283-599, Telemecanique Sensors, Telemecanique Sensors Ultrasonic Threaded Barrel Proximity Sensor, M18, 150 mm Detection, PNP/NPN 2NO, 12 → 24 V Telemecanique Sensors Ultrasonic Threaded Barrel Proximity Sensor, M18, 150 mm Detection, PNP/NPN 2NO, 12 → 24 V