Capacitive level sensors are used for the non-contact detection of any objects. In contrast to inductive sensors, which only detect metallic objects, capacitive sensors can also detect nonmetallic materials.
The KN/KI5 level switch from ifm electronic enables safe and reliable detection of powders and liquids even through nonmetallic vessels. The sensors feature high operational reliability due to increased noise immunity caused for example by frequency converters, mobile telephones or electrostatic discharge. The user has the choice between DC and AC units. The universal switching output can be programmed to be either NC or NO.
The sensors have an adjustable sensing range up to 15 mm through a potentiometer and the resistant plastic housing makes them suitable for various applications. Different connection options include cable, connector or terminals, and types with a programmable output function are available. The sensors have a 10 to 36 V DC or 20 to 250 V AC/DC voltage range.
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