The Carlo Gavazzi Optical level sensor with modulated infrared light for detection of liquids. The self contained unit has built in amplifier. Separate transmitting and receiving elements sealed behind the tip. This sensor is designed for direct mounting through the wall of a tank. The polysulphide tip is especially resistant to most acids and bases. The liquid and electrical circuit is completely isolated.

Modulated light
High chemical resistance
IP67 degree of protection
Reverse polarity protection
Short circuit and transients protection