high-pressure sodium discharge lamp

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• High-Pressure Sodium Lamp —   A type of High Intensity Discharge (HID) lamp that uses sodium under high pressure as the primary light producing element. These high efficiency lights produce a golden white color and are used for interior industrial applications, such as in… …   Energy terms

• Sodium vapor lamp — A sodium vapor lamp is a gas discharge lamp which uses sodium in an excited state to produce light. There are two varieties of such lamps: low pressure and high pressure . Low pressure sodium Low pressure sodium (LPS) lamps, also known as sodium… …   Wikipedia

• High-intensity discharge lamp — A High intensity discharge (HID) lamp is a type of electrical lamp which produces light by means of an electric arc between tungsten electrodes housed inside a translucent or transparent fused quartz or fused alumina tube. This tube is filled… …   Wikipedia

• sodium-vapour lamp — ▪ instrument       electric discharge lamp using ionized sodium, used for street lighting and other illumination. A low pressure sodium vapour lamp consists of a glass shell with metal electrodes, filled with neon gas and a little sodium. When… …   Universalium

• Gas-discharge lamp — See also: Gas filled tube Germicidal lamps are simple low pressure mercury vapor discharges in a fused quartz envelope. Gas discharge lamps are a family of artificial light sources that generate light by sending an electrical discharge through an …   Wikipedia

• electric discharge lamp — or vapor lamp Lighting device consisting of a transparent container within which a gas is energized by an applied voltage and made to glow. After practical generators were devised in the 19th century, many experimenters applied electric power to… …   Universalium

• High-intensity discharge (HID) lamp —   A lamp that produces light by passing electricity through gas, which causes the gas to glow. Examples of HID lamps are mercury vapor lamps, metal halide lamps, and high pressure sodium lamps. HID lamps have extremely long life and emit far more …   Energy terms

• Metal-halide lamp — A metal halide gas discharge lighting system provides illumination for a college baseball game at Olsen Field in College Station, Texas, United States. Note the various colors of the lights as they warm up. Metal halide lamps, a member of the… …   Wikipedia

• Lamp (electrical component) — A lamp is a replaceable component such as an incandescent light bulb, which is designed to produce light from electricity. These components usually have a base of ceramic, metal, glass or plastic, which makes an electrical connection in the… …   Wikipedia

• sodium — /soh dee euhm/, n. 1. Chem. a soft, silver white, metallic element that oxidizes rapidly in moist air, occurring in nature only in the combined state, and used in the synthesis of sodium peroxide, sodium cyanide, and tetraethyllead: a necessary… …   Universalium

• Mercury-vapor lamp — Mercury Lamp redirects here. For the character in the Rozen Maiden anime and manga, see Characters of Rozen Maiden. A 175 watt mercury vapor yard light approximately 15 seconds after starting …   Wikipedia