Balluff BCS M12B4G2-POC40D-S04K Capacitive Sensor 12 x 75 mm, 10-30 VDC, IP67, PNP NC

Capacitive sensors for object detection feature a straight-line electrical field. They detect both solid bodies, such as wafers, PCBs, cartons, paper stacks, bottles, plastic blocks and plates, and liquids through container walls or glass or plastic tubes (thickness max. 4 mm).