MF5712 Gas mass flow meter suitable for different gas (Like air, compressed air, oxygen, nitrogen, CO² and other inactive gas ect. ) 
Instant flow rate testing and Flow accumlation  calculation.

Features and Applications:

Ultra low power by batteries or optional external AC adaptor

Protable design, small and easy to install

MEMS technology, achieve small gas flow rate testing, high accuracy.

RS485 Modbus protocol ready for networking

User programmable range alarm for safety and other monitoring/control functionality


  • Specification:



ModelMF5712
Flow range0-200L/Min
Accuracy± (2.5+0.5FS)%
Repeatability0.5%
Response time≤ 2sec
Power supply4*AA Batteries or  External AC adaptor
Power dissipation≤ 10mW
OutputRS485 (optional)
DisplayLCD
Display unitInstant flow rate:  SLPM(L/min); Flow accumlation: NCM(m3)
Display resolution 0.1L/Min
FunctionsPassword Setting; Total Setting & Resetting; Alarm function
Working pressure ≤ 0.8MPa
Working temperature  -10 ～ +55℃
Pressure loss  ≤ 2000Pa
Coutinuous Working time> 60 days (with batteries)
Standard calibration gasNitrogen, 20°C,  101.325kPa
User interface miniUSB
DN 12mm
Mechanical connection  NPT 1/2
Weight  350g
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