release time < 2,7 ms response time < 1 ms sensing distance adjustment Teach-in voltage drop Vd < 2,8 VDC sensing distance Tw 17 ... 120 mm width / diameter 12,4 mm light source pulsed red laser diode type background suppression protection class IP 67 wave length 675 nm reverse polarity protection yes, Vs to GND connection types connector M8 4 pin laser class 2 power on indication LED green housing material die-cast zinc manufacter SKU OHDM 12P6901/S35A sensing range Tb (at Tw min.) 16 ... 17 mm height / length 37 mm beam diameter 0,9 ... 0,5 mm output circuit PNP depth 34,5 mm output current < 100 mA short circuit protection yes type rectangular output function light / dark operate operating temperature 0 ... +50 °C current consumption max. (no load) 80 mA light indicator LED red sensing range Tb (at Tw max.) 16 ... 120 mm current consumption typ. 40 mA front (optics) glass voltage supply range +Vs 12 ... 28 VDC