Capacitive proximity sensors CFAK 12P1140/L Capacitive proximity sensors dimension drawing M12 x 1 39,5 SW 17 32,5 21,5 7 1,2 ø 29,5 LED ø 10,6 general data photo special type liquid level sensor for wastewater nominal sensing distance Sn 0,1 mm mounting type non-flush GND electrode no temperature drift ± 20 % sensitivity adjustment no output indicator LED yellow measurement type contact with medium electrical data voltage supply range +Vs 10 ... 30 VDC current consumption max. (no load) 12 mA output circuit PNP make function (NO) output current < 200 mA voltage drop Vd < 2,5 VDC switching frequency < 15 Hz short circuit protection yes reverse polarity protection yes connection diagram BN (1) PNP mechanical data type cylindrical threaded housing material POM material (screw nut) POM material (gasket) EPDM50 dimension 12 mm housing length 39,5 mm connection types cable, 2 m +VS BK (4) BU (3) output Z 0V for installation in grounded metal container for use in contaminated media like blackwater ambient conditions operating temperature 0 ... +50 °C protection class IP 67 switches in contact with highly conductive media field of application detection of non-conductive media no fill level detection through container no liquids in direct contact yes object detection / bulk goods no www.baumer.com 24/4/2015