operating temperature 0 ... +55 °C protection class IP 67 current consumption max. (no load) 120 mA manufacter SKU ZADM 034I240.0001 measuring field size 24 mm short circuit protection yes smallest object recognizable 1 mm reverse polarity protection yes, Vs to GND voltage supply range +Vs 12 ... 28 VDC measuring distance (to object) 0 ... 40 mm response time < 0,5 ms output indicator LED yellow linearity error ± 0,4 mm (S = 0...40 mm) ± 0,2 mm (S = 20...40 mm) wave length 880 nm output circuit analog light source pulsed infrared diode output signal 4 ... 20 mA front (optics) glass resolution < 0,05 mm connection types connector M8 4 pin type measuring mode: edges, width width / diameter 34 mm housing material aluminum type rectangular, side view repeat accuracy < 0,05 mm measuring frequency 1800 Hz power on indication LED green