switching frequency < 50 Hz liquids in direct contact yes current consumption max. (no load) 20 mA voltage supply range +Vs 10 ... 30 VDC reverse polarity protection yes output indicator LED yellow voltage drop Vd < 1,5 VDC type cylindrical threaded connection types cable, 2 m nominal sensing distance Sn 5 mm detection of non-conductive media yes short circuit protection yes object detection / bulk goods yes CFAK 18N1100 dimension 18 mm mounting type non-flush GND electrode no housing length 63,5 mm manufacter SKU CFAK 18N1100 output circuit NPN make function (NO) protection class IP 67/65 (sensing face/sensor) fill level detection through container yes output current < 200 mA temperature drift ± 15 % (0 ... +70 °C) housing material PBT operating temperature -25 ... +75 °C sensitivity adjustment no