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Article Title:
==============

Comparing Cost of HID Spotlight Versus Halogen Spotlight

Article Description:
====================

HID lights, including spotlights and flashlights contain
technology that differs from halogen technology.  These
differences create advantages for HID technology in durability,
efficiency and cost.


Additional Article Information:
===============================

520 Words; formatted to 65 Characters per Line
Distribution Date and Time: 2008-02-29 10:00:00

Written By:     Magnalight
Copyright:      2008
Contact Email:  mailto:[EMAIL PROTECTED]



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Comparing Cost of HID Spotlight Versus Halogen Spotlight
Copyright (c) 2008 Magnalight
Magnalight
http://www.magnalight.com



HID lights, including spotlights and flashlights contain
technology that differs from halogen technology.  These
differences create advantages for HID technology in durability,
efficiency and cost.

Halogen incandescent bulbs operate on Edison's basic concept. 
Electricity flows from positive to negative across a small, thick
filament.  The filament is actually a very poor conductor of
electricity.  As a result, it glows, producing light and much
heat.  The heat eventually destroys the filament if vibration
doesn't snap it first.  Incandescent lights are widely used and
produced, making the technology cheap.  Some of the best halogen
light designs offer several hundred hours of life at a low cost.

HID technology works differently.  HID bulbs (HID globes) have
two electrodes.  Sparks jump across electrodes igniting the gas
sealed inside the lamp.  HID bulbs are filled with some type of
gas, usually xenon or metal halide gas.  The type of gas dictates
the color of the light produced.  For example, metal halide gas
produces a more blue-white color, approximately 6500 Kelvin,
while Xenon gas produces a more natural 4500 Kelvin color
temperature.  In order to ignite the gas, an electronic device,
called a ballast, controls the amount of current to the
electrodes.  Initially, the ballast sends a high amount of
current to the electrodes to get the gas lit.  Once the gas is
burning, the ballast minimizes the amount of current sent to the
electrodes to keep the gas lit.  For this reason, HID lights are
much more efficient with electricity usage.  In other words, HID
lights require less amps to run than a comparable wattage
incandescent lamp.  A 35 watt HID will pull 3.3 amps on a 12 volt
circuit, while 250 watt halogen will require 20 plus amps.  Both
may produce comparable illumination at distance.

HID lights are less popular, although the HID headlight upgrade
kits in higher end European cars are increasing demand.  The
bulbs are complex to construct and cost more than incandescent
bulbs.  The ballast, which is not required in halogen
incandescent spotlights, is fairly expensive to create in a small
form factor.  As a result, the cost of an HID spotlight or HID
flashlight is significantly higher than that of a halogen
incandescent spotlight or flashlight.

HID spotlights and HID flashlights offer many benefits, including
more light with longer battery life.  If properly constructed,
the HID bulb will last approximately 5,000 hours (compared to
300-400 hours for high end halogen) and have no filament to
break.  As such, the cost for consumables is minimal and HID are
exceptionally durable and long lasting, in addition to being far
brighter than halogen lights sporting much higher wattages.

In the off-road world, the benefits of the HID lights are
particularly relevant.  The durability of a high quality HID bulb
is very resistant to the intense vibration that comes from
navigating off road conditions at high speeds.  Delivering more
projected light for fewer amps makes for efficient use on
vehicle's electrical systems, especially since fewer lights are
required to provide the same lighting patterns as halogen
alternatives.  Ultimately, the total cost of ownership of high
quality HID lights can be significantly lower than halogen lights




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This article has been written by the staff of Magnalight.com
MagnaLight meets the high powered lighting needs for a variety 
of industries including the military. They also offer a number 
of lights for use by hunters, fishermen, and outdoor enthusiasts.
They provide a wide-selection of Magnalight Spotlights, Boat 
Lights, 24 Volt Lights and more. http://www.magnalight.com


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