Gas mass flowmeter LPG thermal flow meter

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 with DC4-20mA four-wire output,which is more converient for remote reception.Support MODBUS RTU RS485 protocol,coording the receiving system to collect more data and modify system and Q&T brand thermal gas mass flow meter already got CE ,Ex-Proof certificates
Pressure:
Insertion type¡Ü1.6Mpa
Flange type ¡Ü4.0Mpa

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 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
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

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

4-20mA ouput thermal gas mass flow meter is on kind flow meter for direct mass measurementt of Air,N2, CO2,Natrual gas ect.
Whenever low pressure loss is important in gas industry thermal mass flowmeters offer a real alternative to traditional measuring techniques.
Whatever for process control, consumption and supply monitoring, detecting leaks or monitoring distribution networks. Using insertion versions, it is also possible to measure gas flows in very large pipelines or in rectangular ducts.
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 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.
SUS304 body
MODBUS RTU RS485
0.1~100Nm/s
4 lines LCD
EX-PROOF

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

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

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

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 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

4-20mA ouput thermal gas mass flow meter is on kind flow meter for direct mass measurementt of Air,N2, CO2,Natrual gas ect.
Whenever low pressure loss is important in gas industry thermal mass flowmeters offer a real alternative to traditional measuring techniques.
Whatever for process control, consumption and supply monitoring, detecting leaks or monitoring distribution networks. Using insertion versions, it is also possible to measure gas flows in very large pipelines or in rectangular ducts.

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

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

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 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

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

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.
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.
Accuracy:¡À1.0 %
4-20mA is Optical isolation
Body material:Standard carbon steel,SS304 and SS316 are optional

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.

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

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
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%

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

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

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

Except insert type,Q&T also can manufacture Flange thermal flow meter,Thread thermal flow meter ,Wafer type thermal flow meter,Tri-clamp type thermal flow meter .
Q&T also can do OEM for clients,such as Display,Color,Output etc.
Insertion type:DN32~DN4000
Flange type:DN10~DN300
Tri-clamp type :DN10~DN100
Thread type:DN10~DN100

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

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