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LED washing wall lamps and related lamps, how to choose good or bad?

LED washing wall lamps and related lamps, how to choose good or bad?

Answer:

The most critical light source; light source is mixed, how to analyze it? First of all to sulfide resin beads, the surface should have certain anti humidity. Not in the high temperature expansion process, temperature is not more than 75 pin lamp, aluminum substrate temperature should not exceed 60 degrees, the shell can not be more than 50 degrees. What a pure gold, copper stent, what Purui, Saman, wafer chip, it is not the most critical, because all plants are so. No reference.
Driver: 80% people talking about the outdoor lighting, to meanwell power, but you know, meanwell also has at the time of the accident, what kind of driving is suitable for outdoor lighting? First of all, in accordance with the above first, second, for inspection. Is the most important parameter, we all know that light wall lamp is a high power, the arrangement is simply and string, and string, or if you choose is the nominal current, no allowance, when a light source 1 and lamp failure, or failure, the current will have pressure in normal light that will cause the lamp life is too short, so to leave enough margin. Again is to resist lightning surge 2000V above (this is must) anti-interference.
The outdoor lighting is in a bad environment! The sealing ring (or glass glue, waterproof glue) and waterproof head must be tested. You might ask, "how do you experiment?" Tell you, these auxiliary materials have to be tested, installed on the lamp, put to high temperature 65 degrees, 72H, low temperature 15 degrees 72H, immersion 24H, and then put the high temperature 72H, after a total of these cycles. Just qualified!
First of all, wall washing lights, this kind of lamp belongs to the outdoor lighting, the first element is waterproof, IP grade must be greater than 65, a lot of town factory are nominal 65, without actual verification, are generally in the faucet at will, then light, I can tell you, what did the. So far, I've only seen a wall washing lamp made by an enterprise in Shenzhen. Every 1 of them do immersion tests, and they are lit. Therefore, the lamps and lanterns are guaranteed!

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