7. Technical specifications
All specifications listed in the following table unless otherwise noted apply for calibration conditions
at 20°C and 101.325 kPa absolute pressure with air. The product is horizontally mounted at
calibration.
MF5706 MF5708 MF5712 Unit
Full-scale flow range 0~20 0~100 0~250 SLPM
Accuracy ±(2.0+0.5FS) %
Repeatability 0.5 %
Turn-down ratio 80:1
Response time <2.0 sec
Working temperature -10~55 °C
Maximum pressure 0.8 MPa
Humidity <95, no condensation %RH
Maximum over flow 100 200 400 SLPM
Maximum flow change 15 30 60 SLPM/sec
Pressure loss 0.6 1.0 2.0 kPa
Power supply 4-AA batteries (LR6) / 5~24 Vdc
Power consumption >60 (on batteries) day
Power / data interface USB Type-C
Digital output RS485 Modbus half-duplex
Wireless options LoRa / WIFI / NB-IoT / BT LE
Display LCD
Resolution 0.01 L/min (instant) / 1 L (accumulated)
Mechanical connection
BSPP 1/4 BSPP 3/8” BSPP 1/2”
or NPT 1/4” or NPT3/8” or NPT/ 1/2”
Storage temperature -20 ~ 70 °C
Reference conditions 20°C, 101.325 kPa, air
Protection IP50
Fluid compatibility Non-corrosive
CE EN61326-1; -2; -3
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