... large than proximity switch,up to 10m;can drive relay,AC contactor or logicgate.Widely used in process controling and monitoring ... ,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 ...