Pepperl + Fuchs Capacitive Threaded Barrel Proximity Sensor, M12, 4 mm Detection, PNP NO, 10 → 36 V dc

Stainless steel housing with PBT sensing face
Senses a wide variety of materials (see table)
Switching distance adjustment can be set over a wide range with the potentiometer
LED indicator
M12 version - 50mm overall length (fully threaded)
M18 version - 65mm overall length and 75.5mm (fully threaded)
M30 versions - 79mm overall length (60mm thread)
For mounting brackets see stock nos. 280-6844, 280-6850 & 280-6866 respectively

Stock no. 307-395 cannot be powered up without a load connected.

Pepperl & Fuchs

Capacitive sensors can also be used to detect non metallic materials i.e. plastic, paper, fluids etc. Can be used for the detection of levels, or as a hand-held switch.