New dimension of HID

By: Küstenpatent


HID (High Intensity Discharge lamps) are one of the special quality electric lamp. It produces light by means of an electric arc between tungsten electrodes housed inside a translucent or transparent fused quartz or fused alumina arc tube. One the other hand it is called arc light. High Intensity Discharge (HID) lamps produces more visible lights per unit electric power consumed rather than fluorescent and incandescent lights since a great portion radiation of visible lights are suppressed by heat. There are many types of HID lamps used in many purposes. Such that mercury vapors lamps, metal halide (MH) lamps, sodium vapor lamps, xenon short-arc lamps, ceramic MH lamps etc. are important lamps used in various ways in our daily life. Mercury vapor lamps were the first commercially available HID lamps. Originally they produced a bluish-green light, but more recent versions can produce light with a less pronounced color tint. However, mercury vapor lamps are falling out of favor and being replaced by sodium vapor and metal halide lamps. Metal halide and ceramic metal halide lamps can be made to give off neutral white light useful for applications where normal color appearance is critical, such as TV and movie production, indoor or nighttime sports games, automotive headlamps, and aquarium lighting.
Low-pressure sodium vapor lamps are extremely efficient. They produce a deep yellow-orange light and have an effective CRI of nearly zero; items viewed under their light appear monochromatic. This makes them particularly effective as photographic safe lights. High-pressure sodium lamps tend to produce a much whiter light, but still with a characteristic orange-pink cast. New color-corrected versions producing a whiter light are now available, but some efficiency is sacrificed for the improved color.
In recent days HID lamps are used tremendously in our daily life. When large areas lights coverage is needed or desired colors lights are required then we install HID lamps. These areas include gymnasium, football stadium, cricket stadium, high way roads, movie theatre, large public area, warehouses, parking lots, outdoor activities areas and pathways. More recently, HID lamps have been used in small retail and even residential environments because of advance to reduce normal bulbs.HID lamps have made indoor gardening practical, particularly for plants that require high levels of direct sunlight in their natural habitat; HID lamps, specifically metal halide and high-pressure sodium, are a common light source for indoor gardens. They are also used to reproduce tropical intensity sunlight for indoor aquaria.
Beginning of the early 1990s, HID lamps have been widely employed in motor vehicle headlamps. Internationalized European vehicle regulations require such headlamps to be equipped with lens cleaners and an automatic self-leveling system to keep the beams aimed correctly regardless of vehicle load and altitude, but no such devices are required on motorcycles, or in North America, where ECE regulations are inapplicable and inherently more glaring beam patterns are also permitted.
HID lamps are quickly becoming the fastest growing trend in the aftermarket. HID lamps installations are very simple rather than normal tungsten lights.

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