Capacitive sensors are electronic transducers that generate an output signal when any solid or liquid material (wood, metal, plastic, water, alcohol, etc.) enters their sensitive area, without necessarily coming into contact with them.
They can be used for applications such as transit checks, part counting and level controls for liquids or ground and granular solids. They sense the presence of liquids or solids, including through non-metallic containers, without coming into contact with the material being monitored; for example, they can verify the transit of ground or granular products through tubes or plastic or plexiglass panels in milling plants or pasta factories. The electrical specifications include 3 and 4-wire, amplified direct current sensors and 2-wire, amplified alternating current sensors.
The capacitive proximity sensors consist of cylindrical M18 and M30 threaded bodies with fixing rings, and are available in a wide range of electrical and mechanical configurations, rapid or delayed intervention and connector or hard-wired versions.
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