output indicator LED yellow protection class IP 67 housing material aluminum voltage supply range +Vs 12 ... 28 VDC type measuring mode: edges, width reverse polarity protection yes, Vs to GND repeat accuracy < 0,05 mm linearity error ± 0,4 mm (S = 0...40 mm) ± 0,2 mm (S = 20...40 mm) measuring field size 24 mm response time < 0,5 ms operating temperature 0 ... +55 °C width / diameter 34 mm short circuit protection yes measuring distance (to object) 0 ... 40 mm front (optics) glass output signal 4 ... 20 mA wave length 880 nm light source pulsed infrared diode manufacter SKU ZADM 034I240.0021 power on indication LED green current consumption max. (no load) 120 mA measuring frequency 2000 Hz connection types connector M8 4 pin resolution < 0,05 mm smallest object recognizable 1 mm output circuit analog type rectangular, front view