177-8903, Telemecanique Sensors, Telemecanique Sensors Ultrasonic Threaded Barrel Proximity Sensor, M18, 1 m Detection 0-10 V, 12 → 24 V dc Telemecanique Sensors Ultrasonic Threaded Barrel Proximity Sensor, M18, 1 m Detection 0-10 V, 12 → 24 V dc