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LEDWhat are the precautions for outdoor wall washer purchase?

2019-03-21 15:26:17

1, LED brightness (MCD) is different, the price is different. LEDs for LED wall washers should meet specifications.




2. Leakage current LED is a one-way conductive illuminator. If there is reverse current, it is called leakage, and LED with large leakage current has short life and low price.




3, the wavelength of the common LED, the color is common, if the required color is common, the price is high. It is difficult for producers without LED spectrophotometers to produce pure color products.




4. LEDs with different illumination angles have different illumination angles. The special illumination angle is higher. Such as full diffusing angle, the price is higher.




5, anti-static ability. LEDs with strong antistatic ability have long life and therefore high prices. LEDs with an antistatic greater than 700V are usually used for LED wall washers.

                                              LED户外洗墙灯

  

6, the size of the chip. The size of the wafer is expressed in terms of side length, and the quality of the large wafer LED is better than that of the small wafer. The price is proportional to the size of the wafer.




7, the number of life is different. The key to quality is the number of lives, and the number of lives is determined by the light decay. Low light decay, long life, long life and high price.




8, colloidal general LED colloid is generally epoxy resin, LED with anti-ultraviolet and fire retardant is more expensive, high-quality outdoor LED wall washer should be resistant to UV and fire. Each product will have different designs. Different designs are suitable for different purposes. The reliability design of LED wall washers includes: electrical safety, fire safety, environmental safety, mechanical safety, health and safety, safe use time, etc. Elements.




9. The illuminator of the wafer LED is a wafer, and the price of the wafer varies greatly.




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