OS-1 Optical Level Sensor V2 temperature This added seal helps reduce

This added seal helps reduce salt creep buildup and keeps the sump area cleaner long term

The automatic flush at start up helps to eliminate TDS Creep and extends DI life

Traditionally float switches have been the most commonly used types of these devices

I/O Switch Inputs for ATO

Unlike other similar products

OS-1 Optical Level Sensor V2 temperature This added seal helps reduceOptical sensors are the go to sensor if you want a reliable sensor over a long period. The Neptune Optical Sensor plugs directly into the FMM allowing you to monitor the level of your sump, mixing station, or any other reservoir with liquid in it. This sensor plugs into your FMM 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