Optical level sensor with modulated, infrared light for the detection of liquids. Fitted with built-in amplifier. Transmitter and receiver are completely self-contained in solid plastic housing designed for mounting into container wall. VP01/02 are available in a Polysulphone housing resistant to most acids and bases. VP03/04 are available in a Polyamide 12 housing resistant to various solvents. VP05/06 are available in TPX housing. VP23/24 are available in a stainless steel housing.
General Characteristics
Modulated infrared sensor for liquid level detection.
Built-in amplifier, Ga-As diode.
Output: Transistor NPN/PNP, make or break switching.
High chemical resistance to most acids and bases.
VP01/03/05/23: Output OFF when sensor in liquid.
VP02/04/06/24: Output ON when sensor in liquid.
No electrical or thermal connection between liquid and electrical circuit.