Photoelectric Sensors (Background Rejection, Tubular Style): Type - Inductive Proximity, General Purpose Sensor; Sensing Range - 10 mm; Voltage - 10-30V DC; Wires - Voltage Type - 3-Wire DC; Shielding - Shielded; Output Mode - N.O. (NPN); Construction Style - Tubular, Threaded; Diameter - 30 mm Dia.; Material - Stainless Steel; Enclosure Rating IEC - IEC IP68; Switching Frequency - 2 KHZ; Load Current - max - 200 mA; Temperature Rating - -30 deg C (-22 deg F) to F485 deg C (185 deg F); Material - Face - Nonmetallic