detection of non-conductive media yes output current < 200 mA operating temperature -25 ... +75 °C voltage drop Vd < 1,5 VDC reverse polarity protection yes GND electrode yes sensitivity adjustment potentiometer, 15 turn switching frequency < 50 Hz liquids in direct contact no current consumption max. (no load) 20 mA CFDK 30N1600/S14 dimension 30 mm output circuit NPN make function (NO) fill level detection through container yes protection class IP 65 manufacter SKU CFDK 30N1600/S14 housing length 75 mm nominal sensing distance Sn 15 mm output indicator LED yellow mounting type flush object detection / bulk goods yes housing material PBT temperature drift ± 15 % (+10 ... +70 °C) short circuit protection yes type rectangular nominal sensing distance Sn adjustable 4 ... 15 mm connection types connector M12 voltage supply range +Vs 10 ... 30 VDC