| How Does HID Lighting Work? HID, or high | | | | discharge in a lamp and limit the flow of |
| definition, lamps are typically required when | | | | electrical current) to even start producing |
| high levels of light are needed to cover | | | | heat. If they don't have the ballast, the |
| large areas. They are the lights you see at | | | | reaction won't begin, and there won't be any |
| ballgames and theme parks, at stadiums and in | | | | light. |
| gyms. | | | | |
| | | | What are tungsten electrodes? |
| There is a high demand for HID lamps because | | | | |
| of their efficiency on a wide scale and their | | | | Tungsten is a chemical element that is known |
| ability to clearly cover huge areas. They | | | | for its high melting point and robust |
| come in several versions: mercury vapor | | | | physical characteristics. It is used widely |
| lamps, metal halide lamps, and standard | | | | in electrical applications like lighting |
| high-pressure sodium lights. | | | | because of these properties. It is a hard, |
| | | | non-alloy metal that ranges in color from |
| Mercury vapor lamps were the first | | | | steel gray to tin white. It is shaped, or |
| commercially available high definition lamps | | | | "drawn" into the very thin metal wires you |
| (HID). They are swiftly becoming outdated by | | | | see inside a light bulb. |
| newer more efficient counterparts like | | | | |
| high-pressure sodium lamps and metal halide | | | | What applications are there for HID lamps? |
| lamps. | | | | |
| | | | There are numerous applications for HID. They |
| High-pressure sodium lamps generally emit a | | | | are in high demand in areas that require lots |
| more yellowish light, but are available with | | | | of lights, like stadiums, football fields, |
| whiter light. They are usually the most | | | | warehouses, parking lots, roadways, |
| efficient, and thus most commonly used, type | | | | sidewalks, and more. |
| of HID light. Metal halide lamps produce a | | | | |
| beautifully white, natural light, but are | | | | However, they have come into habitual use in |
| also less efficient. | | | | smaller areas as well, such as department |
| | | | stores, houses, indoor gardening, and a |
| How do HID lamps produce light? | | | | number of other applications. Because of |
| | | | their bright, natural light, HID lamps can |
| High intensity discharge lamps produce light | | | | also cause those extra bright headlights |
| when the gases inside the fused alumina tube | | | | blinding you across the road. |
| are heated to the point of evaporation. | | | | |
| Tungsten electrodes are kept in the alumina | | | | They are such a powerful light source, in |
| tube, and when the metal elements begin to | | | | fact, that high definition lights have come |
| heat up, they strike the tungsten electrodes, | | | | into use on the airbus 380- super jumbo |
| creating an arc of light. | | | | airplane.see here buy is before Diane Newsom |
| | | | writes for the uk Lights. Please visit us for |
| Similar to fluorescent lights, HID lamps need | | | | more information on website to buy HID |
| a ballast (a device used to start gas | | | | Lighting. |