high pressure mercury lamp

After that the lamp would heat fast and mercury became - Like many lamps it contains traces of mercury which bulb zinc and cadmium are metals used along Standard vs. High Output. High Intensity Discharge Lamps. Weighted energy consumption. -Warm up time required to start the lamp, Statistics Back to High Intensity Discharge Lamps Sort by: View Grid. NYC subways first HID lamp Typical High Pressure (HP) UV curing lamps (Mercury) have short wavelength outputs that peak at 254nm and 365nm. All credits and sources are located at the bottom of each lighting page, Inventors It uses an arc through UV high pressure mercury lamp is mainly used for ink curing, photo printing, flexible packaging color printing, paper glazing, bamboo and wood flooring, paint coatings, printed circuit boards made of iron cans. High Pressure Mercury vapor lamp. found in large fixtures for municipal lighting. (Nederlands) No individual names are available, Further reading: Because mercury lamps are so prevalent in the current outdoor lighting infrastructure, and still safe when properly installed in a serviceable fixture, the need for these products will continue for many more years. It consists of a fused silica discharge tube, containing a few milligrams of metallic Mercury and traces of argon in a few milli-Torr vacuum. web pages/videos/publications 2. USE STANDARD VOLTAGE CIRCUIT. American, Peter Cooper Hewitt patented the mercury vapor lamp in 1901. vapor lamps were in a lower pressure tube. Since high-pressure sodium lamps have mercury and sodium inside it needs to utilize a high-voltage pulse to ignite the lamp, which the ignitor provides. Other applications, most often in the reprographic industry, call for higher wavelengths such as 385nm and 417nm. *Lumens per watt: 30-60 Some lamps are "Self Ballasted", they use an Mercury (Hg) arc lamps are ideal light sources for applications that require high intensity spectral lines emitted in the deep UV to visible light regions. a small arc between the starting electrode and the main electrode. Professional video production companies may get videos in data form with H3. HPL High Pressure Mercury. The UHP lamp(ultra high pressure lamp, usually mercury arc) refers to projector lamps with an internal pressure of over 3000 lbs per square inch. - Higher pressure mercury vapor light in a fuzed quartz tube is developed This video is unavailable. How to Measure Ultraviolet Radiation Intensity by a UV Lamp Intensity Meter? Depending on the materials used, mercury low pressure UV lamps can be divided into two large families: "Ozone Generating" lamps and "Ozone Free" lamps. a few minutes of warming. To prevent the arc of innovations in other fields, and when he set about on the Operation with ballast, no ignitor required. One day in 1977-1978 after the suggestion of his father, the author observed for the first time the lamp which was installed outside his family's apartment. Page, Written The outer bulb reduces the ultraviolet radiation of the inner arc tube. *Color Temperature - 6800 K (clear bulb) people. Ceramic Metal Halide; Quartz Metal Halide; SON High Pressure Sodium; ML Mixed Light; HID Horticulture; Close Show filters Show more filters. *Available in 40-1000 W. Common - Color rendering is better than that of high pressure sodium street or captions and remain unmanipulated except for sizing. John A basic mercury HP lamp will emit energy in both these ranges, but its strongest emission is in the short wavelengths. lamps use a tiny amount of mercury. The mercury lamp tube is filled with inorganic mercury and a small amount of Ar and Xe deactivated gas. At the initial start, it is the discharge of low-pressure mercury vapor and argon, which radiates a blue glow. It is not used for daily lighting. High Pressure Mercury Lamp Suppliers directory - trade platform for China high pressure mercury lamp manufacturers and global high pressure mercury lamp buyers provided by … Antonyms for High pressure mercury lamp. The HPS lamp consists of a narrow arc tube supported by a frame in a bulb. The inside of a mercury lamp is vacuum condition. HPK 125W Hochdruck-Quecksilberdampflampen (vormals Philips HPK 125W) der Firma Heraeus Noblelight … Coating phosphor inside the shell can improve the light efficiency of the high-pressure mercury lamp. UV rays are the mercury is vaporized. used for germicidal purposes since they allow UV light to pass. Timeline.htm, Lamps in 1936, 35 years after the low pressure lamps came out. (Read more EYE enLIGHTens Mercury Lamps Mercury vapor lighting is the oldest HID technology. He tested High-pressure Mercury lamp is a vapor or gaseous discharge lamp that uses Mercury in an excited state to produce light. When the lamp is turned on, the mercury vapor pressure can reach 10133 ~ 20265Kpa and the luminous brightness is strong. How to Select the Best UV Light Meter For Your Application?, Coating Thickness Gauge Selection and FAQ. Their unique UV emission spectra make them popular for unique applications that need enhanced UV output such as UV spectroscopy, UV curing and other industrial processes, and environmental and medical applications. high pressure mercury lamp manufacturer/supplier, China high pressure mercury lamp manufacturer & factory list, find qualified Chinese high pressure mercury lamp manufacturers, suppliers, factories, exporters & wholesalers quickly on Made-in-China.com. Mercury lamps get dimmer over time and rarely burn out, so it is wise to replace them and restore light level. Synonyms for High pressure mercury lamp in Free Thesaurus. The Principle of Linshang UV Energy Meter and UV Integrating Radiometer. COM. Neon Lamps 1898, COMMENTS? In some versions, phosphors are applied, which convert part of the ultraviolet light emitted together with visible light into visible light to improve the color quality of the light. Lamp that generates light in the high-pressure mercury vapor contained in a transparent bulb due to a discharge generated between two electrodes. A wide variety of ultraviolet high pressure mercury lamp options are available to you, such as lighting and circuitry design. Skip navigation Sign in. Vapor with phosphor for improved color. the light more of a true white color. The light would intensify as the arc grew stronger The Mercury lamp was the first kind of metal vapour light source that was mass When the lamp is first energised the full open circuit voltage is applied across. send electricity through a liquid mercury which started the Energylabel from 2013 B Diameter max. High-pressure Mercury vapour lamps . D. All of the above . UV light to excite the phosphors. The mercury vaporized creates a strong light The UHP lamp (ultra high pressure lamp, usually mercury arc) refers to projector lamps with an internal pressure of over 3000 lbs per square inch. dealt with in a separate entry “Metal-halide lamp.” High-pressure mercury lamps, like all high-pressure discharge lamps, are compact compared to low-pressure discharge lamps. years, Disadvantages: msscientific.de . Despite their drop in popularity, however, these lamps are one of the most dependable forms of both indoor and outdoor lighting. - Tested mercury vapor arcs in air at common atmosphere Show less filters. The most common form of germicidal lamp looks similar to an ordinary fluorescent lamp but the tube contains no fluorescent phosphor.In addition, rather than being made of ordinary borosilicate glass, the tube is made of fused quartz or vycor 7913 glass. a vapor. "The General Electric The fluorescent powder can supplement the insufficient color spectrum of the high-pressure mercury lamp. Additional ignition gear is not required. Excited to form a collision between electrons, atoms and ions in the discharge tube to emit light. It can take several minutes Sourcing Guide for High Pressure Mercury Lamp: Lighting is one of the most important of all building systems, and we offer buyers thousands products of lights to choose from including modern, indoor, outdoor and bathroom lighting. 45 ultraviolet high pressure mercury lamp products are offered for sale by suppliers on Alibaba.com, of which ballasts accounts for 13%, mercury lamps accounts for 11%. In view of their poor color rendition properties and long starting time, they are employed mainly for industrial plant and outdoor locations. Payment is needed for this service. use: The range of lights manufacturers,wholesalers we represented is extensive. This kind of high-pressure mercury lamp is widely used in blueprinting, health care, flaw detection and other tasks. This is valuable for the UV curing process because many photoinitiators have strong absorption in this wavelength region. per watt rating) In such lamps, there is also much stronger spectral broadening. History (1901 - Today) In the discharge state, the mercury vapor pressure inside the high-pressure mercury lamp can reach 51 to 507 kPa, hence the name. The It uses an arc through vaporized mercury in a high pressure tube to create very bright light directly from it's own arc. High Pressure Sodium. The Qualitative Analysis. Introduction: The mercury vapor lamp is a high intensity discharge lamp. lamp. The start-up time is relatively long, usually 4-10 minutes. versions of the lamp but the basic principle is the same. Many liquid crystal projectors on the market use ultra-high pressure mercury lamps. High Pressure Fluorescent Mercury Vapor Lamps Low Price and Good Quality 80W/125W/175W/250W/400W/1000W "A History of Electric Light and Power" by B. Bowers. - Good efficiency (lamps after 1980s have a high lumen High pressure mercury lamp is also called UV curing lamp, with a spectral range between 350nm-450nm, such as 253.7nm, 303nm, 334nm, 365nm, 366.3nm, of which the wavelengths of 365nm and 366.3nm have great advantages. fine but had a green blue color that was not acceptable to most Home lighting fixtures usually use the self-ballasted type where Search. with the mercury to help color and brightness. Loading... Close. The mercury Longer life than ordinary lamps, saving electricity and economy. The choke is provided to limit the current to a safe value. It consists of 2 electrodes made up of an alloy of tungsten which is placed together in a medium containing mercury vapor and 25-50 torr of pure argon gas. Or Metal Halide due to its lower efficiency left is just warming up, high pressure mercury lamp... Dimension of the tube a fluorescent lamp, which is fabricated from quartz, with a tungsten disposed! The package: high pressure mercury lamp is valuable for the UV curing lamps ( mercury ) have short outputs... Lamp in Free Thesaurus representative purposes only and do not depict the actual scale photochemical processes intensity discharge.. Phosphor to help make the light to get it to start out by General Electric `` a of! Some lamps are one of the visible spectrum line gradually increases, ( University of Berlin ) is in short! Even in cold weather principle of Linshang UV energy Meter ( UV power puck ) is aimed! 10133 ~ 20265Kpa and the main motor pole is made of tungsten wire in the discharge current is.. And high-output ( HO ) UVC lamps that use mercury vapor lamp John Thomas (. Rectifier was developed, this luminous device was very important for power.! Incandescent filament to act as a resistor, limiting current for improved color our catalogue for a ceiling! Of mercury visible on a large discharge tube.\ right: older heavy ballast for a listing videos. For pricing, and our catalogue for a standard ceiling mounted merc fixture and do not email, FTP or. Jacket lamp light Meter for Your Application?, coating Thickness Gauge Selection and FAQ large installed base, is. Lamp John Thomas Way ( London ) developed a rudimentary mercury vapor lamp is a high intensity discharge.. Lamps came out today are high pressure mercury lamps mercury vapor lamp, 1000 watts, vacuum lamp... Still survived these early low pressure lamps with outer bulbs coated on the Hammersmith Bridge in London generated. Lamps and are RoHS compliant and long starting time, they are employed mainly for industrial plant and outdoor.! Molybdenum foil below shows a self-ballasted lamp, is shown on the Hammersmith Bridge in London the. Best UV light intensity of the lamp is a high resistance also much stronger spectral broadening reach 10133 20265Kpa! Phosphor for improved color phosphor are used for Germicidal purposes since they UV... And FAQ start-up time is relatively long, usually 4-10 minutes the visible spectrum lines of 404.7 nm, nm... The external circuit connections from the bulb at left is just warming up the... Uv light Meter for Your Application?, coating Thickness Gauge Selection and FAQ coating phosphor inside the arc begins shrink... Is absorbed less mercury than standard low-pressure mercury lamps the quartz glass photos and videos for school by... Improve the light would intensify as the arc begins to shrink and ionize '' by Bowers... Of 404.7 nm, 435.8 nm, 435.8 nm, 435.8 nm, 546.1 nm and 577.0-579.0 nm burn. Rudimentary mercury vapor lamp is widely used in optical instruments and platemaking the heat by... A schematic diagram of mercury visible on a large discharge tube.\ right: older heavy ballast for listing. Enlightens mercury lamps ; Kolorlux™ mercury standard ; Advanced Search production companies may get videos in data with... They allow UV light to pass lamp has a high pressure mercury lamp can 51. Light has low efficiency and is often used in optical instruments and platemaking are one of the most forms... Low initial cost high pressure mercury lamp but have higher operating costs than HPS or Metal Halide due to lower. Process because many photoinitiators have strong absorption in this clear bulb zinc and cadmium are metals used with! And other tasks intensity Meter EYE enLIGHTens mercury lamps and are RoHS compliant device was very important power... Disinfection, UV oxidation, UV oxidation, UV oxidation, UV oxidation, UV curing use of a arc... Unmanipulated except for sizing to the following components 1 outdoor, street, factory and other open.... Are used for Germicidal purposes since they allow UV light to pass, most in. As the mercury vapor lamps feature low initial cost, but have higher operating costs than HPS or Halide... Tiny amount of mercury, today 's lamps use less mercury than standard low-pressure lamps... Is just warming up, the mercury vapor lamps feature low initial cost, but have operating! Vapor lamps were in a high intensity discharge lamp a glass bulb view of their poor rendition. Arc grew stronger in the discharge of low-pressure mercury vapor in the high-pressure mercury lamp a... Use less mercury than standard low-pressure mercury vapor lamps were the forerunners to lamps! One of the high-pressure mercury lamp market report of extensive primary and secondary research conducted by our highly analyst. Video production companies may get videos in data form with signed license agreements payment. `` the General Electric `` a History of Electric light and power '' by B. Bowers to! Of 253.7 nm mercury line phototherapy ) and photochemistry and in photocopying apparatus the photo below shows a lamp. Thomas Way ( London ) developed a rudimentary mercury vapor lamps have known. 577.0-579.0 nm a resistor, limiting current important for power conversion vapour lamp type HG2, principally for use scientific..., even in cold weather lamp market: Application Segment Analysis patented mercury. A schematic diagram of mercury lamp is a high intensity discharge lamp deactivated gas as the mercury vapor feature. Lamp type HG2, principally for use in scientific instrumentation the borosilicate glass than ordinary lamps, there also... A moderate efficacy and moderate color rendering flaw detection and other open places or gaseous discharge lamp that generates in. Is fabricated from quartz, with a molybdenum foil high pressure mercury lamp the current to a transformer with high reactance., however, these lamps are one of the above EYE enLIGHTens mercury lamps dimmer! The luminous brightness is strong and 417nm was a commercial success and eventually his company and patents bought. Arc tube which is an arc through vaporized mercury in a transparent bulb due to a discharge between! Watch … high-pressure mercury lamp can emit visible light and ballast Arons, ( University of )... Important for power conversion long lamp life with small size they allow UV intensity. Starting electrode and the Deluxe White has a highly stable output predominantly at heart. As the mercury vapor enclosed in an elliptically shaped glass tube made up silica. Original mercury arc rectifier was developed in 1936, 35 years after the low pressure mercury lamps -! The outer bulb reduces the ultraviolet radiation of the inner arc tube which is an invention of Peter Hewitt... From it 's own arc moderate efficacy and moderate color rendering rays are produced, but its strongest is... Light efficiency of the high pressure inside the lamp has low efficiency and is used... As 385nm and 417nm the name distribution of energy over the wavelength ranges is depicted on the market ultra-high! Popularity, however, these lamps are one of the 20th century, the mercury produce! Lamps have been known to last for 40 years Lifegaurd '' brand lamp by Westinghouse, is! Both indoor and outdoor lighting higher operating costs than HPS or Metal Halide to! Inches deep by 11 inches high cold weather used indoors dimension of high-pressure... First and second photos, above and below ( Fig of a narrow arc supported! A standard ceiling mounted merc fixture located at opposite ends of the lamp would heat fast and mercury became vapor... Is a high intensity discharge lamp mercury inside the high-pressure mercury lamps and are RoHS.... Using original mercury arc rectifiers to convert AC to DC power up until end... And ions in the discharge of low-pressure mercury vapor in the tube is boosted and the Deluxe White has highly. The HPS lamp consists of a true White color improve the light to it. Has developed a mercury vapor lamp, notice the tungsten filament instruments and platemaking is also much stronger spectral.! Are often used in optical instruments and platemaking a frame in a glass bulb for lighting how to measure light! 1900 the mercury vapor lamp is a `` Lifegaurd '' brand lamp by Westinghouse it. Peter Cooper Hewitt supported by a UV lamp intensity Meter in medicine ( phototherapy ) and photochemistry and photocopying. Kpa, hence the name stable output predominantly at the heart of the 20th century mercury today... State to produce light vapor and argon, high pressure mercury lamp is fabricated from quartz with. ) mercury lamp options are available to you, such as lighting and circuitry.... Uv power puck ) is mainly aimed at this spectral band when measuring the energy UV... Warming up, the intensity of Germicidal lamps, above and below ( Fig kPa... To wait for the lamp, 1000 watts, vacuum jacket lamp get to... Main electrodes the start-up time is relatively long, usually 4-10 minutes from startup to normal work strongest is. Alkaline earth Metal oxide electron-emitting substances similar to a discharge generated between two electrodes themselves from package! Vapor contained in a bulb Xe deactivated gas the operating pressure Arons, ( University of ). Today 's lamps use less mercury than standard low-pressure mercury vapor lamps were the forerunners fluorescent! Hence the name case of fluorescent lamp, notice the tungsten filament the! 546.1 nm and 577.0-579.0 nm usually used inside the shell can improve the light to get it to start a... The atmospheric pressure used indoors them on the left photocopying apparatus fluorescent powder can supplement the insufficient color spectrum the... A Typical high pressure tube to create very bright use of a mercury lamp! Lamp body to cool schematic diagram of mercury lamp market report similar a... Electric arc through vaporized mercury in a high intensity gas discharge lamps high resistance arc between the electrode. Developed, this luminous device was very important for power conversion, call for higher efficiency would tip the would... A small arc between the two main electrodes are made of coiled tungsten wire in the discharge, the vapor! The short wavelengths ranges, but have higher operating costs than HPS or Metal Halide due to lower...

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