Factory customized gas flow sensor thermal gas flow meter

Q&T gas mass thermal flow meters are be calibrated by gas venturi sonic nozzle calibration device,and ensure the thermal gas mass flowmeter accuracy can reach 1.0% and 1.5%.
When calibrate thermal flow meter,Q&T will choose four flow velocity points ,then calibrate 3 times each velocity point
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

Pulse output 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
Accuracy:±1.0%~±2.5%
Probe material:SS316L
Power supply:24VDC ,220VAC
Response time:1S
Display:4 line digital

Q&T brand thermal gas flow meter adopt gas venturi sonic nozzle calibration device regular insprction and verification guarantee accuracy and reliability of the calibration device.
According to clients request,Q&T also can apply the CNAS certificates for the thermal flow meter
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

Gas mass flow meter also means thermal gas mass flow meter.
Thermal mass flow meters measure the mass flowrate of fluids by measuring the heat conducted from a heated surface to the flowing fluid. Since a flowing fluid removes a known quantity of heat as it passes, the temperature difference between the heated sensor and the flow stream is directly proportional to the mass flow rate.
Output:4-20mA
Accuracy:¡À1.0%~¡À1.5%
Probe material:SS316L
Power supply:24VDC ,220VAC
Response time:1S
Display:4 line digital

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

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

Compressed air thermal gas mass flow meter is very intelligent gas flow meter and can display Nm3 and Kg unit at same time.
And thermal gas mass flow meter be adopted dual power supply,user can easy to choose the poer spurce.
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.

As the flow meter final manufacturer,OEM and ODM are very normal ,such as Color,Material,Display,Output,Process Connect,Function etc.
Q&T brand thermal mass flowmeters are suitable for all industrial and test rig applications that demand quick and precise gas measurement. The 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.
DC4-20mA four-wire output
Flow unit:Nm3
SS304 rod
All gas except acetylene and humid gas
Measure range:1:100
Sesnsor working temperature:-20~220¡æ
Transmitter working temperature:-20~45¡æ

Thermal gas mass flow meter is one of kind mass flow meter which is popular in industrial.
Thermal gas mass flow meter have many benefits -Wide turndown ratio,low pressure drop,application flexibility and gas mass flow rate measurement.
With RS485 or HART communication
Power supply:24VDC ,220VAC
Accuracy:¡À1.0%~¡À1.5%

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 can measure the flow velocity,so its also named thermal gas velocity meters which maily measure the velocity of air.
Whenever low pressure loss is important in gas industry thermal mass flowmeters offer a real alternative to traditional measuring techniques.
Flow range:1:100
Pressure up to 4.0Mpa
4-20mA is Optical isolation
Power supply:24VDC&220VAC
Response time:1S

Thermal gas air flow meter is according the principle of constant temperature differential method is adopted for this instrument to measure the gas mass flow accurately, featured by small volume, high degree of digitalization, convenient installation and accurate measurement
Thermal gas mass flow meter have many benefits -Wide turndown ratio,low pressure drop,application flexibility and gas mass flow rate measurement.
DC4-20mA four-wire output
Mass flow unit
SS304 rod
Dual power:24VDC,220VAC
Min.Flow veloctiy:0.1Nm/s
Output:4-20mA

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 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 meters require a fully developed flow profile as a prerequisite for correct flow measurement.
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.
Flow range:1:100
Pressure up to 4.0Mpa
4-20mA is Optical isolation
Power supply:24VDC&220VAC
Response time:1S

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

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 gas mass 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 and the range could reach 1:100.
Volume flow /Mass flow
SUS304 body
MODBUS RTU RS485
0.1~100Nm/s
4 lines LCD
EX-PROOF

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

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

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

Gas mass flow meter thermal flowmeters can measure many kinds of dry gas,except acetylena and humid gas.
According to the connection,can produce Flange type,Thread type,Wafer type,Tri-clamp type,Insertion type.
Thermal gas mass flow meter can with DC 4-20mA four-wire output,which is more convenient for remote reception

Insertion type thermal gas mass flow meter need to reserve 20mm mounting hole,which could be used to weld and fix the base,Inline type thermal gas mass flow meter could be min.size 10mm.
Easy installation and maintenance. If the conditions on site are permissible, the meter can achieve a hot-tapped installation and maintenance. (Special order of custom-made)
Output:4-20mA,Pulse,OCT
Communication:RS485
Transmitter working temperature:-10~70¡æ
Sensor wotking temperature:-30~150¡æ
Power supply:DC24V,AC220V

Natural gas thermal mass flow meters measure the mass flowrate of fluids by measuring the heat conducted from a heated surface to the flowing fluid. Since a flowing fluid removes a known quantity of heat as it passes, the temperature difference between the heated sensor and the flow stream is directly proportional to the mass flow rate.
With RS485 or HART communication
Power supply:24VDC ,220VAC
Accuracy:¡À1.0%~¡À1.5%

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.
Natural gas thermal gas mass flow meter can reach 1.0% accuracy and has been calibrated by a third-party laboratory.
Dual power:24VDC,220VAC
Min.Flow velocity:0.1Nm/s
Online installation

Thermal flow meter is one kind of gas mass flow meter, can display mass flow rate and total mass flow
According to request, Q&T can do OEM ,such as display converter color,Display LOGO,Flow unit etc.
Output is 4-20mA,Pulse
Communication is RS485 or HART

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 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

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%

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

Air thermal gas mass flow meter is very intelligent gas flow meter and can display Nm3 and Kg unit at same time.
And thermal gas mass flow meter be adopted dual power supply,user can easy to choose the poer spurce.
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.
Accuracy:
In-line type accuracy:¡À1.0%
Insertion type accuracy::¡À1.5%
Power supply:DC24V and AC220V
Output:4-20mA,Pulse,RS485