China Count Up Timer

China Count Up Timer 4 Digit LED Counter Meter Product Description High-speed IC,bright red LED,easy to install. Good stability, strong Anti-interference. Counting value be retained when power failure. Widely use in Automatic Burden System,Winding Machine,packaging machinery,textile machinery,ect. The meter retain the number automatically when power cut off. Specifications Power supply:DC12V DC Current:30mA Sign:Pulse signal,NPN 3 wires normally closed trigger mode: rising edge Display dimension: 0.56″ RED Reset signal:Pulse or switch Counting:Plus or minus Response frequency: 100HZ Display range:0-9999 Panel cutout dimension:76.5mm*39.2mm Overall dimension: 79mm*43mm*30.5mm Sensor dimension: M12x37mm. Detection range: 10mm Detected objects: magnet Sensor appearance:M12mm cylinder. Sensor wiring:brown—Power+;blue—Power-;black—signal. Packaging Include 4 Digit red counter x 1 Hall proximity sensor x 1(come with magnet) 4 wires cable x 1 2 wires cable x 1 Instruction x 1 China Count Up Timer website:http://www.timingall.com/led-clock/count-up-timer/