... wires; 3.CE certification. 2011--SG series Photoelectric sensor 1, Principle:photoelectric sensor makes use of inspected object’s sheld ... PNP(normal open or normal closed,current:100--300mA),relay,logicgate,etc,movement distance within 5cm--10m selectable.4, ... Counter, Tacho Meter, Frequency Meter, flowmeter,Timer,Timer Relay, Solid State Relay, Proximity Sensor, ,Pressure sensor ,load cell sensor, KNE ...