protection class IP 50 connection types cable 3 pin, 2 m output indicator LED red sensitivity adjustment no output function light / dark operate switchable depth 26 mm short circuit protection yes width / diameter 16 mm current consumption max. (no load) 25 mA max. thickness of the pipe / tube 1 mm operating temperature -10 ... +55 °C output current < 100 mA light source pulsed infrared diode wave length 950 nm manufacter SKU FFDK 16P50Y5 type rectangular max. outer diameter of the pipe / tube 3 ... 7 mm output circuit PNP response time / release time < 2 ms height / length 28 mm voltage drop Vd < 1 VDC voltage supply range +Vs 10 ... 30 VDC reverse polarity protection yes housing material PC type liquid level sensor