Metal halide lamps are high intensity discharge lights that provide very bright light – in white and blue spectrums.
They have been in use since the early 1960s, mostly in retail stores and sports fields. The ability of these lamps to produce very bright white light,
high luminous efficacy, and long lifespan has made thema popular choice for very many years.
Unfortunately, metal halide lamps have many drawbacks. Here are the common problems to expect with these lights.
- Longer preheating time
It takes a long time to warm up after turning on the halogen lamp. To reach full brightness, the lights take 15 minutes and 30 minutes.
- Longer cooling time
In the event someone disconnects the lights from the power switch, they will automatically turn off and take 5-10 minutes to restart.
- The color change
This is the most common problem with halide lamps. As you get older, the light is not unified.
- The arc tube is broken
Metal halides contain arc tubes that deteriorate as the lamp ages. They start to change color and produce more heat. That alone would break them.
- They contain mercury
Mercury levels are small but toxic. The process of disposing of these lights is complicated.
Ultraviolet radiation
The lights turn on immediately and they produce ultraviolet (UV) radiation. Exposure to radiation can cause premature aging and the risk of skin cancer and cataracts.
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