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 The advantages and disadvantages of LED traffic lights

The advantages and disadvantages of LED traffic lights

Ningbo – Zhejiang – China, cerca Shanghai18868944843Facebook
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http://www.traffic-signal-manufacturers.com
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Zhejiang.
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The advantages and disadvantages of LED traffic lights
1. Look at its material. That is to say, look at its surface, whether it is high-grade or low-grade; what brand and chip of the LED are, and whether it is bright enough; what circuit is used for the power supply, and what brand or cottage factory is the electronic device in it.
2. Performance test. Test its sensitivity, anti-interference ability, time accuracy, and the accumulated time error is not large.
3. Safety test. There are many test items, more frequent switching, high pressure and so on.

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