Insertion type compress air thermal gas mass flow meter

Thermal gas mass flow meter be adopted LCD converter and its most commonly used to measure the mass flow of clean gases, such as air, nitrogen, hydrogen, helium, ammonia, argon, and other industrial gases.
According to the connect,thermal gas mass flow meter have flange type,thread type,tri-clamp type,wafer type,inertion type etc.
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

Sometimes thermal gas mass flow meter be used to measure the dangerous gas,such as Natural gas,H2,O2 etc.So the thermal flow meter need with Ex-proof function.
Except above gas,mass flow meter also can measure N2,Ar,Air,CO2 etc
Flow measurement up to 24 points
Correction of output analog quantity Multipoint nonlinear curve correction
Flow and temperature detection at the same time, switch display
Digital LCD display
Stainless steel body
Output:4-20mA,Pulse,RS485
Accuracy:
In-line type accuracy:¡À1.0%
Insertion type accuracy::¡À1.5%

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

Wafer type thermalg gas mass flow meter is an instrument which measures fluid flow by means of heat conduction.
Straight pipe runs can be reduced by using dual-plate flow conditioning elements and installation is very simple with minimal pipe intrusions.
Body material is SS304
Large diameter, low flow rate, negligible pressure loss

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 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 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

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

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 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

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%

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 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 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%

Pulse output thermal gas mass flowmeters is one kind of instrument that measures the gas mass flowrate.
Thermal gas flow meter can be divided into inline type and isert type according to the instructure.
With RS485 or HART communication
Power supply:24VDC ,220VAC
Accuracy:¡À1.0%~¡À1.5%

For the insertion type instrument, on the premise that both the measuring media and field environment are applicable for online dismantlement with non-stop operation, it is viable to have maintenance operation with non-stop operation relying on its special structure.
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 flowmeter for natural gas
As one kind gas flow meter,thermal gas mass flow meter also can measure natural gas.
Compared to gas turbine flow meter,the thermal gas mass flow meter is cost-effective and have a wide measurement trundown ratio.

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

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 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

Theemal 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.
Widely turndown ratio:100:1
Power supply:24VDC&220VAC
Response time:1S

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 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

As the important gas flow meter,thermal gas flow meter is very popluar to measure various of dry gas.
This gas mass flow meters are be calibrated by sonic nozzle,current the snoic nozzle is more better clibration device for gas flow meter,and ensure the accuracy during calibrating
Pressure up to 4.0Mpa
Dural power:24VDC,220VAC
4-20mA is Optical isolation
Power supply:DC24V and AC220V
Output:4-20mA,Pulse,RS485
Body material:Standard SS304,and SS316 is optional

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
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 flow meter mainly measure various of gases ,special dry gases,but thermal gas mass flow meter can’t measure acetylene.
In many applications, the thermal properties of the fluid can be dependent upon fluid composition. In such applications, varying composition of the fluid during actual operation can affect the thermal flow measurement. Therefore, it is important for the thermal flow meter supplier to know the composition of the fluid so that the proper calibration factor can be used to determine the flow rate accurately
Widly flow range ratio:1:100
Display:4 line digital
With RS485 or HART communication
Power supply:24VDC ,220VAC
Accuracy:¡À1.0%~¡À1.5%

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.

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

According the installation,thermal gas mass flow meter is divide into insertion type and inline type.
Whatever insertion or inline gas mass flow meter,they all have no moving parts and measure the mass of the fluid directly.This make thermal gas mass flow meter measure the standardized volumetric flow rates and totals without the need for temperature or pressure compensation
Velocity:0.1~100Nm/s
Output:4-20mA,Pulse,RS485
Body material:SS304
Alarm output:1-2 relay
Pressure up to 4.0Mpa

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