Thermal gas mass flow meter with LCD display,can display volume flow rate,mass flow rate,
total flow and temperature.
Insertion type thermal gas mass flow meter accuracy is 1.5%
Inline type thermal gas mass flow meter accuracy is 1.0%

Thermal gas flowmeter is mainly used for measuring gas with low flow and the range could reach 1:100,which is btter than gas flowmeter on market and low flow could be measured,the min.flow velocity can reach 0.1Nm/s and Max. velocity reach 100Nm/s
Volume flow /Mass flow

Thernal gas flow meter is one kind smart gas flow instrument, It can easily and accurately detect the mass flowrate of gas,specical for low flowrate.
Such as :Air, Nitrogen, Hydrogen, Oxygen, Chlorine, Natural gas, Flue gas and Other gases (except acetylene gas)
Thermal gas mass flow emter be widely used in the process control and gas flow measurement of petroleum, chemical industry, metallurgy, electric power, water treatment, papermaking, food, medicine, cement, textile and various production and scientific research institutions.
Media:All gas except acetylene and humid gas
Measure range:1:100
Sesnsor working temperature:-20~220℃
Transmitter working temperature:-20~45℃
Output:4-20mA
Accuracy:±1.0%~±2.5%
Probe material:SS316L
Power supply:24VDC ,220VAC
Response time:1S
Display:4 line digital

Thermal flow meter measure gas mass flow in various processes and offer distinct advantages, such as repeatability, low maintenance, and operating over a wide flow range. Here we discuss the meter¡¯s fundamentals, the working principle of thermal mass flow measurement, and the two approaches to measuring heat dissipation.
In-line type accuracy:¡À1.0%
Insertion type accuracy::¡À1.5%
Power supply:DC24V and AC220V
Output:4-20mA,Pulse,RS485

Thermal gas mas flow meters are measuring the mass flow or volume flow of gas,flow range can do 0.5Nm/s¡«100Nm/s. So this meter also can be used for gas leak detection.
Thermal flow sensor temp is always 30¡æ higher than the medium temperature (environment temperature), and the meter adopts method of constant differential temperature, therefore the meter don¡¯t need temperature and pressure compensation in principle.

Thermal gas mass flow meter measure the mass flowrate of gases ,so thermal flow meter is often used in monitoring gas mass-related process.
When thermal gas flow meter measure the gases,the gases’ volume measurement is affected by pressure and temperature,while mass flowrate measurement is unaffected by changes in viscosity, density, temperature, or pressure.
Digital display
Stainless steel body
Anti-corrosion
Pressure up to 4.0Mpa
Dural power:24VDC,220VAC
4-20mA is Optical isolation

Thermal gas mass flow meter sensor is adopted reinforcing design and the root is partially reinforced to make the probe stronger and more suitable for a variety of media
Thermal mass flow meter is precision instruments that can directly measure mass flow,such as industrial gases, compressed gas, and other gases.
DC4-20mA four-wire output
Mass flow unit
Dual power:24VDC,220VAC
Min.Flow veloctiy:0.1Nm/s
Output:4-20mA

Thermal gas mass flow meter for pipe dia. DN10~DN2000 and is precision instrument that directly measure gas.
Themal mass flow meter have widely turndown ratio 1:100,so this flow meter is advantage for low flowrate and can be used to detect leak.
Media:All gas except acetylene and humid gas
Measure range:1:100
Sesnsor working temperature:-20~220℃
Transmitter working temperature:-20~45℃
Output:4-20mA

SS304 is the standard material for thermal gas mass flow meter and thermal flow meter is digital display and can
with RS485 or HART communication
Sesnsor working temperature:-20~220¡æ
Transmitter working temperature:-20~45¡æ
Thermal gas flow meter can measure many kinds of gases except acetylene and humid gas and m,easure range can reach 1:100,so it usually be used for leak detection

Critical nozzle flow calibration device could load the factor which is stored by systom to the quantity production,same model,same diameter and under calibrated thermal flowmeters,Just need to test the thermal gas mass flow meter and the process of calibration will be finished by factor amend function of this calibration device.
Q&T¡®s every thermal gas mass flowmeters be calibrated by critical nozzl flow calibration device to ensure flow meters accuracy

Q&T thermal gas mass flow meter can be divided into five sections for correction,this operation will make measuring more accurate
Line type accuracy is ¡À1.0%
Insertion type accuracy is ¡À1.5%
Media:All gas except acetylene and humid gas
Measure range:1:100
Sesnsor working temperature:-20~220℃
Transmitter working temperature:-20~45℃
Output:4-20mA
Accuracy:±1.0%~±2.5%
Probe material:SS316L

Thermal gas mass flowmeter’s medium temperature range of meter is -40¡æ¡«220¡æ.
When the gas is very humid or saturated with water (e. g. Bio Gas), the piping and flowmeter body should be insulated to prevent water droplets condensing on the measuring sensor.
Insertion type:DN32~DN4000
Flange type:DN10~DN300
Tri-clamp type :DN10~DN100
Thread type:DN10~DN100

Except for acetylene,thermal gas mass flowmeters can measure various of dry gas.
Such as Air, Natrual gas, N2, O2, CO2 etc.When measure the flammable and explosive gas,the flow meter need with ex-proof function.
24VDC will better and safety

Split display insert thermal gas mass flow meter is one kind of competitive gas flow meter for natrual gas industry
Easy installation, simple maintenance, two-way detection, anti-vibration
Flow measurement up to 24 points,and its suitable for low flow measurement ,so thermal gas mass flow meter can be used for leak detection

Thermal dry gas flow meter is mainly used in air and gas flow measurement. The meters have flange type,wafer type,thread type,tri-clamp type;
Thermal gas mass flow meter consist of a transmitter and probe with temperature sensors (RTDS) located in the pins at the bottom of the probe. One sensor measures the process temperature and the other sensor is heated to a specific temperature above this. As the flow rate increases, heat gets taken away from the heated sensor in the form of convective heat transfer.
Media temperature:-40~+220¡æ

Size£º
Insertion type:DN32~DN4000
Flange type:DN10~DN300
Tri-clamp type :DN10~DN100
Thread type:DN10~DN100

Accuracy:
In-line type accuracy:¡À1.0%
Insertion type accuracy::¡À1.5%

Natural gas thermal gas mass flow meter is one of kind mass flow meter which is popular in industrial applications is the way they are designed and built. The feature is no moving parts, nearly unobstructed straight through flow path, require no temperature or pressure corrections and retain accuracy over a wide range of flow rates.
Media:All gas except acetylene and humid gas
Measure range:1:100
Sesnsor working temperature:-20~220℃
Transmitter working temperature:-20~45℃
Output:4-20mA

Q&T thermal gas mass flow meter with DC4-20mA four-wire output,which is more convenient for remote reception.Support MODBUS RTU RS485 protocol,coordinating the receiving system to collect more data ans modify system
Velocity:0.1~100Nm/s
Media temperature:-40~+220¡æ
Size£º
Insertion type:DN32~DN4000
Flange type:DN10~DN300
Tri-clamp type :DN10~DN100
Thread type:DN10~DN100

Thermal flowmeters directly indicate the mass flow or normalized volume flow of gases without any additional pressure and temperature compensation. They have an impressively high accuracy, short response time and a very wide flow range with virtually no loss of accuracy even at the lowest flow rates
Mass flow
SS304 rod
Dual power:24VDC,220VAC
Min.Flow velocity:0.1Nm/s
Online installation

Insertion type thermal flow meter which be used to measure the air flow velocity.
Air velocity thermal flow meter with widely flow range and flow ratio can reach 1:100.
Measuring tube dia. is ¦Õ12mm and ball valve is 1/2″ NPT
24VDC power supply its more safety for gas.

Thermal gas mass flow meter have many benefits -Wide turndown ratio,low pressure drop,application flexibility and gas mass flow rate measurement.This thermal flow meter feature is no moving parts, nearly unobstructed straight through flow path, require no temperature or pressure corrections and retain accuracy over a wide range of flow rates.
RS485 or HART communication
Power supply:24VDC ,220VAC
Accuracy:¡À1.0%~¡À1.5%

Thermal gas mass flow meter for pipe dia. DN10~DN2000 and is precision instrument that directly measure gas.
Themal mass flow meter have widely turndown ratio 1:100,so this flow meter is advantage for low flowrate and can be used to detect leak.
SUS304 body
MODBUS RTU RS485
0.1~100Nm/s
4 lines LCD
EX-PROOF

Q&T brand thermal gas mass flow meter is one of hot sale flow meter, This thermal flow meter feature is no moving parts, nearly unobstructed straight through flow path, require no temperature or pressure corrections and retain accuracy over a wide range of flow rates.
Thermal mass flow meter is precision instruments that can directly measure mass flow,such as industrial gases, compressed gas, and other gases.
Accuracy :Inline type is ¡À1.0%,insertion type is ¡À1.5%
Media temperature:-40¡æ~+220¡æ
Widely turndown ratio:100:1
Power supply:24VDC&220VAC
Response time:1S

Thermal gas mass flow meter is one kind of precision instrument,ensuring the accuracy is important.
Q&T adopt the critical flow nozzle calibration device to calibrate each gas mass flow meter,the calibration device flow range can reach Min. 0.5m3/h and Max.10000 m3/h .
Nozzle calibration device more ensure the flow meters’ accuracy
Accuracy:
In-line type accuracy:¡À1.0%
Insertion type accuracy::¡À1.5%
Power supply:DC24V and AC220V
Output:4-20mA,Pulse,RS485
Body material:Standard SS304,and SS316 is optional

Thermal gas mas flow meters are measuring the mass flow or volume flow of gas,flow range can do 0.5Nm/s¡«100Nm/s. So this meter also can be used for gas leak detection.
Thermal flow sensor temp is always 30¡æ higher than the medium temperature (environment temperature), and the meter adopts method of constant differential temperature, therefore the meter don¡¯t need temperature and pressure compensation in principle.
Accuracy:
In-line type accuracy:¡À1.0%
Insertion type accuracy::¡À1.5%
Power supply:DC24V and AC220V
Output:4-20mA,Pulse,RS485
Body material:Standard SS304,and SS316 is optional
Velocity:0.1~100Nm/s
Media temperature:-40~+220¡æ

The thermal gas flowmeter is mainly used for measuring gas with low flow and the range could reach 1:100,which is btter than gas flowmeter on market and low flow could be measured,the min.flow velocity can reach 0.1Nm/s and Max. velocity reach 100Nm/s
Media:All gas except acetylene and humid gas
Measure range:1:100
Sesnsor working temperature:-20~220℃
Transmitter working temperature:-20~45℃
Output:4-20mA
Accuracy:±1.0%~±2.5%
Probe material:SS316L
Power supply:24VDC ,220VAC
Response time:1S
Display:4 line digital

Thermal gas mass flowmeter have an impressively high accuracy, short response time and a very wide flow range with virtually no loss of accuracy even at the lowest flow rates.It is designed on the basis of thermal dispersion, and adopts method of constant differential temperature to measuring gas flow. It has advantages of small size, easy installation, high reliability and high accuracy, etc.
Media temperature:-40~+220¡æ
Size£º
Insertion type:DN32~DN4000
Flange type:DN10~DN300
Tri-clamp type :DN10~DN100
Thread type:DN10~DN100

Thermal mass flow meter is precision instruments that can directly measure mass flow,such as industrial gases, compressed gas, and other gases.
Pulse output thermal mass flowmeters are suitable for all industrial and test rig applications that demand quick and precise gas measurement.
Pressure:
Insertion type¡Ü1.6Mpa
Flange type ¡Ü4.0Mpa
Accuracy:
In-line type accuracy:¡À1.0%
Insertion type accuracy::¡À1.5%
Power supply:DC24V and AC220V

Thermal gas mass flow meter is one kind of precision instrument,ensuring the accuracy is important.
Q&T adopt the critical flow nozzle calibration device to calibrate each gas mass flow meter,the calibration device flow range can reach Min. 0.5m3/h and Max.10000 m3/h .
Nozzle calibration device more ensure the flow meters’ accuracy

Intelligent thermal gas mass flow meter with DC4-20mA four-wire output,which is more converient for remote reception.Support MODBUS RTU RS485 protocol.
LCD display thermal gas flow meter is a meter that uses the principle of heat transfer to detect flow.
In-line type accuracy:¡À1.0%
Insertion type accuracy::¡À1.5%
Power supply:DC24V and AC220V
Output:4-20mA,Pulse,RS485

Thermal flow meter is accurate, easy to install, no moving parts and best suitable solution for measuring and controlling compressed Air, oxygen, nitrogen, biogas, digester gases, ethane and natural gas flow. Heat dispersion (mass flow) technology to provide proportional mass flow measurement resulting in higher accuracy performance at a lower cost than orifice flow meter, Vortex flow meter and other gas flow measuring devices.
Power supply:DC24V and AC220V
Output:4-20mA,Pulse,RS485
Body material:Standard SS304,and SS316 is optional
Velocity:0.1~100Nm/s
Media temperature:-40~+220¡æ