Osram offers a broad range of p vip projection lamps and assemblies used for videodata projection, rear projection televisions, and other projection applications. Unfortunately, thats a common attitude of those holding the corporate purse strings. The arc discharge is generally confined to a small fused quartz arc tube mounted within a larger borosilicate glass bulb. However, used fluorescent and highintensity discharge hid lamps have been identified as an environmental concern. Xenon discharge lamp for dc operation color rendering index 95 short arc hot restart discharge lamps various lamp types can be combined with a customized lamp base automatic computercontrolled production process with very tight tolerances lamp is optimally adjusted in the system after the replacement, no. Managing used fluorescent lamps, highintensity discharge. This makes them an ideal choice for fiber illumunation devices for medical, scientific, and even industrial areas. Using phet i explain how discharge tubes and fluorescent lights work. While it warms up, the lamp exhibits different colors as the various metal halides vaporize in the arc chamber. Highintensity discharge lamps hid lamps are a type of electrical gasdischarge lamp which produces light by means of an electric arc between tungsten. Typically, such lamps use a noble gas argon, neon, krypton, and xenon or a mixture of these gases.
A device which provides the necessary starting voltage and appropriate current to a fluorescent or high intensity discharge hid luminaire. Osram pvip projection lamps professional and industrial. Dx lamps but with the addition of a small amount of magnesium germanate phosphor, a toxicologically relatively inert material. In lowpressure mercury vapor lamps, only the lines at 184 and 253 nm are present. The spectrometer is a precision instrument and is shown in figure 2 with the important parts labeled. Ex pendant light fittings for highpressure discharge lamps ev. Lamp in this subclass, lamp includes tubes emitting visible, ultraviolet or infrared light. The mercury discharge spectrum is altered through the very high operating pressure of more than 200bar, to give a dense multiline spectrum which is ideal for projection purposes. Uplight inground uplights with leds or for discharge lamps 8 uplight the uplight product range offers flexible tools for sophisticated lighting projects, from accent lighting to floodlighting. The basic principle of a gaseous discharge lamp is illustrated in fig.
Tclp compliant alto plus hps lamps clearly indicate need for replacement. This vip lamp must be operated only in suitably designed, enclosed fixtures which prevent direct observation of the arc and will prevent lamp fragments from exiting, in the unlikely event of a lamp rupture. Store lamps in an onsite waste storage area where they will not break. Gas discharge lamps are used in virtually all areas of modern lighting technology including common fluorescent lighting for home and office and lcd backlights for laptop computers, high intensity discharge lamps for very efficient area lighting, neon and other miniature indicator lamps, germicidal and tanning lamps, neon signs, photographic. Intensely bright discharge lamps and assemblies for high quality projection devices. Lamp body is filled with the positive column of the discharge. The following information is provided by osram gmbh as a courtesy to its customers.
Discharge tubes were made as early as 1856, but commercially discharge lamps came into the market only in the 1930s. These lamps are intense point sources that provide a broad continuous spectrum and have nearly perfect color in the visible range. P vip osram replacement lamp easylamp gmbh characteristics of p vip lampsa technology discharge lamps with mercuryhalogene gas lamp power 100 200 w ac lumen yield 60 lm w pressure cold lamp. These ev, dhls and evz luminaire series are designed for the use of highpressure discharge lamps. See how the characteristic spectra of different elements are produced, and configure your own elements. A sodiumvapour lamp is a gas discharge lamp that uses sodium in an excited state to produce light. Safety advice because of their high luminance, uv radiation and high internal pressure in the hot state hxp lamps may only be operated in enclosed lamp casings specially constructed for the purpose. In about 1910 the french physicist georges claude developed such a tube with neon gas as the filling. This p vip lamp must be operated only in suitably designed, enclosed fixtures which prevent direct observation of the. Pureland supply offers a variety of projector lamps and smart board lamps available to schools, universities, and businesses nationwide. Automotive headlamp hid ballast reference design using the. Hid is a broad term used to describe any lighting system using a gaseous discharge arc lamp in which the gasfilled arc tube operates at several times normal atmospheric pressure compared to the near vacuum conditions in fluorescent lamps.
More information is available on request or can be found in the leaflet included with the lamp or in the operating. This vip lamp must be operated only in suitably designed, enclosed fixtures which prev ent direct observation of the arc and will prevent lamp fragments from exiting, in the unlikely event of a lamp rupture. Osram vip super high pressure mercury discharge lamp. Discharge lamps universal means higher expectations in high intensity discharge universal lighting technologies universal offers a wide array of ballasts for high intensity discharge hid lamps.
Osram vip super high pressure mercury discharge lamp this data sheet covers the following models. Osram p vip projection lamps are highpressure discharge lamps used in video projectors and rearprojection televisions. Their design has been specifically developed for projection purposes to deliver the highest quality image possible. This vip lamp generates ultraviolet radiation which may cause skin and eye irritation with prolonged exposure. Uplight inground uplights with leds or for discharge lamps. Gas discharge lamps are a family of artificial light sources that emit light by sending an electrical discharge through an ionised gas, i.
Highintensity discharge lamps hid lamps are a type of electrical gas discharge lamp which produces light by means of an electric arc between tungsten electrodes housed inside a translucent or transparent fused quartz or fused alumina arc tube. For fluorescent and metal halide lamps, 40% of rated life is typically used, but for other lamp types, 50% is more common. This chapter provides an overview of the current technology in lowpressure discharge lamps. Electric discharge tubes or discharge lamps sparkgaps h01t. Glossary of terms in this place, the following terms or expressions are used with the meaning indicated.
Nov 26, 2015 sodium lamp gas discharge lamp that uses sodium in an excited state to produce light efficency is 75 lumenswatt average life 60000 hours 14. Lamp recycling v energy and the cost of lighting vi iesna progress report vii glossary of terms ixxii incandescent lamps 1 tungsten halogen lamps 41 miniature lamps 72 high intensity discharge hid lamps 75 compact fluorescent lamps 107 fluorescent lamps 129 ballasts and led power supplies 171 displayoptic lamps 207 led systems 297. Atomic spectroscopy methods atoms in the gas phase have very well defined electronic energy levels for the electrons. Now 30,000 hours life color change to bluish white is a cue to change the lamp noncycling end of life operation alto lamp technology passes epas tclp test for nonhazardous waste lamp watts 70 100 150 200 250 400 1ooo bulb base ed23v2 mog. P vip replacement lamps, subject to alteration easylamp. They offer a high light output, long lamp life, even light distribution, high quality. Consequently light is absorbed by a ground state atom or emittedby an excited atom at very precise wavelengths, resulting in line spectra. However, if a lamp would be operated on direct current it would be seen that the discharge has several distinct sections, the positions offf which are. Light has a triple effect light for visual functions illumination of task area in conformity with relevant standards. Most, if not all lamps, are operated on alternating current.
The actual brightness values yaxis are not calibrated. Applications include metal halide mh, pulse start metal halide psmh, and high pressure sodium hps lamps ranging from 35 to 1650 watts. This tube is filled with noble gas and often also contains suitable metal or metal salts. Fluorescent lamps are the most common lamp in office lighting and many other applications, produces up to 100. A mercury vapor lamp is a gas discharge lamp that uses an electric arc through vaporized mercury to produce light. The metal halide lamp requires a warmup period of as long as five minutes depending on the lamp type. Center beam candlepower cbcp the intensity of light produced at the center of a reflector lamp, expressed in candelas. A mercury vapor lamp is a gas discharge lamp that produces. Color rendering index cri the measure of a light source to render color correctly. In the uvvis domain, each element has hundreds to thousands of absorptionemission lines. For all practical purposes this is how the situation can be viewed. Lamps lowpressure mercury discharge the most common form of germicidal lamp looks similar to an ordinary fluorescent lamp but the tube contains no fluorescent phosphor.
Genuine original osram pvip discharge lamps now available. Specifically, how the technology of discharge lamps is connected to bohrs model of. Understanding the characteristics of fluorescent and hid lamps makes it easier to recognize problems and simplifies corrective maintenance. The various types of hid lamps are categorized and named by the type of gas contained within the arc tube. Us4199708a lowpressure mercury vapor discharge lamp. Pvip replacement lamps easylamp gmbh einfach schneller. Dec 12, 2016 the neon lamp is a type of gas discharge lamp, they generate light when an electrical discharge travels through an ionized gas, or plasma. May 16, 2014 with osram p vip replacement lamps, consumers benefit from the reliable and optimal performance of their tv or projector every time. High intensity discharge lamps when considering lamp life, light efficiency and excellent colour rendering, ges ceramic metal halide cmh range offers the perfect solution. Applications include metal halide mh, pulse start metal halide psmh, and high pressure sodium hps lamps ranging from 35 to 1500 watts. Of course theres more to lighting maintenance than lamp replacement, particularly with discharge lamp systems. For example, if a metal halide lamp s rated life were 20,000 hours, the value for mean lumens would be the expected lumen output at 8,000 hours. In accordance with ansiiesna standard rp27, all displayoptic discharge. Where screwshell type lampholders are used for electric discharge lamps the fixtures.
Low pressure discharge lamps include fluorescent lamps and compact fluorescent lamps. When the voltage between the electrodes exceeds certain. Gases are normally poor conductors, especially at atmospheric and higher pressures, but application. Asim kumar roy choudhury, in principles of colour and appearance measurement, 2014. The lighting handbook human centric lighting human centric lighting hcl expresses the positive effect of light and lighting on the health, wellbeing and performance of humans and thus has both short and longterm benefits. Lamps respectively, while part v is given over to the most recent discharge lamp, the osram 8owatt fluorescent tube, which is a natural development of the. Atomic absorption and atomic fluorescence spectrometry. P vip lamps provide an extremely high level of luminance. The graphs for the gas discharge lamps and for broadband tungsten light at two brightness settings faint cool lamp, bright hot lamp are shown on the following pages. In discharge lamps, light is generated by a gas discharge of particles created between two hermetically sealed electrodes in an arc tube. Lowpressure mercury vapor discharge lamp having a closed elongated lamp envelope and comprising at least two electrodes disposed near a first end of the lamp envelope, at least one electrode is situated at the end of at least one inner tube situated within and sealed in a gastight manner to the lamp envelope, this inner tube having at least one opening to the inside of the lamp envelope, the. Electromagnetic or electronic ballasts can be used for highpressure discharge lamps.
Because of their dominance in the market place, and production of white light, the major part of the chapter is devoted to fluorescent lighting. P vip lamps provide an extremely high level of luminance, the. These inground uplighters combine all the important product advantages. All vip lamps are for ac operation on electronic power supplies and are hot. These high pressure mercury discharge lamps provide a dense multispectrum output that is essential to projection devices. In addition, rather than being made of ordinary borosilicate glass, the tube is made of fused quartz or sodalime glass which allow the 185nm andor 253. Luminaires for fluorescent lamps or discharge lamps with symmetrical or.
Light emission is generated by an electrical discharge in an arc tube through complex chemical and physical phenomena. Types of highintensity discharge lamps mercury vapor lamps shortwave uv, a result of the decay of mercury atom electrons from an excited to a stable state, is readily transmitted through the inner quartz tube but is virtually blocked by the outer glass envelope during normal operation. Thus select p vip projection lamps from osram when replacing projector lamps and benefit from intensive light output, brilliant color rendering and a long lifespan. A device used with a discharge lamp to obtain the necessary voltage for starting and operating. During the late 19th century, sir william crookes and other physicists experimented with methods of generating radiation by striking an arc between electrodes in an evacuated tube to which small amounts of an elemental gas had been admitted. Unlike with fluorescent lamps, lamp efficiency is not.
All osram p vip lamps can now be purchased through pureland supply. Gas discharge lamps are a family of artificial light sources that generate light by sending an electric discharge through an ionized gas, a plasma. P vip lamps are high pressure mercury lamps for use in video projectors, projection televisions and other projection applications. Broadly, practical discharge lamps for lighting are either mercury vapour or sodium vapour lamps, at either high or low pressure. Fluorescent lamps are lowpressure mercury electric discharge lamps in which a phosphor coating transforms of the ultraviolet energy generated by the discharge arc into light. P vip replacement lamps, subject to alteration page.
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