Ifm electronic ie5343 inductive proximity sensor m8 metal thread 2 or 3 wire ifm electronic ie5343 this inductive proximity sensor has a sensing range of 3mm and can operate as either a 2 wire or a 3 wire sensor a robust brass housing has an m8 x 1 thread and the sensor is flush mountable suitable for industrial applications ifm ie5343 inductive proximity sensor m8 metal thread 2 or 3 wire