Neptune Systems

Neptune Systems Optical Sensor with Magnetic Mount

  • Sale
  • Regular price $ 35.00

Neptune Systems OS-1-M Optical Level Sensor with Magnetic Mount

This sensor plugs into the Neptune Systems Apex FMM (Flow Monitoring Module) and, using reflected infrared light, will signal your Apex when it changes state from being wet to dry or dry to wet. This sensor can be used for constructing your own ATO (auto-top-off), as a high-level warning sensor in your sump, water storage level sensor, and much more. The sensors can be mounted into custom brackets or through a hole in a vessel. Included are a fastening nut, silicone washer and magnetic mount. These sensors are sold individually. 


  • Cable length: 10 feet / 3m
  • Hole size: 9/16" / 15mm

What`s Included?

1x OS-1 Optical Level Water Sensor

1x OS-M Optical Sensor Magnetic Mount