![Walchem WFM Series Water Meter Contactors, 1" NPT Male, Reed Switch, Pulses/gallon Walchem WFM Series Water Meter Contactors, 1" NPT Male, Reed Switch, Pulses/gallon](https://cdn11.bigcommerce.com/s-xxofluljba/images/stencil/448x448/products/68861/62870/wfm__10185__38699.1708514728.png?c=1)
Walchem
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The Walchem WFM Series Water Meter Contactors are precision flow measurement devices designed to deliver accurate and reliable water flow monitoring in a range of industrial and commercial applications. Featuring a 1 1/2" NPT male connection and utilizing a reed switch mechanism, these contactors are engineered for high-performance and durability.
Power
Sensor | Reed switch | Hall effect |
Max.Current | 20 mA | 20 mA |
Max.voltage | 24 VDC or VAC | 24 VDC |
Power | None | min 6mA @ 12VDC |
Pressure: Maximum 150 psi operating
Temperature: Maximum 105ºF (40ºC)
Cable Length: 12 ft. standard, 2000 ft. max.
Materials of Construction:
Body: Cast Bronze
Internals: Engineered Thermoplastic
Magnet: Alnico
Flow Rates (GPM):
Size | Minimum | Maximum |
¾” | 0.22 GPM | 22 GPM |
1” | 0.44 GPM | 52 GPM |
1½ ” | 0.88 GPM | 88 GPM |
2” | 1.98 GPM | 132 GPM |
Accuracy ± 1½ % of reading