voltage drop Vd < 2 VDC type cylindrical wave length 880 nm short circuit protection no output indicator LED yellow sensitivity adjustment potentiometer, 15 turn thread G 3/8" material (sensing device) polysulphone nominal pressure (probe tip) 10 bar current consumption max. (no load) 15 mA operating temperature 0 ... +65 °C output circuit NPN output current < 200 mA housing material polysulphone type liquid level sensor protection class IP 67 height / length 81,5 mm measurement type contact with medium output function normally open (NO) width / diameter 30 mm connection types cable 3 pin, 2 m voltage supply range +Vs 10 ... 30 VDC reverse polarity protection yes, Vs to GND manufacter SKU FFAK 17NTD1002/L light source pulsed infrared diode