Balluff BCS00MF Sensor, Capacitive, M18 Flush, Stn. Stl., 8mm, PNP, NO, M12 connector Overview Balluff BCS Series capacitive sensors monitor and detect stack heights and levels, as well as presence of objects and content in glass, plastic or paper packages with extreme precision. They are unaffected by dust, surface reflections or object composition such as color or texture. Capacitive senso..