Sounds to me as though you have a Xenon copy, not a real Xenon headlight... easy way to know, when you turn on the headlight, does it take a second to turn on, then during several more seconds the light gets brighter and brighter, yes/no?
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If yes, then somewhere your headlight system will have a ballast, if not, then you have a imitation Xenon.
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Another method is simply remove the bulb, remembering not to touch the glass, and look inside, do you see a filament?
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In Xenon bulbs there's no filament, only a mixture of gases the main gas being Xenon.
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I know from personal experience that many Chinese brand headlight bulbs state that the bulb is/use Xenon, or is extra white white-light etc. but it's still Halogen no matter how you candy coat it! In other words they are complete BS!
Xenon lights provide a reproduction of daylights natural spectrum so visibility of the road and what is in front of you seems much more like what you see during the day. Not only is this much easier on your eyes but it is much safer for the driver/rider especially during hazardous conditions such as rain, fog, or snow. Xenon lights also last significantly longer than standard headlights with most having as much as ten times the lifespan. Another great benefit to xenon is although they provide you with more light they actually use less battery life than standard halogen lights. The lights are generally six to eight times more energy efficient providing you with less worry if your must use your headlights without your vehicle running or just generally care about putting less stress on your vehicles battery.
First off, how does it work? The system includes a bulb(s) and a power ballast(s) to drive them. Unlike a halogen bulb, which is a glass globe with a physical filament in it (which heats up to glowing when current passes through), an HID bulb has no filament. It functions much the same as an arc welder. At either end of a glass tube with a globe in the centre, is an electrode. The centre globe is filled with a combination of elements, among which is xenon gas. The power
ballast is basically a transformer, which takes the 12 volt input from your car and boosts it tremendously. Xenon gas lights need an initial surge of over 22,000 volts to ignite, and a steady 75-85 volts to stay lit. The transformer in the power
ballast steps up your 12 volt car voltage to these levels to drive the lights. However, the current is very, very low, and the result is a power draw of only 35 watts, a lot lower than the power draw of halogen lights. When the ballast fires that initial starting voltage, the electricity arcs between the electrodes in the bulb, through the xenon globe, molecularly exciting the xenon gas and causing it to emit light.
Next, you'll need the colour temperature. The temperature, or "warmth", of the light is described in degrees Kelvin. Any manufacturer that offers HID lights as standard or optional equipment, puts out kits with a colour temperature of 4300K (4300 degrees Kelvin). Again, this is a measurement of colour, NOT of physical temperature. They offer 4300K bulbs because natural sunlight/daylight is very close to that colour, and from behind the wheel, the combination of light colour and light intensity rivals that of daylight. It's also a colour that is easy on the eyes, and long night drives are more relaxing than with the yellowed halogen light - One will likely feel less fatigued with HID lights than with halogens.
With colour temperature, the higher the number, the more blue the light gets. The lower the number, the more it trends to yellow (a 3000K HID kit in your foglights would be a blazing yellow/amber colour, great for cutting through rain, driving snow, or fog). 4300K light is very crystalline white on the road. Moving upward through 5000K and 6000K kits, you'll get a richer white with tinges of blue. I have had 4300K and 5000K in past cars, and currently have 6000K HIDs in my Audi. I like the 6000K best, but that's personal preference, although it does seem to have the fullest light.
Going beyond 6000K, you start getting into a seriously blue spectrum, and this is not recommended - sure it looks cool, but blue is one of the worst colours for visual definition, and does not penetrate distance nearly as well as the whiter colours of the spectrum. Going to 10,000K and above makes the light almost purple - again, cool for looks, but lousy for driving.
Remember that 25W Xenon is the same as 55-60W Halogen.
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04-29-2024, 07:03 AM in Off Topic Discussions