The arc discharge is generally confined to a small fused quartz arc tube mounted within. Mercury vapor lamps are gas discharge lamps that uses an electric arc through vaporized mercury to produce light. Mercury vapor technology was developed throughout the 1800s in england and germany. A mercury vapor lamp is a kind of gas discharge lamp.
An ordinary mercury vapor lamp might not even light because it depends on the ballast to give it a high voltage pulse to ignite it. The amount of mercury per case may exceed the iata regulation for. The mercury atoms release ultraviolet and visible light. The mercury vapor lamp produces a bluish white light by introducing an electric current to mercury vapor within a. The mercury vapor lamp is a high intensity discharge lamp. Lamp construction at the heart of the lamp is an arc tube which is fabricated from quartz, with a tungsten electrode disposed at either end. The mercury vapor lamp is a negative resistance device. But if it did ignite, it would immediately explode since it will act. A mercuryvapor lamp is a gas discharge lamp which uses mercury in an excited state to produce light. Both philips lamps, one brand new 50w and a very badly tortured 80w that still somehow runs. A complete range of insect supplies rose entomology.
Oct 02, 20 mercury vapor lamps were the first high intensity discharge lamps to be commercially available for a wide variety of lighting applications. Hr175a39 ge 175w ed28 mercury vapor clear mogul base lamp. It was the first metal vapor style of light fixture to be mass produced for general lighting. The tube contains a few milligrams of mercury and around 2550 torr of pure argon as a buffer gas to carry the discharge while the lamp warms up, producing heat to vaporise the mercury and bring it into. A mercury vapor lamp is a gas discharge lamp, which uses mercury in an excited state to produce light. Mercury is present in the lamp in both the phosphor powder and in the vapor.
Models of the sodium atmosphere of mercury predict the possible existence of a cornetlike sodium tail. The lamp gets its state of its operational stability. A mercuryvapor lamp is a kind of gas discharge lamp. Mercury vapor lamps are primarily used in industrial applications and outdoor lighting e. Two centuries of electric light source innovations pdf.
The arc discharge is generally confined to a small fused quartz arc tube mounted within a larger borosilicate glass bulb. Therefore, it requires a ballast to limit the current. I believe it is important information, so please read it through if you have the time. Zoo med powersun uv uvb a selfballasted mercury vapor lamp which emits uva, uvb and heat all in one lamp. Depending upon location and season, the vapor lamp is capable of attracting a large diversity of mantids. Expand your options for your illumination project with the innovative product line offered by us. Such lamps generate an atmosphere of mercury vapour at high pressure. In some bulbs, the ultraviolet light shines on phosphors which. In the mercury lamp, light is produced by the passage of an electric current through a gas or vapor under pressure instead of through a tungsten wire as in the. Available in 50w to 175w reflector shapes and 50w to w hid shapes, mv lamps are a great choice for spaces needing bright, wide light coverage.
This means its resistance decreases as the current through the tube increases. Testing two mercury vapor ballasts and lamps metaphysicalengineer. Lamps high pressure mercury vapor lamps mercury vapor lamps a gas discharge lamp that uses an electric arc through vaporized mercury to produce light first high intensity discharge lamps to be commercially available mercury vapor lamps high pressure. However, the first lowpressure lamps were sold commercially in the united states in 1901 after john cooper hewitt innovated the lamp s color. A mercuryvapor lamp is a gas discharge lamp that uses an electric arc through vaporized mercury to produce light. Mercury vapor lamps used for other applications have glass that does not permit the passage of much uv, making them useless in terms of using them in applications where uv is desired. The watt lamp contains enough mercury to be regulated for transportation by air. Unfollow mercury vapor bulb to stop getting updates on your ebay feed. As the current continues to increase to its full potential, a ballast, which can be found in a mercury vapor lamp, serves as a resistor. Mercuryvapor lamp definition of mercuryvapor lamp by. Pdf the mercury vapor lamp is the oldest high intensity discharge technology lamp that uses an electric arc, and comes in different shapes and. Mercury vapor lamps have been used as outdoor lighting for streets and parking lots and have also been used as indoor lighting in factories and gymansiums. But there may be still some invisible ultraviolet radiation during. Levinson has written the mercury vapor lamp experience.
The lamp is said to be low pressure if the partial pressure of the vapor is below 0. Mercury vapor lamps are highintensity discharge lamps that predate modern highpressure sodium and metal halide lamps. Mercury vapor lamp article about mercury vapor lamp by. The light will not work if the pins are not seated properly. Available in various models, specifications, and features. The small diagonal cylinder at the bottom of the arc tube is a resistor which supplies current to the starter electrode. A mercuryvapor lamp is a gas discharge lamp that uses an electric arc through vaporized. May 16, 2020 a mercury vapor lamp is a type of high intensity discharge hid lamp that is predominantly used for commercial and outdoor lighting. Testing two mercury vapor ballasts and lamps youtube. Sodium and mercury vapor lamps work according to this principle. The mercury lamp was the first kind of metal vapour light source that was mass produced for general lighting applications, and still today it remains one of the. Jul 17, 2017 replace the light bulb if it flickers, dims or changes colors drastically. The mercury vapor lamp is a negative resistance device and requires a ballast to prevent it from taking excessive current.
Philips advance hid ballast kit, mercury vapor, 175 w. From everything that has been exposed until now, it is deduced that light emitted by metal vapor. About 33% of these are led bulb lights, 8% are street lights, and 4% are spotlights. Halogen and mercury vapor reptile heat bulbs box turtle world. The mercury vapor lamp experience, a story of aspergers. Types include standard, metal halide, and super uv lamps. Running mercury vapor lamps on high pressure sodium ballast. For the character in the rozen maiden anime and manga, see characters of rozen maiden. Ultraviolet light is emitted as a current flows through vaporized mercury. Mercury vapor bulbs offer a clear white light output and long bulb lifetimes.
The mercury vapor lamp has proved to be the single most productive method for collecting mantodea. Easy online ordering for the ones who get it done along with 247 customer service, free. A mercury vapour lamp is a highpressure, electric arc discharge lamp that provides intense illumination over a selected range of wavelengths. Mercury is highly toxic, irritating, and causes sensitization and. Mercury vapour lamps dealing with breakages some items of laboratory equipment contain mercury vapour lamps to generate uv light. Lighting fixture parts transformers mercury vapor lamps. I also have one of leroys big rig collectin sheet setup from my mvuv collecting. The mercury vapor now carries current within the arc. Philips lighting com pany lamp material data sheet lmds. So if the lamp is connected directly to a constantvoltage source like the power lines, the current through it will increase until it destroys itself.
Portable uv light traps, bait traps, collecting lights. Mercury vapor lamp ballast vs metal halide duration. Advantages and applications of mercury vapor lamps eye. Mercury vapor lamps also offer a very long lifetime, as well as intense lighting for several special purpose applications. Mercury vapor is the original and now the oldest hid technology and has been supplanted by other hid types that offer higher efficiencies and better color properties. Ultraviolet energy for disinfection is produced using mercury vapor lamps. Technical bulletin mercury vapor lamp mercury vapor hf175pd iso 9001. Mar 23, 2015 just a bit of a ramble about two mercury vapour lamps with some illumination of said lamps. Shop plusrite 2301 100 watt mercury vapor 4000 lumens 3900k coated medium base ansi h38 at today. These are similar in operation and appearance to a fluorescent lamp. Other products offered are short arc lamps, lamp ballasts, reflectors, irradiators, and current and potential transformers.
This gives a typical diffuse mediumpressure uv spectrum see figure. The photolysis cell is composed of a narrowbore borosilicate glass coil 15 loops each of 8. Long twin tube, 4 pin using existing ballast led t5 light bulbs. Lamps, bulbs, ballasts bulbs hid hid mercury vapor mercury vapor coated products related to h33gl400dx mercury vapor lamp, 400w, ed37 or visit the philips lighting site for help with mercury vapor lamp, 400w, ed37 from philips lighting. Kolorlux mercury vapor lamps are often used due to their relative efficiency. Mercury vapor technology was developed throughout the 1800s in england and. Mercury vapor lamps were the first high intensity discharge lamps to be commercially available for a wide variety of lighting applications. Engineering high intensity discharge bulletin mercury lamps. Incandescent lamps have a warmer appearance than mercury vapor yard lights, for example. A mercury vapor lamp is a type of high intensity discharge hid lamp that is predominantly used for commercial and outdoor lighting. Be sure to install the light according to the manufacturers instructions. I hope that it will clear up some things for the thinking people. Bob maccargar ive been meaning to write this for some time. Mediumpressure lamps draw a much greater current than lowpressure lamps, leading to a rapid rise in the mercury vapor pressure.
Mercury vapour lamp article about mercury vapour lamp by. Advantages and applications of mercury vapor lamps eye lighting. An electricdischarge lamp consisting of an electric arc in mercury vapor in a sealed tube, which in turn may be enclosed in an outer glass envelope. Also, if the ambient air allows, run a small he or che in another. Mercuryvapor lamp definition is an electric lamp in which the discharge takes place through mercury vapor called also mercury lamp. Dec 31, 2018 the lamp gets its state of its operational stability. Philips mercury vapor lamps all wattages a ll standard mercury vapor lamps medium and mogul base h33, h36, h37, h38, h39, h43, h44, h45, h46, sah.
I am matthew,from haining xushi bulb factory in china. The mercury vapor arc gives visible spectra of green, yellow and violet. A flicker light bulb, flicker flame light bulb or flicker glow lamp is a gasdischarge lamp which produces light by ionizing a gas, usually neon mixed with helium and a small amount of nitrogen gas, by an electric current passing through two flame shaped electrode screens coated with partially decomposed barium azide. Color temperature is how cool or warm the light source appears. A mercury vapor lamp is a gas discharge lamp that uses an. Click add to cart to buy philips lighting h33gl 400dx. Mercury vapor lamps are designed primarily for use in general lighting applications where good efficiency and long life are desired with moderate color rendering requirements.
Jan 04, 2016 the mercury vapor lamp is a high intensity discharge lamp. Mercuryvapor lamp simple english wikipedia, the free. Can a mercury vapor lamp be used without a ballast. Spectrum on page not representative of mercury vapor lamp whoever added the visible spectrum to the right of the page, please consider replacing it with a high pressure mercury vapor spectrum. A case of 6 watt lamps shipped by air cargo plane requires a declaration of dangerous goods shipping document. Please keep image files under 1mb in size and pdf files under 5mb in size.
Mercury vapor lamps were the first high intensity discharge lamps to be commercially available. A mercury vapour lamp is a gas discharge lamp that generates light from an electric arc by using vaporized mercury. Mv025069448 1 sylvania 69448 250 watt mercury vapor 12,500 lumens 4000k coated 50. What are the advantages and disadvantages of the mercury. Regent 175wh39 mercury vapor area light circa 1997. In some bulbs, the ultraviolet light shines on phosphors which make white light from it, although not all mercury vapor lamps use phosphors.
Pdf on mercury vapor lamps and their effect on the smartgrid plc. A protective quartz sleeve, which is transparent to uv light, surrounds the lamp. It uses an arc through vaporized mercury in a high pressure tube to create very bright light directly from its own arc. Bulborama offers a full range of industrial grade mercury vapor bulbs with 24,000 hour lifespans for anywhere highperformance lighting and consistent color rendition are required. Available in a wide range of lamp types from 75 watts, in both clear and coated configurations, mercury vapor lamps are ideal for a variety of lighting applications. Mercury vapor lamps a gas discharge lamp that uses an electric arc through vaporized mercury to produce light first high intensity discharge. Detection and mapping of the predicted sodium tail would provide quantitative data on the. Mercury is highly toxic, irritating, and causes sensitization and neurological symptoms. It uses an arc through vaporized mercury in a high pressure tube to create very bright light directly.
Manufacturer of ultraviolet uv curing lamps including mercury vapor lamps. A story of aspergers and aliens, a science fiction gem that leads the reader on an. Looking for philips advance hid ballast kit, mercury vapor, 175 w 1a025. Such lamps generate an atmosphere of mercury vapour at high. Phosphor coated bulbs offer a better color rendering index than either high or low. Mercury lamps are used primarily for general street, parking and hibay industrial lighting applications where good efficiency and long life is desired and color rendering needs. Mercuryvapor lamp an overview sciencedirect topics. This data sheet covers all satco hygrade brand mercury vapor lamps for general lighting applications.
If the light is tinted pink or blue after installing a new bulb, replace the capacitor. Mercury vapor lamps street light electromagnetic spectrum. In a mercury vapour lamp, a borosilicate glass bulb confines the electric arc within a quartz arc tube of a small size. Philips lighting h33gl400dx mercury vapor lamp, 400w, ed37. But there may be still some invisible ultraviolet radiation during discharging process of mercury vapour so phosphor coating may be provided on outer glass cover to improve efficiency of the mercury lamp.876 677 896 326 1601 1143 815 1259 1065 81 815 295 1128 85 1231 711 831 1240 1459 667 353 254 794 9 199 772 1220 803 698 469 1082 254 411 794 1208 255 245