The Contrinex UST-M18MS-TMS-101 Ultrasonic Sensors offers 100...900 mm operating range, 10...30 supply voltage, NO (default)/NC + NO (default)/NC output, M12 4-pin connection. Manufactured by Contrinex under the Contrinex Ultrasonic Sensor category, this model belongs to the Contrinex USR/UST Series.