... . 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 ... models of products, including Temperature Controller, Digital Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter ...