The IFRM 03P1501/L is a distance measuring device produced by Baumer. It is a single-beam, ultrasonic sensor and can measure distances up to 8 m. It features a rugged and weatherproof housing, a wide ambient temperature range, integrated temperature compensation, and infrared backreflection detection. It can be used for a variety of applications, including rangefinding, distance measurement, obstacle detection, and more.