measuring distance (to object) 500 mm measuring frequency 500 Hz current consumption max. (no load) 150 mA response time < 2 ms resolution < 0,35 mm front (optics) glass housing material die-cast zinc light source pulsed infrared diode output function Out 1 / Alarm protection class IP 67 baud rate 19200, adjustable output signal 4 ... 20 mA switching output NPN wave length 880 nm reverse polarity protection yes, Vs to GND linearity error relative < 0,3 % voltage supply range +Vs 15 ... 28 VDC interface analog and RS 485 width / diameter 23 mm operating temperature 0 ... +55 °C smallest object recognizable 4 mm manufacter SKU ZADM 023H351.0002 measuring field size 350 mm adjustment Teach-in connection types connector M12 8 pin, rotatable output current < 100 mA type rectangular type measuring mode: edges, center, width