Series LOFM Low-Flow Electromagnetic Flow Sensor

HDPE Plastic Body, Pulse, Frequency and Analog Output

This product is currently unavailable. See Series MFS2 and Series MFS for suggested replacements.


Compatible clean or dirty non-coating, conductive liquids.
LOFM-1: 0.2 to 20 GPM (0.01 to 1.3 l/s); LOFM-2: 0.03 to 3 GPM (0.002 to 0.2 l/s).
Wetted Materials:
Body: PVDF; Electrodes: PVDF carbon-fiber filled; Ground: PVDF carbon-fiber filled; Fittings: PVDF; Adapters: PVC or PVDF; O-rings: EPDM or Fluoroelastomer (for NPT fitting only).
LOFM-1: +1% of reading, +0.005 GPM; LOFM-2: +1% of reading, +0.002 GPM.
Temperature Limits:
Process: 32 to 200°F (0 to 93°C); Ambient: 0 to 130°F (-18 to 54°C).
Pressure Limit:
150 psi (10.3 bar).
Process Connections:
Flaretek® fittings standard in 3/4 or 3/8" flowbody (NPT threaded adapters also available).
Current sinking, square wave pulse, opto-isolated, 30 VDC @ 5 mA max. and 4 to 20 mA; LOFM-1: 1892 pulses/gal (500 pulses/L); LOFM-2: 3785 pulses/gal (1000 pulses/L).
Power Requirements:
10 to 15 VDC, 150 mA (linear power supply recommended).
> 20 microSiemens.
Enclosure Material:
HDPE with glass fiber.
Enclosure Rating:
NEMA 4X (IP66).
2.20 lb (1.00 kg).


  • Low Cut Off Flow Rate
    • No Metal Parts
    • No Moving Parts
    • No Straight Pipe Requirements


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