nominal sensing distance Sn adjustable 2 ... 15 mm detection of non-conductive media yes reverse polarity protection yes liquids in direct contact yes housing material PBT nominal sensing distance Sn 15 mm manufacter SKU CFAK 18N1200 operating temperature -25 ... +75 °C sensitivity adjustment potentiometer, 12 turn short circuit protection yes GND electrode no voltage drop Vd < 1,5 VDC fill level detection through container yes protection class IP 67/65 (sensing face/sensor) CFAK 18N1200 dimension 18 mm output circuit NPN make function (NO) temperature drift ± 15 % (+10 ... +70 °C) type cylindrical threaded object detection / bulk goods yes output indicator LED yellow housing length 63,5 mm connection types cable, 2 m voltage supply range +Vs 10 ... 30 VDC current consumption max. (no load) 20 mA switching frequency < 50 Hz mounting type non-flush output current < 200 mA