Baumer UNCK 09U6914/D1 Ultrasonic Distance Measuring Sensor, 15-30VDC, 3--150mm Sensing Range (Sd, Sdc, Sde), Teach-in, Voltage Output, 2m PUR Cable, 0 to +60°C Operating Temperature, IP67, 82 x 8.6 x 24.5mm (HWD) $789.00 Select