switching frequency < 50 Hz type cylindrical threaded protection class IP 65 mounting type flush current consumption max. (no load) 20 mA reverse polarity protection yes fill level detection through container yes GND electrode yes housing length 64 mm connection types cable, 2 m CFAM 18N1600 dimension 18 mm sensitivity adjustment potentiometer, 12 turn output indicator LED yellow object detection / bulk goods yes housing material brass nickel plated nominal sensing distance Sn adjustable 2 ... 8 mm operating temperature -25 ... +75 °C temperature drift ± 15 % (+10 ... +70 °C) nominal sensing distance Sn 8 mm voltage supply range +Vs 10 ... 30 VDC detection of non-conductive media yes manufacter SKU CFAM 18N1600 short circuit protection yes liquids in direct contact no voltage drop Vd < 1,5 VDC output circuit NPN make function (NO) output current < 200 mA