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