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How to identify the quality of LED traffic lights
- Apr 09, 2018 -

1, see the material: for example, its shell material, chip, power supply and so on. Taking the shell material as an example, there are several common materials such as PC material, sheet metal material, and die-cast aluminum material.

2. Performance test: Perform performance tests on LED traffic lights, such as testing its sensitivity, anti-jamming capability, and time accuracy, and the time accumulated error is not so large.

3, safety testing: LED traffic lights safety test items more, such as more frequent switching, pressure and so on, are a test content.

4, national standards: LED traffic lights are national standards, that is, to be submitted, and the inspection report period is two years.