... . 2.Output:NPN or PNP,NO/NC selectable. 2011--SL/SC series Proximity Sensor(Inductance & capactitive) Features:1, ... mechinary, chemical, paper-making, light industry, etc..2, SL series is inductance proximity switch, mainly for inspection of metal ... Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter,Timer,Timer Relay, Solid State ...