Description
Optical Level Sensor (OS-1) This sensor plugs into your FMM and, the usage of reflected infrared light, will signal your Apex when it changes state from being wet to dry or dry to wet. This sensor can be utilized for constructing your personal ATO (auto-best-off), as a prime-level warning sensor on your sump, water storage level sensor, and a lot more. The sensors will also be mounted into custom brackets or through a hole in a vessel. Included are a fastening nut and silicone washing machine. These sensors are sold for my part.
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