connection types cable, 2 m special type liquid level sensor for wastewater liquids in direct contact yes fill level detection through container no reverse polarity protection yes output current < 200 mA current consumption max. (no load) 12 mA nominal sensing distance Sn 0,1 mm sensitivity adjustment no object detection / bulk goods no output indicator LED yellow output circuit NPN make function (NO) housing length 39,5 mm housing material POM measurement type contact with medium protection class IP 67 short circuit protection yes manufacter SKU CFAK 12N1140/L CFAK 12N1140/L dimension 12 mm temperature drift ± 20 % type cylindrical threaded material (screw nut) POM GND electrode no voltage supply range +Vs 10 ... 30 VDC operating temperature 0 ... +50 °C material (gasket) EPDM50 mounting type non-flush detection of non-conductive media no voltage drop Vd < 2,5 VDC switching frequency < 15 Hz