- Two round holes (distance from point to point center) of PCB is 1.5cm, and the hole diameter is 0.3cm
- Groove optocoupler groove width 10mm
- the main chip: LM393, slot optocoupler H2010
- Working voltage: DC 5V
- With signal output indication.
- Single-channel signal output.
- High level output (LED light off) when there is an obstruction, low level output (LED light on) when there is no obstruction
- The sensitivity is not adjustable
- Can be used for workpiece counting and motor speed measurement. . . .