Proximity Sensor, 2 or 4-Wire AC, 18mm Diameter, Shielded, Tubular:Stainless Steel, 5mm Sensing Distance, N.O. and N.C. Output, PVC CablePROXIMITY SENSOR DATAProximity Sensor Type2-Wire or 4-Wire AC Ferrous SelectiveOutput ConfigurationN.O. and N. C...