2X Optocoupler Tester Optocoupler Test Detection Tool Online Test Module Electronic Repair Tool for 4-Pin Optocoupler

2X Optocoupler Tester Optocoupler Test Detection Tool Online Test Module Electronic Repair Tool for 4-Pin Optocoupler Description

Features:
1. Test to confirm that the board under test is turned off and the electrolytic capacitors the motherboard are fully discharged. It is strictly forbidden to test when the motherboard is powered .
2. Confirm the optocoupler PIN1 (the pin with a small dot the test board also has a corresponding mark 1 pin)
3. Connect the optocoupler test board to the USB power cord, and test the optocoupler with the test board probe contact point. If the light in the optocoupler test board keeps flashing, it means that the optocoupler is good (the light brightness may be different from the optocoupler). As long as it flashes, it means that the optocoupler is good)
4. Measure to ensure that the optocoupler test board has good contact with the tested optocoupler

If the indicator light is always or off, remove the optocoupler from the circuit board and insert it into the optocoupler of the breadboard to reconfirm the test results
Applicable to 4-pin optocouplers, other types of optocouplers are temporarily not applicable
Specifications:
Part name:Optocoupler Tester
4th generation is Type-C interface, there is an indicator light when plugged in, need to be plugged in to use.
NOTE: USB power cord NOT included.
Color: Green
Material: PCB + electronic components
The actual product may have color difference due to different lighting or display

Package Contents:
2 x Optocoupler Tester