Optical level probe with modulated infrared light for detection of liquids. Selfcontained unit has built-in amplifier. Separate transmitting and receiving elements sealed behind the tip. Designed for direct mounting through the wall of a tank. The polysulphone tip is especially resistant to most acids and bases.
Output: NPN or PNP, 4-wire (NO & NC)
Housing: Stainless steel or nickel plated brass
Tip: Polysulphone or glass
High chemical resistance to most acids and bases
Liquid and electrical circuit completely isolated
Power supply: DC models 10 to 40 VDC