6	1145.1	1259.6	1374.1	1488.6	1603.2	1717.7
500	282.7	424.1	565.5	706.9	848.2	989.6	1131.0	1272.3	1413.7	1555.1	1696.5	1837.8	1979.2	2120.6
600	407.1	610.7	814.3	1017.9	1221.4	1425.0	1628.6	1832.2	2035.7	2239.3	2442.9	2646.5	2850.0	3053.6

Extended Reading: MEMS Pressure Sensors

Diameter(DN)	Recommended flow rate m/s:
Diameter(DN)	20	25	32	40	50	65	80	100	125	150	200	250	300	350	400
closed system	0.5-0.6	0.6-0.7	0.7-0.9	0.8-1	0.9-1.2	1.1-1.4	1.2-1.6	1.3-1.8	1.5-2.0	1.6-2.2	1.8-2.5	1.8-2.6	1.9-2.9	1.6-2.5	1.8-2.6
open system	0.4-0.5	0.5-0.6	0.6-0.8	0.7-0.9	0.8-1.0	0.9-1.2	1.1-1.4	1.2-1.6	1.4-1.8	1.5-2.0	1.6-2.3	1.7-2.4	1.7-2.4	1.6-2.1	1.8-2.3

Extended reading: Differential pressure flow meter advantages and disadvantages

Applications of Flow Pressure Transducers

Fluid Pressure Transducers are mainly used in: construction machinery, hydraulic and pneumatic systems, petrochemicals, energy and water treatment, water conservancy and hydropower, compressors and other fields:

Applied to hydraulic system
Applied to safety control system
Applied to injection mold
Applied to monitoring mine pressure
used in compressors, air conditioning and refrigeration equipment

Extended reading: High Pressure Flow Meters Types

How to install the pressure sensor when measuring the flow pipeline?

When detecting the gas and fluid pressure in the pipeline, the pressure guiding pipe is connected with a vertical tee before entering the pressure sensor. The sampling gas enters from the upper part of the tee. The lower part of the tee is connected to a water collecting irrigation, and the horizontal interface of the tee enters the pressure sensor .

The pressure sensor is installed horizontally. The sampling pressure pipe is connected to the upper part of the pressure sensor detection diaphragm. The lower part of the detection diaphragm has its own discharge bolt.

When there is liquid entering the pressure guiding pipe, a large part will be collected in the water collecting irrigation. A small amount of liquid entering the pressure sensor detection diaphragm can be discharged by the discharge bolt of the pressure sensor.

When measuring fluid pressure, the pressure of the main fluid is taken as the measurement object. Therefore, when the pressure sensor measures the gas pressure in the pipeline, in order to prevent the liquid in it from entering the sampling pressure pipe. The sampling point is 45° above the horizontal plane of the center of the pipeline.

When measuring the liquid pressure of the pipeline, in order to prevent the gas in it from entering the sampling pressure guiding tube, the sampling point is 45° below the horizontal plane of the center of the pipeline. Read more about: Shop 101: Key Factors In Selecting A Pipe Flow Meter

Even so, it is inevitable that different phases of fluid will enter the sampling impulse pipe. There are different requirements for the installation and configuration of the pressure sensor impulse pipe.

The water collecting tank or gas collecting tank installed on the pressure guiding pipe is equipped with an inlet valve and a discharge valve. During normal testing, the inlet valve is opened and the discharge valve is closed. When it is necessary to discharge, first close the inlet valve, and then open the discharge valve. . This discharge method will always have a bit of out-of-phase fluid remaining in the water or gas header, but it will not affect the pressure sensor detection accuracy.

Fluids include both gaseous fluids and liquid fluids. The density and pressure of gaseous fluids are lower than that of liquid fluids. So in pipeline fluids, the gaseous fluid is always above the liquid fluid. This is the basic characteristic of vapor-liquid two-phase fluid.

Extended reading: Pipe Diameter vs Pressure vs Flow

Frequently
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Help Center

Pressure transmitters can be categorized into four main types:

Gauge Pressure Transmitter.
Absolute Transmitters.
Differential-Pressure Transmitter.
Multivariable Pressure Transmitters.

Extended Reading: 4 wire pressure sensor wiring diagram

There are many types of pressure sensors. Such as resistance strain gauge pressure sensors, semiconductor strain gauge pressure sensors, piezoresistive pressure sensors, inductive pressure sensors, capacitive pressure sensors, resonant pressure sensors, etc.

Extended reading: wireless pressure transmitter working principle

Currently, the most widely used pressure sensors include:

Diffused silicon piezoresistive pressure sensor,
Ceramic piezoresistive pressure sensor,
Sputtering thin film pressure sensor,
Capacitive pressure sensor,
Sapphire pressure sensor with high temperature resistance.
But the most widely used is the piezoresistive pressure sensor, which has a very low price, high accuracy and good linearity.

Extended Reading: Electronic Pressure Switch for Air Compressor

Flow is an important parameter in industrial production and life. The amount of fluid flowing through a section of a pipe per unit time is called instantaneous flow. Instantaneous flow is divided into volume flow and mass flow. A flow sensor is a sensor that measures the flow of a fluid. Flow sensor is an important instrument in measurement technology, it is widely used in industrial process control, life science and technology, commercial application, military and other fields. In recent years, with the development of science and technology and the development of human needs, flow sensors are also constantly developing.

Extended reading: Digital Flow Meters

Collection of Industrial Insertion Flowmeter Types

Posted on September 13, 2022 by KimGuo11

What is an insertion flow meter?

Insertion flowmeter is a type of flowmeter in which the measuring probe is inserted into the pipe to measure the flow. This is a type of flow meter divided by structure. It includes various flow meters with different working principles. Insertion flowmeter plays an important role in the measurement of large-diameter water flow. Light weight, low pressure loss, easy installation and maintenance.

There are many types of insertion flowmeters that have been popularized and used. According to the working principle of the insertion flowmeter detection head, it can be divided into insertion turbine, insertion vortex, insertion electromagnetic, uniform velocity tube and thermal flowmeter.

RFQ Flow Meters

Featured Insertion Flowmeters for Sale

insertion flowmeter types

Insertion Magnetic Flow Meter, also called insertion electromagnetic flow meter, is an insertion type flow meter. Insertion magnetic flowmeter can be installed without stopping the flow. Suitable for large diameter DN300-3000.

Velocity measurement range: (0.1-10) m/s
Measuring pipe diameter: DN (100-3000) mm
Measurement accuracy: 1.5~2.5 class
Working pressure: <1.6MPa
Medium temperature: -20~150℃

Extended Reading: Special Magnetic Flowmeter Installation situation

Insertion Vortex Flow Meter is mainly used for flow measurement of gas, liquid, and steam fluid in large-diameter pipelines.

It can measure the volume flow and mass flow of steam, gas and liquid;
No mechanical moving parts, high measurement accuracy, compact structure and easy maintenance;
Small pressure loss, wide range; range up to 1:25;
Adopt interference elimination circuit and anti-vibration sensor head;
The use of disturbance elimination circuit and anti-vibration sensor head makes the instrument have certain anti-vibration performance;
The temperature of the measurable medium can reach +250℃.
The sensor can be disassembled and installed continuously, and the amplifier and the sensor can be separated (separation distance 15m);

The insertion target flowmeter is developed on the basis of the traditional target flowmeter.
It has the characteristics of flowmeter without moving parts such as orifice plate and vortex street. At the same time, it has high sensitivity, accuracy comparable to that of positive displacement flowmeters, and a wide range.

Wide range of applicable pipe diameters: Φ10~Φ2000 to larger;
Wide temperature range: -196°C ~ 500°C;
Applicable to high/low pressure conditions: 0~42MPa;
Applicable to various media: gas, liquid (including high viscosity liquid, slurry), steam;
It is suitable for medium with low flow velocity, and its measurable minimum flow velocity is 0.08m/s.

The SI-VL Verabar Flow Meter is designed with an aerodynamic engineering structure and is a sensor element. The VERIS Verabar Flow Meter is a Insertion flow meter. A Verabar tube sensor is inserted into the pipe. When the fluid flows through the sensor, a high-pressure distribution zone is created in the forward direction of the flow. And a low-pressure distribution zone is created in the rear. Verabar Flow Meter can be used to measure dry gas, humid gas, liquid or vapor, without being limited by dielectric constant.

The insertion turbine sensor is matched with the display instrument to form an insertion turbine flowmeter. The insertion turbine flowmeter can be widely used in large-diameter pipeline source water, circulating water, purified water, etc. to measure the volume instantaneous flow and total volume of liquids.

Insertion turbine flowmeter features:

The insertion turbine flowmeter has strong resistance to impurities. The tangential impeller can release the suspended debris in the fluid at any time when it rotates. so that it does not wrap around the blades of the tangential impeller;
The structure and principle of the sensor and display instrument are very simple and intuitive, and it is very easy for users to master their use and maintenance technology;
It has high anti-electromagnetic interference and anti-vibration capabilities, small pressure loss, wide flow range, and low lower limit flow rate. The impeller has anti-corrosion function;
The sensor can be installed in the open air, and the entire sensor can be used in water for a long time. Horizontal, vertical and inclined pipes can be used;
Sensor with shut-off valve. There is no need to cut off the current during installation and disassembly;

The Ultrasonic Insertion Flow Meter consists of a converter and a pair of insert sensors. The Insertion sensor consists of a positioning base, a ball valve, and a sensor core. Principle: When ultrasonic waves pass through the liquid, the liquid has a slight influence on the insertion time. The change of the insertion time is proportional to the liquid flow rate.

Annubar Flow Meter is a no-equal solution with a patented, averaging pitot tube that delivers superior measurement accuracy over a wide flow range. This flow meter can measure multiple variables and is engineered with an integrated thermowell for temperature measurement. Its patented T-shaped sensor is capable of obtaining measurements via a single pipe penetration while maintaining a small profile in the pipe to reduce permanent pressure loss and increase energy savings.

Insertion Thermal Mass Flow Meter can simultaneously display flow rate (flow), temperature. Low flow rates are responsive, and high flow rates can achieve good accuracy. Even at high temperature, a good constant temperature difference can be obtained, and the stability is good. There are a variety of installation options to choose from, with a measuring range up to 180Nm/s.

Measured medium: air, natural gas, biogas, coal gas, dry chlorine, oxygen, carbon monoxide combustion air, flue gas, flare gas, hydrogen, argon and other dry gases.

insertion flow meter wastewater

If an insertion flowmeter is to be selected for a wastewater pipeline, an insertion electromagnetic flowmeter must be the first choice.

The Insertion wastewater flowmeter can be widely used to measure the flow of conductive fluids in tap water, steel, petroleum, chemical industry, electric power, industry, water conservancy, water administration and water resources. It can also measure corrosive conductive liquids such as acids, alkalis, and salts.

The Insertion sewage flowmeter is mainly composed of a measuring head (or measuring tube), an excitation system, an insertion rod, a junction box, a mounting base, and a sealing and positioning mechanism.

Measuring head (or measuring tube): The measuring head (measuring tube) is located at the particle point of the measured flow velocity in the pipeline, and is used to detect the flow velocity at this point. A measuring head (or measuring tube) is a tip or conduit made of insulating material on which a pair of electrodes is mounted. Except for the electrode tip or the inner wall of the measuring tube, other parts are insulated from the fluid to be measured.

Excitation system: The function of the excitation system is to generate a working magnetic field. It consists of an excitation coil and an iron core. It is insulating sealed into the insertion rod.

Insert rod: Made of stainless steel material. The measuring head and the measuring tube are fixed in the insertion rod. The excitation lead and electrode lead are sealed with the measured medium and connected to the junction box through the insertion rod. A direction indicator is welded on the insertion rod to ensure that the working magnetic field, the flow rate and the electrode connection are perpendicular to each other during installation, which meets the requirements of Faraday’s law of electromagnetic induction.

Junction Box: The junction box is located on the top of the sensor. The terminals in the junction box connect the sensor and the converter to each other.

Mounting base: The mounting base is welded on the pipeline under test, used to connect with the mounting ball valve and insert the part of the sewage flowmeter sensor.

Sealing mechanism: It consists of a compression thread seat made of stainless steel, a compression nut, a rubber washer and a positioning screw. It is used to seal and insert the sewage sensor, so that it can avoid a certain working pressure.

insertion flow meter for air/compressed air

If you choose an insertion flowmeter for an air line, or a compressed air line. Then the insertion thermal mass flow meter can be said to be the first choice.

Because, the insertion thermal mass flow meter has obvious advantages:

Wide range ratio 1000:1; large diameter, low flow rate, negligible pressure loss;
Direct measurement of mass flow without temperature and pressure compensation;
Very sensitive measurement of low flow rates;
Easy to design and select, easy to install and use;
Suitable for all kinds of single or mixed gas flow measurement.

If you need to measure high temperature air, or high temperature compressed air. Then another type of flow meter may need to be selected. Such as high temperature Annubar flowmeter.

Frequently
Asked
Questions

Help Center

The installation requirements of various insertion flowmeters vary. Here is a brief introduction to the standard installation of plug-in electromagnetic flowmeters:

The arrangement of instruments on the pipeline should be far away from the valve. Maintain a 10-diameter upstream intermediate pipe section and a 5-diameter downstream straight pipe section.
The on-site power supply needs to match the instrument power supply, generally a 24V rectifier. If there is no external power supply for the field measurement, an external power supply meter will be connected.
Pay attention to the flow direction of the measured liquid on the inner wall of the pipe. If the installation is reversed, the measured liquid will show a negative value.
The installation site should be cool and rain-proof. If it is often rained or immersed in water, the protection grade IP68 product should be selected.
The fluid flow in the pipeline should not be stopped if the process requires it. Media should not spill. A ball valve needs to be installed.

Different digital flow sensors include turbine, thermal mass, electromagnetic, ultrasonic, orifice plate, venturi. The different designs of the flowmeters have a variety of applications. With 4-20ma, RS485, or other output.

Then they all work differently. However, they can convert the flow signal into a digital display, or pulse, or 4-20mA signal.

Extended reading: Ultrasonic Flow Meters Types & Technical Guide

For different working principle, 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

Sino-Inst is Manufacturer of Insertion Flowmeters. We supply more than 20 kinds of Insertion Flow Meters. 40% insertion magnetic flowmeters, 30% insertion vortex flow meter and other types of flowmeters.

Insertion Flowmeters are mainly used for flow measurement of various liquids and gas.
It can measure even liquids such as water, seawater, oil, and slurry.

Insertion Flowmeters enable stable flow measurement without piping modifications. This greatly meets the measurement needs of many applications. Can be used from small to large tubes.

Sino-Inst’sInsertion Flowmeters, made in China, Having good Quality, With better price. Our flow measurement instruments are widely used in China, India, Pakistan, the US, and other countries.

The entire team at Sino-Inst’s has received excellent training, so we can ensure that every client’s needs are met. For assistance with your product requirements, whether it’s an Insertion Flowmeter, level sensor, or other device, give us a call.

Request a Quote

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KimGuo11

drurylandetheatre.com

Crude Oil Flow Meter

Posted on September 12, 2022 by KimGuo11

Crude Oil Flow Meter refers to a type of flow meter that can accurately monitor and measure the flow of crude oil. Crude oil is an industrial raw material with complex physical and chemical properties. In the process of production, storage, transportation and trade, it is greatly affected by factors such as temperature, pressure and environment. Storage, transportation and handover not in accordance with standard specifications will lead to increased measurement errors and affect product quality.

Therefore, the flow measurement of crude oil has always been the focus and difficulty of the oil and gas extraction industry.

After years of service experience, Sino-Inst offers multiple crude oil flow meters. Including mass flowmeters, positive displacement flowmeters, turbine flowmeters, etc.

RFQ Flow Meters

Featured crude oil flow meters

types of crude oil flow meters

In terms of the medium to be measured, the crude oil containing impurities needs flow measurement, and the flow measurement of the working conditions with impurities itself is a big problem. Choosing the right crude oil flow meter is even harder.

Based on years of service experience, the following 7 type flowmeters are the types of flowmeters that we believe can effectively measure the flow of crude oil.

In order to realize the accurate measurement of crude oil production, real-time automatic measurement of incoming crude oil quality is the fundamental method.

The mass flow meter has high precision, easy to use and easy maintenance, and long service life. Crude oil production can be directly measured. It is supplemented by a computer real-time monitoring and measurement software system based on it. and utilize network resources. It can also realize remote real-time monitoring of the flowmeter.

The mass flow meter measures the crude oil quality, crude oil volume, water content, temperature and other data on the liquid pipeline in real time. It is displayed on the metering post through the on-site display instrument.

At the same time, the on-site display instrument transmits the relevant data signals to the on-site data storage and remote transmission equipment (industrial computer).

For the crude oil mass flowmeter used for single well measurement, due to the presence of some chemical substances in the measured medium, the flowmeter will cause scaling on the wall of the mass flowmeter measurement pipe after a period of operation.

The composition of scale is very complex, mainly composed of asphalt, wax, sulfide, carbide, etc.
The scale on the inner wall of the measuring tube of the flowmeter will affect the accuracy of mass flow and density measurement, thereby affecting the normal measurement performance of the mass flowmeter and causing a relatively large measurement error.

To ensure the normal use of the mass flowmeter, the flowmeter must be cleaned and descaled regularly. Then re-calibrate to determine the new configuration parameters of the instrument before it can be put into use again.

Extended Reading: Mechanical oil flow meter

It is well known that the oval gear flowmeter is especially suitable for the flow measurement of the medium with high viscosity such as heavy oil, polyvinyl alcohol, resin, etc. The oval gear flowmeter has high measurement accuracy. It is suitable for the measurement of high viscosity medium flow (generally the viscosity of the liquid to be measured is 2-3000Mpa.s).

But not suitable for fluids containing solid particles. If the measured liquid medium contains gas, it will also cause measurement errors.

Usually, the accuracy of the oval gear flowmeter can reach 0.5, which is a relatively accurate flow meter.

However, if the flow rate of the measured medium is too small, the influence of the leakage error of the oval gear flowmeter will be prominent. Sufficient measurement accuracy can no longer be guaranteed.

Extended Reading: Industrial petrol flow meters Types

The working principle of the dual rotor flowmeter is done in the metering chamber. It is directly meshed by a pair of special toothed helical rotors. No relative slippage.

Although the pressure of the liquid acting on the two rotors is different. However, a pair of synchronizing gears installed on the two rotors always maintains an appropriate gap between the two rotors, ensuring that the rotors can rotate smoothly and synchronously.

Several cavities with known volumes are formed between the rotor and the casing. Under the action of the measured medium, the micro-pressure difference between the inlet and outlet of the flowmeter drives the two helical rotors to rotate in opposite directions. The helical rotor can output 8 times the volume of the cavity per revolution.

Therefore, the number of revolutions of the rotor is proportional to the cumulative flow of the fluid. The rotational speed of the rotor is proportional to the instantaneous flow rate of the fluid. Therefore, the number of revolutions of the rotor can be transmitted to the counter through the transmission gear system to directly display the liquid flow.

At the same time, it can also be converted into an electrical pulse signal by adding an electromechanical conversion device. Then pass to the secondary instrument or computer for remote display and control.

The repeatability and stability of the dual-rotor flowmeter are in a linear state, which meets the requirements of crude oil export.

The dual-rotor flowmeter has been popularized and applied in various crude oil gathering and transportation stations and external transportation measurement rooms in oilfields. Undertook the measurement task of 4400t/d crude oil export, and its measurement data has been recognized by both sides of the trade.

Extended reading: Crude oil measurement, 80G radar level meter should be your first choice!

The target flowmeter adopts the latest force sensor as the measurement and sensitive transmission element. At the same time, the latest digital technology and microelectronic technology are applied. It is an intelligent flowmeter suitable for the measurement of fluids and gases with high viscosity, low Reynolds number and tiny particles.

The use of force sensors is the key to the true realization of high precision and high stability of this product.

The target flowmeter not only has the characteristics of traditional orifice plate, vortex flowmeter and other flowmeters without moving parts. At the same time, it has measurement accuracy comparable to that of positive displacement flowmeters. Coupled with its unique anti-interference, anti-impurity performance.

In addition to the target flowmeter can replace the conventional flowmeter and conventional fluid flow measurement. Especially in high viscosity, easy blocking, high temperature, high pressure, strong corrosion and other difficult flow measurement conditions have good application value.

At present, it has been widely used in flow measurement in various fields such as steel, oil, natural gas, electric power, papermaking, chemical industry, energy, food, environmental protection and so on.

Therefore, the target flowmeter is a good choice for measuring high viscosity crude oil.

As long as the Reynolds number fits within the measuring range of the target flowmeter, it can be measured. Viscosity changes do not need to be considered. In addition, it can be equipped with a temperature sensor for density correction, which can ensure good measurement accuracy.

Extended Reading: Petroleum Flow Meter

Turbine flowmeters can measure media such as special oils.

There are many varieties of oil, edible oil, peanut oil, diesel oil, gasoline, etc. are all oils. Turbine flowmeters measure the flow of liquids. However, it is not recommended to use it for measurement of too viscous liquids. Because the turbine flowmeter uses the principle of impeller rotation to measure the flow, and too viscous liquid will affect the rotation of the impeller.

Turbine flow meters can measure low temperature and non-viscous special oil. If the user’s working condition is measured on site, it is a special type of high temperature type oil. Nor can it be measured with a turbine flowmeter. The turbine flowmeter can only measure the working temperature when the ambient temperature on site is 120℃.

Therefore, the user chooses the turbine flowmeter to measure crude oil, and needs to choose according to the actual working conditions.

Magnetic Flow Meter is a flow meter that measures the flow of conductive fluids. Abbreviated as EMF, also called Electromagnetic flowmeters. It is a kind of Volumetric flow meter. A magnetic flow meter measures the velocity of conductive liquids moving through a pipe or conduit. In the wastewater treatment industry, Magnetic Flow Meter is the best flow meter choice.

The split-type electromagnetic flowmeter can also measure high-viscosity fluids. Based on the principle of electromagnetic flowmeter and other factors, this is theoretically true, but it also depends on the specific site.

In addition to measuring the flow of general conductive liquids, the split-type electromagnetic flowmeter can also measure liquid-solid two-phase flow, high-viscosity liquid flow and volume flow of salt, strong acid, and strong alkali liquids.

The differential pressure flow meter is measured by the working principle that there is a certain relationship between the pressure difference and the flow rate when the medium fluid flows through the throttling device. Differential pressure (DP) flow meters are the most widely used form of flow measurement products today. Including: integrated orifice flowmeter, average velocity tube flowmeter, venturi tube, wedge flowmeter, underwater flowmeter, orifice plate, orifice carrier assembly, nozzle flowmeter.

Differential pressure flowmeters always have unexpected advantages in measuring complex working conditions.

For example:
Wedge throttling device is a new type of throttling device developed by our company. , Its special structure, non-clogging, solid structure, long life, can be used to measure liquid, gas and steam.

It is especially suitable for flow measurement of fluids with low flow rate, high viscosity, dust or solid particles. Such as measuring crude oil, fuel oil, residual oil, coal tar, waste water, carbon black solution and other fluids.

Summary of Crude Oil Flow Measurement Options

Flowmeters are the most commonly used instruments in oil exploration enterprises. The selection of flowmeters used in many production sites in oil fields is not reasonable, and some have installation errors, resulting in excessive measurement errors, and some cannot meet the needs of production or crude oil transfer measurement.

Many forms of flowmeters can measure crude oil, but when choosing a model based on experience and simply considering the purchase cost, you may lose the opportunity to choose the most suitable meter.

For example, the flow range of the instrument does not match the actual flow, and the instrument with high precision is selected for places with low measurement requirements.

It can be seen that the correct selection and use of flow meters is not an easy task. To choose a crude oil flowmeter correctly and efficiently. The following five factors must be considered, namely: performance requirements, physical properties of crude oil, installation requirements, environmental conditions and costs.

Read more about: Flow Meter Selection Guide

When selecting a flowmeter, the performance requirements to consider include: instantaneous flow, cumulative flow, degree, repeatability, linearity, flow range and range, pressure loss, output signal characteristics and response time.

Different measurement purposes have different options in terms of flowmeter performance. Such as crude oil trade settlement measurement requirements are relatively high.

Continuous measurement process control usually requires good reliability and repeatability. Sometimes a wide range of degrees is also required, and the requirements for measurement degrees should be placed in a secondary position.

The oilfield production site does not require the flowmeter to have too high accuracy, but it has good adaptability to the physical properties and working conditions of crude oil.

The operation of the crude oil flowmeter is affected by factors such as crude oil temperature, oil delivery pressure, crude oil density, crude oil viscosity, and flow rate.

The physical properties of crude oil will change to some extent with the changes of temperature and pressure.

When crude oil is measured by a flow meter, the volume of crude oil will be affected by changes in temperature, pressure, viscosity and other factors.

Among them, temperature is one of the most influential parameters in flow meter measurement. Changes in temperature can cause changes in a series of parameters, which change the volume, density, viscosity of the crude oil and the gap between the flowmeter housing and internal components, thus resulting in changes in leakage flow.

If the temperature is lowered, the paraffin and coke in the crude oil adhere to the inner wall of the shell and parts. This changes the volume of the metering chamber of the flowmeter. It directly affects the measurement accuracy of the flowmeter.

Flow meters of different principles have very different installation requirements. For example, differential pressure and turbine flowmeters require a long upstream straight pipe section, and some flowmeters do not have this requirement or have lower requirements. Some flowmeters need to consider the installation location and medium flow direction, maintenance space, installation direction, etc.

The measurement performance of the flowmeter is greatly affected by the installation conditions, and the reason for the large error of the flowmeter. Part of it is caused by poor installation.

Factors to be considered in the installation are: the installation direction of the flowmeter, the flow direction of the crude oil, the upstream and downstream straight pipe sections, the valve position, vibration, electromagnetic interference and maintenance space.

The ambient conditions of the meter and its expected changes, including ambient temperature, humidity, safety, and electrical interference, should be considered in the flowmeter selection process. The electronics of the meter and some of the meter’s flow sensing portion are affected by changes in ambient temperature.

For example, the size of the flow meter housing changes, and the heat transfer through the meter housing changes the density and viscosity of the fluid. When affecting the display meter electronics, it will degrade measurement performance. Sometimes the conversion display part and the flow sensor are installed in different places to ensure that the electronic components are not affected by temperature.

High humidity will accelerate atmospheric corrosion and electrolytic corrosion and reduce electrical insulation, and low humidity is prone to static electricity. These can have an effect on the circuit part of the flowmeter and sometimes even cause a malfunction.

In terms of economy, it is not comprehensive to consider only the purchase cost of the instrument, and other costs should also be considered. Such as accessories purchase costs, installation costs, maintenance and flow meter verification costs, operating costs and spare parts costs. Trade settlement measurement should also compare the economic losses caused by measurement errors.

The operating cost of the flowmeter is mainly the energy consumption during operation. Some flowmeters are powered by dry batteries, and the cost of battery consumption is also considerable. Pumping costs are a hidden cost that is often overlooked.

The maintenance cost is the cost required to maintain the normal operation of the measurement system after the instrument is installed and put into use, mainly including maintenance labor and spare parts. Instruments with moving parts generally require more maintenance work, such as regular replacement of wear-resistant bearings, shafts, rotors, transmission gears, etc.

The selection of crude oil flowmeter should comprehensively consider the five factors of instrument performance, fluid characteristics, installation conditions, environmental conditions and economy.

Encounter the phenomenon that the physical properties of crude oil, especially the viscosity-temperature characteristics, are not very clear. Special units should be invited to do a complete set of crude oil tests and make a physical property report.

Consult with the flowmeter manufacturer or technical department about the adaptability of various flowmeters and the influence of physical property changes on the performance of the flowmeter. Choose a flowmeter that meets your needs.

flow measurement in oil and gas industry

Every day, a large amount of oil and gas are transported back and forth, refined, and then transported, as well as custody transfer. Difficult oil and gas flow measurement challenges such as corrosive media and harsh environments are our daily work. This requires mature and safe technology. Through instrument measurement and display monitoring, safe and reliable operation can be achieved.

Many types of flow meters are used to measure oil and gas flow. Each type has its advantages and disadvantages.

Frequently
Asked
Questions

Help Center

Measuring oil flow is to measure the volume or mass flow of oil. According to the actual demand, and the actual parameters of the oil, the appropriate oil flow meter can be selected.

Extended reading: What Is Hydraulic Flow Meter?

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

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.

In the oil and gas industry, monitoring is required most of the time during transportation and processing. Including pressure, temperature, liquid level, flow, viscosity and more. And to achieve these functions are process meters.

Therefore, in the oil and gas industry, many meters are used. For example: thermometers, pressure gauges, flow meters, etc.

If the flowmeter is divided into 5 categories. Then the five commonly used flowmeters are:

Electromagnetic flowmeter
Differential pressure flowmeter
Turbine flowmeter
Ultrasonic flowmeter
Volumetric flowmeter (PD)

Then they all work differently. However, they can convert the flow signal into a digital display, or pulse, or 4-20mA signal.

Extended reading: Ultrasonic Flow Meters Types & Technical Guide

Sino-Inst is Manufacturer of Crude Oil Flow Meters. We supply more than 20 kinds of Crude Oil Flow Meters. 40% mass flowmeters,30% oval gear flow meters and other types of flowmeters.

Crude Oil Flow Meters are mainly used for flow measurement of high viscosity crude oil flow.

Crude Oil Flow Meters enable stable flow measurement without piping modifications. This greatly meets the measurement needs of many applications. Can be used from small to large tubes.

Sino-Inst’s Crude Oil Flow Meters, made in China, Having good Quality, With better price. Our flow measurement instruments are widely used in China, India, Pakistan, the US, and other countries.

The entire team at Sino-Inst’s has received excellent training, so we can ensure that every client’s needs are met. For assistance with your product requirements, whether it’s a Crude Oil Flow Meter, level sensor, or other device, give us a call.

Request a Quote

Please enable JavaScript in your browser to submit the form

KimGuo11

drurylandetheatre.com

Non Contact Level Transmitters: Types & Industrial Applications

Posted on September 5, 2022 by KimGuo11

Non Contact Level Transmitters are now more and more widely used in industrial level monitoring. We most often provide customers with non-contact radar level transmitters and ultrasonic level meters. Both liquids and solids can be measured with Non Contact Level Transmitters. There is no need to dig the level probe deep into the measured medium. The sensitive elements measured by Non Contact Level Transmitters are not in contact with the liquid being measured. It can be used in special occasions that contact measuring instruments cannot meet. Such as the medium with high viscosity, strong corrosiveness, strong pollution and easy crystallization.

RFQ Level Meters

Featured Non Contact Level Transmitters for Sale

**SI-FMF11 FMCW Radar Level Transmitter 120GHz**

**SIRD-905 Horn Antenna Radar Tank Level Sensor**

**SIRD-802 Radar Level Sensor for Corrosive Liquids**

**SIRD-806 Radar High Temperature Level Sensor**

**ULT-100A Ultrasonic Level Transducer**

**ULT-200A Ultrasonic fuel tank level sensor**

Non Contact Level Transmitters Types

In order to choose the most suitable level sensor, we not only need to know the properties and state of the liquid being measured. It is also necessary to understand the advantages and disadvantages of different level sensors. in order to select the most suitable sensor. Next, let’s briefly introduce the common non-contact liquid level measurement methods and their characteristics.

Common non-contact measurement methods mainly include ray level meter, ultrasonic level meter, laser ranging sensor and radar level meter.

The rays emitted by nuclear radiation (such as gamma rays, etc.) have strong penetrating ability. And through the medium of different thickness has different attenuation characteristics. The nuclear radiation level meter uses this principle to measure the liquid level.

The nuclear radiation source of the nuclear radiation level gauge is installed outside the oil tank with a point or narrow structure. The elongated nuclear radiation source detection element is also installed outside the oil tank. It can realize the detection of dynamic change of liquid level.

In addition to measuring with nuclear radiation rays, neutron rays can also be used to measure liquid level.

The ray level meter is very convenient to install and has high measurement accuracy.

Because it does not have any parts in direct contact with the measured object. It is especially suitable for measurement problems that cannot be solved by traditional measuring instruments.

Extended reading: liquid nitrogen level measurement

The propagation speed of ultrasonic waves in the same medium is relatively constant. Reflection occurs when it encounters the surface of the object being measured. Based on this principle, an ultrasonic level meter was developed. It calculates the liquid level height by detecting the time difference between ultrasonic transmission and reflection. Therefore, it is easily affected by the energy loss of ultrasonic propagation.

The ultrasonic level meter has the characteristics of easy installation and high flexibility. However, when used in environments containing steam and powder layers, the detection distance will be significantly shortened. Not recommended for use in absorbing environments such as foam.

In addition, the accuracy of the ultrasonic level meter is slightly lower than that of the radar level meter, and the price is moderate.

Extended Reading: How to Measure Volume of Liquid

Its measurement principle is similar to that of an ultrasonic level meter. Just use light waves instead of ultrasound. The emission sensor emits laser light and irradiates it to the liquid surface to be measured. Reflection occurs at the liquid surface, and the receiving sensor receives the reflected light. Convert the time from transmit to receive to level.

The beam of a laser is narrow, so its spot is small and concentrated. Therefore, it is very suitable for containers with narrow openings and measurement objects with high temperature and high viscosity.

Laser ranging sensor level meters are easy to install, calibrate, and flexible. The price is relatively affordable, and it can be used for continuous or limit alarms of bulk materials or liquid levels.

If it is a transparent liquid and oil, it is necessary to add a reflective buoy on the liquid surface before it can be measured. Not suitable for use in foam or steam environment (cannot penetrate foam or easily disturbed by steam), fluctuating liquid (easy to cause malfunction), vibration environment, etc.

Radar level meters usually use the principle of frequency modulation radar. Utilize synchronous FM pulse technology. Mount the microwave transmitter and receiver on the top of the tank. A frequency-modulated microwave signal is emitted to the liquid surface.

When the echo signal is received, due to the delay of the round-trip propagation time. The transmission frequency has changed. The two signals are mixed and processed, and the difference frequency of the obtained signal is proportional to the distance between the tank top and the liquid surface.

The radar level meter has a large measurement range and is not affected by harsh weather environments. And easy to install, low maintenance and other advantages,

Especially suitable for high viscosity or high pollution products, such as asphalt. Radar level meters provide high measurement accuracy and do not require regular maintenance and recalibration. But the installation is more complicated and the price is relatively high.

Extended reading: Oil-water interface measurement-Magtech magnetic level indicator

Radar Type Level Transmitter Working Principle

Radar Level Measurement and guide wave radar level measurement Image source: https://instrumentationtools.com/radar-level-measurement/

Very short microwave pulses with very low energy are transmitted and received through the antenna system. The radar wave runs at the speed of light. The operating time can be converted into level signals by electronic components. A special time extension method can ensure stable and accurate measurement in a very short time.

Electromagnetic waves propagate in the air at the speed of light. The distance between the radar level gauge and the surface of the material can be expressed by the following formula: 　　

D = (1/2)*CT

In the formula:

D ———the distance between the radar level gauge and the surface of the material; 　　

C ———Speed of light 　　

T ———Pulse time.

Then the liquid level is: 　　L = E-D

In the formula:

L — liquid level; 　　

E ———The total height of the tank; 　　

D ———Air height.

Even in the presence of false reflections, the new micro-processing technology and the unique ECHOFOX- software can accurately analyze the level echo. By inputting the size of the container, the distance value can be converted into a signal proportional to the level. The instrument can be debugged with empty positions.

Extended reading: Amazing Solutions for Continuous Liquid Level Measurement

Ultrasonic Level Transmitter Working Principle

The working principle of the ultrasonic level sensor is:

Ultrasonic transducer (probe) emits high-frequency pulse sound waves, and the surface of the measured level (material) is reflected back. The reflected echo is received by the transducer and converted into an electrical signal. The propagation time of the sound wave is proportional to the distance from the sound wave to the surface of the object.

The relationship between the sound wave transmission distance S and the sound speed C and the sound transmission time T can be expressed by the formula: S=C×T/2.

Image Source： https://www.coulton.com/beginners_guide_to_ultrasonic_level_transmitters.html

The probe part emits ultrasonic waves, which are then reflected by the liquid surface. The probe part is received again. The distance from the probe to the liquid (object) surface is proportional to the elapsed time of the ultrasonic wave:
hb = CT2
Distance [m] = time × speed of sound/2 [m]
The temperature compensation formula of sound velocity:
Ambient sound velocity = 331.5 + 0.6 × temperature

Non Contact Level Transmitters Industrial Applications

Sino-Inst’s Non Contact Level Transmitters, whether ultrasonic level meter or radar level meter, are widely used in various industries.

Highly toxic medium
Bromine
liquid chlorine
Liquid ammonia
dimethyl ether

Oil, flammable and explosive media
gasoline and diesel
crude
heavy oil

Volatile media in pressure vessels
liquefied gas
C4
acrylic
liquified natural gas

Corrosive media
Anhydrous hydrogen fluoride
Bromine

Other media
methanol
fuel styrene
wax oil
Acetylene

Chlor-alkali
Storage and transportation
petrochemical
Coal chemical industry
oil refining
Fluorine chemical
fertilizer
pesticide
electricity
liquid storage
other industry

Extended reading: Oil-water interface measurement-Magtech magnetic level indicator

Frequently
Asked
Questions

Help Center

Non contact level sensor refers to a type of level meters that the liquid level sensor does not need to contact the measured medium during measurement.
Common Non contact level sensors include ultrasonic level meters and radar level meters.

Extended Reading: Silo/Bin material level measurement system

There are 7 main types of level transmitters that Sino-Instrument offers. Each type of transmitter works in a different way, and makes it useful for different types of processes.

For more about: Types of Level Transmitters

Non contact water level sensor refers to the radar water level sensor. Radar Water Level Sensor is suitable for water level monitoring of lakes, rivers, reservoirs, open channels, and tidal water levels.

Radar Non-Contact Water Level Sensor adopts a non-contact measurement method and does not touch the water body. It is not affected by water quality, sediment and floating objects. The RS-485/RS-232/4-20mA interface can realize data long-distance wired transmission or docking with SCADA hydrological telemetry system. The measuring distance can be up to 70 meters.

Extended Reading: Dielectric constant for radar level transmitter

The non-contact liquid level meter has its unique advantages. There is no need to install the sensor on the tank wall during installation, and the instrument does not contact the liquid medium in the container. It effectively solves the technical problem of measuring liquid level under special harsh and harsh conditions such as strong corrosion, high toxicity, high pressure, flammability and explosion, high purity, and no bacterial infection.

Extended reading: Capacitance level sensor advantages and disadvantages

Read more about: River Water Level Monitoring System

Sino-Inst is Manufacturer of Non Contact Level Transmitters. We supply more than 20 kinds of Non Contact Level Transmitters. 40% ultrasonic level meters, 40% radar level transmitters and 20% other types of flowmeters.

Non Contact Level Transmitters are mainly used for level measurement of various liquids and solid particles.
It can measure even liquids such as water, seawater, oil, and slurry.

Non Contact Level Transmitters enable stable level measurement without tank modifications. This greatly meets the measurement needs of many applications. Can be used from small to large tanks.

Sino-Inst’s Non Contact Level Transmitters, made in China, Having good Quality, With better price. Our level measurement instruments are widely used in China, India, Pakistan, the US, and other countries.

The entire team at Sino-Inst’s has received excellent training, so we can ensure that every client’s needs are met. For assistance with your product requirements, whether it’s a Non Contact Level Transmitters, flow sensor, or other device, give us a call.

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KimGuo11

drurylandetheatre.com

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