MaterialShell: brass nickel plated/brass/plastic Bearing: INO×18/8 (1.4305) stainless steel Impeller: PVDF (polyvinylidene fluoride) Magnet: SrFeO ceramic, ultrasonic weldingsealMVQ (silicone rubber "O" ring)temperature range-10℃~+100℃Accuracy class±2%Repeat accuracy±0.20%Pressure rangeMaximum 2MPaInstallation methodHorizontal installationDimensions (L×B×H)40×55×40mmconnectMPM connectorProvide power4.5~24VDCOutputOpen collectorMaximum (extra) voltage output25VDCMaximum current output25mAThreadG1/8 or G1/4

Low Flow Meters for Micro Liquid/Gas flow rate measurement

What is a low flow meter?

Low Flow Meters refer to those flow meters that can be used to measure micro-flow-low-flow rate media. Including metal rotor type, gear type, electromagnetic type microflow meter, microturbine type, and thermal type small mass flow meter. It can measure the Low flow rate of a variety of liquids and gases. For example, it needs small volume, high-temperature resistance, low-temperature resistance, or medium viscosity. etc. We all have suitable product recommendations.

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More Flowmeters

Sino-Inst specializes in low flow meters for micro to low flow rates. We offer:
Ultrasonic flowmeter can measure low flow rates from 0.1m/s to 5.0m/s.
The gear flowmeter can measure the microflow rate from 0.01 to 0.83.
Coriolis mass flow meters and controllers from 10SCCM~30SLM.
Below, we also introduce a lot of flow meters. based on vortex, electromagnetic, ultrasonic, and positive displacement, etc.

Flow range of flow meters

First, let’s take a look at the low flow rate measurement range of conventional flow meters.

Flow meter	Media	DN	Flow Range (m³/h)	L/min
Electromagnetic Flowmeter	liquid	15	0.19~3.18	3.166~53
Turbine flowmeter	liquid	4	0.04~0.25	0.666~4.166
Vortex Flowmeter	Gas; liquid	15	3～15;0.3～5	50~250; 5~83.30
Precession Vortex Gas Flowmeter	gas	15	1～7	16.66~116.666
Ultrasonic Flow Meters	liquid	15	0~±12m/s	–
Differential Pressure Flow Meters	Liquid; gas	15	0.8m/s	–
Oval gear flowmeter	liquid	10	0.03-0.2	0.5~3.33
Gear flow meter	liquid	2	0.0006~0.050	0.01~0.833
Coriolis Mass Flowmeter	Liquid; gas	3	0~96~144 kg/h	–
Thermal gas mass flow meter	gas	6	0.1～120Nm/s	–
Metal rotor flowmeter	Gas; liquid	15	0.07~0.7; 2.5~25	1.166~ 11.66;41.666 ~416.66

Low flow meters for Liquids

Gear flow meter to measure micro flow — Cylinder Gear flow meter for micro flow measurement.

Model	Measure Range L/H	Measure Range L/min
GF02	0.6-50	0.01~0.83
GF04	5-250	0.083~4.16
GF06	10-500	0.167~8.33
GF10	50-1200	0.83~20
GF15	200-3000	3.33~50
GF25	1000-12000	16.67~200
GF32	2000-20000	33.33~333

Product	Strap on Flowmeter
Model	X3
Flow range	0.1m/s~5.0m/s
Accuracy	±2.0%
Repeatability	0.80%
Pipe size	φ6.35~φ90

Moeld	X3-φ6.35	X3-φ9.53	X3-φ12.7	X3-φ15	X3-φ20	X3-φ25
Weight(KG)	0.91	0.91	0.9	0.9	0.84	0.84
Moeld	X3-φ32	X3-φ40	X3-φ50	X3-φ63	X3-φ75	X3-φ99
Weight(KG)	0.82	0.88	0.98	1.43	1.52	1.95

Caliber （mm）	Measuring range （L/min）	Factor
1.15mm	0.035-1.6	0.5
1.3mm	0.01-1.86	0.6
1.5mm	0.045-2.08	0.67
2.0mm	0.085-2.32	1.02
2.5mm	0.12-2.4	1.44

Material	Shell: brass nickel plated/brass/plastic Bearing: INO×18/8 (1.4305) stainless steel Impeller: PVDF (polyvinylidene fluoride) Magnet: SrFeO ceramic, ultrasonic welding
seal	MVQ (silicone rubber “O” ring)
temperature range	-10℃~+100℃
Accuracy class	±2%
Repeat accuracy	±0.20%
Pressure range	Maximum 2MPa
Installation method	Horizontal installation
Dimensions (L×B×H)	40×55×40mm
connect	MPM connector
Provide power	4.5~24VDC
Output	Open collector
Maximum (extra) voltage output	25VDC
Maximum current output	25mA
Thread	G1/8 or G1/4

Threaded micro flow target type flowmeter — Threaded microflow target type flowmeter

Pipe diameter:	DN6mm—50mm (threaded type)
Accuracy:	±0.2/ ±0.5/ ±1.0 (liquid flow meter); ±0.5/ ±1.0/ ±1.5 (gas flow meter)
temperature:	-196°C to +700°C.
pressure:	Negative pressure -70Mpa
Measuring range ratio:	1:100 times; 1:50 times; 1:30 times; 1:10 times
Flow range:	Liquid: DN6 to DN80 starting at 0.1L/h (ultra-small flow); Gas: DN6 to DN80 starting at 15L/h (ultra-small flow);

Measuring range	Low range: 10SCCM~30SLM Medium range: 30SLM~300SLM Large range: 500SLM~3000SLM
Accuracy (under standard conditions after zero adjustments)	±1%F.S
Repeatability	±1%F.S
Zero drift & full-scale drift	0.02%F.S/C/Atm
Working range/range adjustable ratio	2%~100%F.S/50:1
Maximum measurable flow	100%F.S (controllable)
Typical response time	200 milliseconds (adjustable)
Start-up warm-up time	<5 seconds

Extended reading: Micro flow meters for low flow liquids

Low flow meters for Gas

Model	Caliber	Mechanical interface	FLow Range: SLPM	FLow Range: NCMH
MF5706	6mm	1/4″	10 25	0.6 1.5
MF5712	12mm	1/2″	200	12

Measuring medium:	Various gases (except acetylene gas and mixed gas)
Measuring pipe diameter:	DN3, 6, 8, 10
Flow range:	30, 60, 80, 100, 300, 600, 800, 1000 sccm; 10, 20, 30, 50, 80, 100 SLPM
Flow measurement accuracy:	±1.5%FS; ±2.5%FS
range of working temperature:	-25℃-55℃
Working pressure range:	0.3MPa, 0.6MPa, 1.0MPa
Power supply:	24VDC±10%;
output signal:	4-20mA, RS485 communication;

FAQ

Coriolis Meters.
DP Meters.
Magnetic Meters.
Multiphase Meters.
Turbine Meters.
Ultrasonic Meters.
Vortex Meters.

Extended reading: How does a rotameter work

The water flow meter is an instrument specially used to measure the flow of water in pipes. You can get many different types of water flow meters from your facility.

When used in certain applications, each flow meter has its own advantages. For many pipelines and similar systems, the water must be maintained at a specified flow rate to ensure the effective operation of the system.

Gear flow meter-high viscosity fluid-micro flow solution

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Gas Rotameter Tips

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Float Flow Meter Technology

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Paddle wheel flow meter technology

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Sludge Flow Meter for Return Activated Sludge

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Micro flow meters for low flow liquids

Featured Micro flow meters for Sale Further reading: Industrial LPG/Propane flow meter A Microflow meter is also called a microfluidic flow meter or a low flow meter. The Micro flow meters we are going to discuss here mainly include gear Read More

Cylinder Gear flow meter

A Cylinder gear flow meter is a micro digital positive displacement flow meter. Can measure very small flow rates and quantify small volumes of liquid. High and low-temperature resistance (-196℃-200℃). Gear flow meter working principle Gear flow transmitter is a Read More

Micro Flow Meter

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Z-Series Straight Tube Micro Motion Coriolis Flow Meter

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Metal Tube Rotameter

Metal tube rotameter with transmitter Metal tube rotameter with the transmitter is also called digital rotameter. All-metal structure, there are indicator type, electric remote transmission type, corrosion-resistant type, high voltage type, jacket type, explosion-proof type. Electric remote transmission, explosion-proof design. Read More

Extended reading: Gas Rotameter Tips

Sino-Inst, Manufacturer for Low Flow Meters. For example crude oil flow meter, diesel flow meter, gasoline flow meter.

Sino-Inst’s Low 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.

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Low Flow Meters