Proximity Sensor 1,SL is inductance proximity switch,SC is capacitive proximity switch. 2.Output:NPN or PNP,NO/NC selectable. 2011 ... and interface, various dimensions available3, SC series is capacitive proximity switch,universal inspection for metal, plastic, glass, water, oil, ... or PNP, NO/NC selectable. Wiring: DC 2/3 wires, AC 2/3 wires, various movement distance within 1-50mm selectable. Ouput ...