Capacitive proximity sensors CFAK 18 (Sn = 15 mm) Capacitive proximity sensors sample drawing 40,5 M18 x 1 63,5 SW 24 Pot LED general data sample picture nominal sensing distance Sn 15 mm nominal sensing distance Sn adjustable 2 ... 15 mm mounting type non-flush GND electrode no temperature drift ± 15 % (+10 ... +70 °C) sensitivity adjustment potentiometer, 12 turn output indicator LED yellow electrical data voltage supply range +Vs 10 ... 30 VDC current consumption max. (no load) 20 mA output current < 200 mA voltage drop Vd < 1,5 VDC switching frequency < 50 Hz short circuit protection yes reverse polarity protection yes mechanical data type cylindrical threaded housing material PBT dimension 18 mm housing length 63,5 mm connection types cable, 2 m ambient conditions operating temperature -25 ... +75 °C protection class IP 67/65 (sensing face/sensor) field of application detection of non-conductive media yes fill level detection through container yes liquids in direct contact yes object detection / bulk goods yes 1 www.baumer.com 2/6/2015 Capacitive proximity sensors CFAK 18 (Sn = 15 mm) Capacitive proximity sensors order reference output circuit CFAK 18N1200 NPN make function (NO) CFAK 18N3200 NPN break function (NC) CFAK 18P1200 PNP make function (NO) CFAK 18P3200 PNP break function (NC) 2 www.baumer.com 2/6/2015