... switch. 2.Output:NPN or PNP,NO/NC selectable. 2011--SL/SC series Proximity Sensor(Inductance & capactitive) Features:1, High ... lines as mechinary, chemical, paper-making, light industry, etc..2, SL series is inductance proximity switch, mainly for inspection of metal ... Phone: 086-13217608016(Barbara Guo) 086-13435730867(Peter Liao) 2011--SL/SC series Proximity Sensor(Inductance & capactitive)