Ultrasonic sensors UNAM 18N3703 Ultrasonic proximity sensors dimension drawing M18 x 1 78 89 SW 24 Pot LED general data photo scanning range sd 100 ... 700 mm scanning range far limit Sde 110 ... 700 mm hysteresis typ. 4 % Sde repeat accuracy < 0,5 mm synchronization yes temperature drift < 0,18 % Sde/K response time ton (sync on) < 50 ms release time toff (sync on) < 50 ms sonic frequency 240 kHz adjustment potentiometer alignment aid target indication flashing output indicator LED green electrical data connection diagram voltage supply range +Vs 12 ... 30 VDC current consumption max. (no load) 30 mA output circuit NPN break function (NC) BN (1) output current < 200 mA BK (4) voltage drop Vd < 2 VDC residual ripple < 10 % Vs short circuit protection yes reverse polarity protection yes NPN +VS Z BU (3) WH (2) output 0V control mechanical data type cylindrical threaded housing material brass nickel plated width / diameter 18 mm height / length 89 mm connection types cable, 2 m with synchronization output ambient conditions operating temperature -10 ... +60 °C protection class IP 67 UNAM 18N3703 www.baumer.com 8/1/2014