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Methods to identify whether the LED dimming power supply is qualified
2019-07-09

Linear dimming power supplies

1) Slowly adjust the brightness from 0 to the brightest, and see if there is a sudden change in brightness to determine whether the dimming curve is linear. Linear dimming power supplies meet general usage requirements.

2) Change the dimming speed repeatedly, hear the whistling of the power supply, without whistling is qualified.

3) Adjust the light to the darkest, then turn off the light and compare the two. Nothing difference is good.

4) Adjust the light as dark as possible to see if there is any flicker. A LED power supply driver that does not flash is qualified.

5) After the light go out 1 to 2 hours, the power supply cooling and will not be hot, then turn the dimmer to halfway, click for 1 to 2 hours to see if the power source is still not hot.

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