housing material POM operating temperature 0 ... +50 °C type cylindrical threaded special type liquid level sensor for wastewater temperature drift ± 20 % output current < 200 mA GND electrode no reverse polarity protection yes sensitivity adjustment no voltage supply range +Vs 10 ... 30 VDC current consumption max. (no load) 12 mA voltage drop Vd < 2,5 VDC material (screw nut) POM object detection / bulk goods no mounting type non-flush manufacter SKU CFAK 12N3140/L nominal sensing distance Sn 0,1 mm material (gasket) EPDM50 housing length 39,5 mm fill level detection through container no short circuit protection yes switching frequency < 15 Hz protection class IP 67 detection of non-conductive media no connection types cable, 2 m output circuit NPN break function (NC) CFAK 12N3140/L dimension 12 mm liquids in direct contact yes output indicator LED yellow measurement type contact with medium