... 2011--SL/SC series Proximity Sensor(Inductance & capactitive) Features:1, High frequency response, long service life(more than 50 million ... , and water-proof; Applicatble with spacing sensor, locating sensor, detection counter sensor, speed sensor in such lines as mechinary, chemical, paper ... 2/3 wires, AC 2/3 wires, various movement distance within 1-50mm selectable. Ouput current: 100, 200, ...