Photoelectric Sensors (Background Rejection, Tubular Style): Type - Inductive Proximity, General Purpose Sensor; Sensing Range - 1.5 mm; Voltage - 8.2V DC; Wires - Voltage Type - 2-Wire DC; Shielding - Shielded; Output Mode - NAMUR, N.C.; Connection Type - Cable; Connection Size - 2m (6.5 ft); Construction Style - Tubular, Threaded; Diameter - 18 mm Dia.; Material - Stainless Steel; Enclosure Rating IEC - IEC IP66/IP68; Switching Frequency - 400 Hz; Temperature Rating - -25 deg C (-13 deg F) to F485 deg C (185 deg F); Material - Face - Nonmetallic