DIGITEN 12V 4 Digit Red Counter Meter+Infrared Proximity Photoelectric Switch Sensor NPN
Infrared photoelectric switch sensor:NPN 3 wires normally open,NO,6-36VDC
trigger mode: rising edge
Display dimension: 0.56" RED
Reset signal:Pulse or switch
Counting:Plus or minus
Response frequency: 100HZ
Panel cutout dimension:76.5mm*39.2mm
Overall dimension: 79mm*43mm*30.5mm
Sensor dimention: M18x70mm.
Detection distance: 10mm
Sensor cable length:1200mm
The meter retain the number automatically when power cut off.
Sensor wiring:brown---Power+; blue---Power-;black---signal.
Operating temperature: 0 to 50¡ãC.
4 Digit red counter x 1
IR proximity sensor x 1
4 wires cable x 1
2 wires cable x 1
Instruction x 1
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Counter display works great sensor was dead on arrival
This is a pretty good counter. The display is large and bright and it works well on my exercise machine. The only drawback is that it is designed for mounting in a flat panel with the proper size rectangular cutout. I had to use tie wraps, tape and foam backing to mount it to the exerciser. Plus, you have to be somewhat handy to splice the wires and use an appropriate power source. I used an unregulated 120VAC to 12VDC adapter I had lying around.The diagram is clear to me, but I am an electronics technician. Be careful of the power supply polarity.