... PNP,NO/NC selectable. 2011--SL/SC series Proximity Sensor(Inductance & capactitive) Features:1, High frequency response, long service life ... , paper-making, light industry, etc..2, SL series is inductance proximity switch, mainly for inspection of metal objects. Round shape ... and provide customer PRIVATE brand services so as to achieve mutual benefits and the exchangeof needed goods. you are welcome to ...