Baumer URDK 30N1703/S14 Ultrasonic Retroreflective Sensor, 12-30VDC, 0-1000 Scanning Range Sd, Potentiometer, NPN, NO, M12 Connector, 65 x 30 x 31mm HWD Rectangular Shape, Polyester/Die-Cast Zinc Housing, -10 to +60°C, IP67 $834.00 Select