Digital Mass Flow Sensor

KLFMA Series

Digital Mass Flow Sensor

  • Maximum applied voltage: 28V,  Maximum load current: 80mA, Internal voltage drop: less than 1V
  • D-analog output: 4~20mA Load impedance: 50~600Ω
Series KLFMA
Type KLFMA 0125 KLFMA 01100 KLFMA 01200 KLFMA 02500 KLFMA 021000 KLFMA 022000
Fluid Medium Dry air, N2, CO2, Ar Dry air, N2
Flow Flow Range (L/min) Air,N2 0.2~25 1~100 2~200 5~500 10~1000 20~2000
CO2 0.2~12.5 1~50 2~100 - - -
Setting Flow Range Instantaneous Flow 0.1 L/min 1 L/min 1 L/min
Cumulative Flow 1 L 10 L
Accumulated Pulse Output (L/pulse) 0.1 1 1 10 10 10
Pressure Pressure Range -0.1~0.75 MPa 0~0.8 MPa
Max. Pressure 1.0 MPa
Electrical Supply Power DC12~24V±10%
Current Consumption 35mA 以下 55mA 以下
Accuracy Display Accuracy ±3% F.S. ±1 digit
Analog Output Accuracy ±3% F.S.
Repeat Accuracy ±1% F.S. ±1 digit (±2% F.S. ±1 digit when digital filter 0.05s is selected)
Temperature ±5% F.S. ±1 digit (0~50C: 25℃ reference)
Switch Output Output Form NPN open collector
Output Mode Hysteresis mode/upper and lower limit comparison
mode/accumulated pulse output mode
Error output mode/switch output OFF mode
On/Off NPN/PNP open collector
Max. Load Current 100mA
Max. Supply DC30V
Internal Voltage Drop NPN: 1V or less (load current 80mA)
Response Time 50ms or less
Short Circuit Protection Yes
Analog Output Output Form Current output: 4~20mA
Impedance Voltage Output Output impedance: about 1kΩ
Current Output Maximum load impedance: 600Ω when power supply voltage is 24V, 300Ω when power supply voltage is 12V
Response Time 50ms±40%