Ultrasonic sensors UNAM 18 Ultrasonic distance measuring sensors sample drawing M18 x 1 80 90 70 SW 24 Teach-in LED M12 x 1 general data sample picture scanning range sd 100 ... 1000 mm scanning range close limit Sdc 100 ... 1000 mm scanning range far limit Sde 100 ... 1000 mm repeat accuracy < 0,5 mm resolution < 0,3 mm response time ton < 80 ms release time toff < 80 ms temperature drift < 2 % of distance to target So sonic frequency 240 kHz adjustment Teach-in alignment aid target indication flashing light indicator yellow LED / red LED electrical data voltage supply range +Vs 15 ... 30 VDC output current < 20 mA residual ripple < 10 % Vs short circuit protection yes reverse polarity protection yes voltage output current consumption max. (no load) 35 mA output signal 0 ... 10 V / 10 ... 0 V current output current consumption max. (no load) 55 mA output signal 4 ... 20 mA / 20 ... 4 mA load resistance +Vs max. < 1100 Ohm load resistance +Vs min. < 400 Ohm mechanical data type cylindrical threaded housing material brass nickel plated width / diameter 18 mm height / length 90 mm connection types connector M12 1 www.baumer.com 2/6/2015 Ultrasonic sensors UNAM 18 Ultrasonic distance measuring sensors ambient conditions operating temperature -10 ... +60 °C protection class IP 67 order reference output circuit UNAM 18I6903/S14 current output UNAM 18U6903/S14 voltage output 2 www.baumer.com 2/6/2015