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Question:

How can I check the LED light?

How can I check the LED light?

Answer:

Look at the power supply lamp, the other part of the life of the power supply is relatively light, life is very short, the power of the lamp life influence overall life, theory of life improved in 5-10 million hours, and the life of the power supply in the 0.2-3 million hours, design and material selection of power supply will determine the service life of power supply.
To see whether compliance with safety standards, China's LED lamps safety standards have been introduced, please comply with the safety standards stipulated by the state to select LED lamps.
There are different technical requirements, such as moisture-proof, dust-proof, antimagnetic, lightning protection etc..
Use the multimeter resistor to block the LED lights on both sides. Light is good
Upstairs is right, but only for general LED lights. If you say quality is good or bad, it's different.

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