Long Range Proximity Sensor - 8 mm Diameter, Shielded, Normally Open - NPNThis long range 8 mm diameter shielded proximity sensor is Normally Open, in other words, it actuates (turns On) when metal enters the sesning field. This model features an extended 4mm range. This inductive proximity sensor has a threaded housing, and should be secured into an M8 x 1 threaded hole with thread locker. If the sensor is to be removed from the die during maintenance, epoxy it into a removable bushing or insert. All of Wintriss's