2pcs 5.0 Optocoupler Test Instrument Online Detection Tools for Electronic Repair Special for Optocoupler Test Repair

2pcs 5.0 Optocoupler Test Instrument Online Detection Tools for Electronic Repair Special for Optocoupler Test Repair leírása

1, test to confirm that the board under test has been powered off, and the electrolytic capacitors of the motherboard days have been fully discharged. It is strictly prohibited to test when the motherboard is energized.
2, confirm the optocoupler pin 1 (with a small dot the foot test board also has the corresponding 1 feet of the logo)
3, the optocoupler test board connected to the USB power cord, the test board probe contact need to test the optocoupler, if the optocoupler test board the light has been blinking, said the optocoupler is good (the brightness of the light may not be the same as long as it is blinking means that the optocoupler is good)
4, Measurement to ensure that the optocoupler test board and the measured optocoupler have good contact
5, if the indicator light is often bright or not bright, the photocoupler can be removed from the circuit board and inserted into the photocoupler of the test board to reconfirm the test results.

Colour:green
Material:Electronic components
The color of the needle mounting plate the tester is random, don't accept the specified color
Due to different product batches, the appearance may vary, which does not affect the use

Package Contents:
2 * detection tools