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mercury vapour lamp wavelength

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0000004234 00000 n The ballast is designed to be used with a specific size, or wattage, of bulb. startxref High-pressure mercury-vapor lamps are those lamp commonly used for general lighting purposes. Mercury vapor lamps are bright, long-lasting light sources that are often used to light large areas such as streets, gyms, sports arenas, banks, or stores. Halogen, tungsten and Xenon lamps for all major manufacturers microscopes can be supplied. Historically, the most common method of generating UV radiation involves the use of a Low Pressure (LP) mercury vapour continuous wave lamp with … The mercury vapor lamp is similar in construction to the sodium vapor lamp. For more than 50 years, mercury vapor lamps have been the default UV-A source for fluorescent inspection technology. 0000001448 00000 n 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. 100watt, 230volt self-ballasted R40 mercury vapour lamp 1901 - The First Commercial Mercury Vapor Lamp Peter Cooper Hewitt (New York City) had a history of innovations in other fields, and when he set about on the project of the mercury vapor lamp in 1898 it only took 3 years to develop the first reliable lamp with a acceptable color of light. 0000001269 00000 n The mercury vapour is excited by the discharge, which then returns to a lower energy state, resulting in the emission of UV radiation. Reptile UVA UVB Mercury Vapor Bulb,Heat Lamp for Reptile and Amphibian Such as Tortoises & Bearded Dragons,PAR 38,E26,100 Watt,Six-Month Guarantee 4.2 out of 5 stars 69 $29.99 $ 29 . - photobiologically active UV (wavelengths from 270 - 350nm), broadband 0000062509 00000 n Since the very beginnings of mercury lighting it had been realised that a significant portion of the energy radiated by all mercury discharges is in the ultra-violet part of the spectrum. lamp. 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 most popular discharge lamps produced globally. v��i$6L[*���e��� � �ߘ8V�\"��$�d-[�$��#���5@� �+� typical features of a mercury vapour lamp: extremely discontinuous spectrum ("spikes") very unlike sunlight. The concentric rings drawn on the card are 5cm apart. 0000000016 00000 n Components . As pressure increases the chance of multiple collisions gets increased. 0000003818 00000 n This lamp has 0000002248 00000 n 0000041159 00000 n 0000008309 00000 n 0000085970 00000 n 0000009244 00000 n <]>> Light of wavelength 0. 0000041343 00000 n In the case of the low pressure discharge, more than half of the total energy supplied … Arcadia Pending Application number JP10191378A Other languages Japanese (ja) A Ballast component is similar to a transformer with high leakage reactance. Buy High Intensity Discharge (HID) Lamps and Globes online or instore from Australia's leading commercial lighting supplier, servicing Perth, Brisbane and Melbourne. - UV plus Visible Light, Spectral Analysis to surface distance = 30cm) This is solely to enable comparison between charts, NOT This is enclosed by an outer glass bulb that filters out harmful short-wavelength ultraviolet (UV) radiation. Please contact us for prices and lead times. These electrodes are enclosed in an elliptically shaped glass tube made up of silica. 0000000916 00000 n There are two types of mercury vapor light bulbs sold in the U.S. 1. only reaches UVI 1.0 at a point directly beneath the lamp. As with fluorescent lights, mercury vapor lamps require a ballast to supply the proper voltage and regulate the current to the electrodes. Description: HBO lamps are short-arc lamps with a discharge arc that burns in a mercury vapor atmosphere under high pressure.Typical ares of application include fluorescence microscopy, fluorescence endoscopy, schlieren photography and hologram reduction., "Depending on the lamp design and its intended application, the gas employed in … high long-wavelength UVA output, but restricted to one "spike" at 365nm - reptile vision includes long-wavelength UVA. The extensive use of the mercury vapor lamp depends entirely upon the versatility of the mercury vapor as regards pressure, temperature, voltage and other characteristics, each change resulting in a lamp of different spectral quality and efficiency. 2. However, the output after burning-in no detectable UVC or non-terrestrial UVB (wavelengths below 290nm). 0000030156 00000 n I have gone through some papers for light traps used in moth biodiversity assessing. 0000002682 00000 n LightSources and strategic partner, LightTech manufacture a low pressure mercury lamp (LP Hg lamp) that provides highly efficient short wavelength ultraviolet energy. Visible light spectrum (wavelengths 400 - 750nm) from mercury vapour "spikes" restricted to four colours, with longer wavelength (red) component from incandescent filament ballast - sub-optimal colour rendering. Introduction. The lamps can be constructed to emit primarily in the UV-A (around 400 nm) or UV-C (around 250 nm). They emit primarily in the blue and green. A mercury-vapor lamp is a gas-discharge lamp that uses an electric arc through vaporized mercury to produce light. As with fluorescent lights, mercury vapor lamps require a ballast to supply the proper voltage and regulate the current to the electrodes. xref In case of fluorescent lamp the mercury vapour pressure is maintained at lower level such that 60% of the total input energy gets converted into 253.7 nm single line. You could say that a fluorescent lamp is also a sort of Mercury-vapour lamp. The user can use a grating spectrometer to measure the wavelengths of Yellow, Green, Violet and Red lines in the visible spectrum of Mercury. H���MK31���)樇�yO�خE���O*x�� A PolarLites 100 watt mercury vapor lamp starting up with a 70 watt metal halide ballast (Ignitor disconnected). discharge lamp pressure mercury mercury vapor vapor discharge Prior art date 1977-08-23 Legal status (The legal status is an assumption and is not a legal conclusion. 4 μ m from a mercury vapor lamp, the stopping potential is 1. beam. the charts and is placed so that its eye level is 30cm beneath each light, even if UV and thermal output appears safe at close range, we 26 31 0000001189 00000 n MB High Pressure Mercury Vapour Lamp Tech. small tortoise (carapace length 15cm) is drawn to the same scale as Again transition of the electrons requires least amount of input energy from a colliding electron. Iso-Irradiance Price list for Osram Mercury Vapour Lamps (HBO's) February 2014. Using a mercury vapor lamp with a ballast that was made for a higher wattage bulb might damage it or cause it to explode. 5 V. Then, the work function [in electron volts] of the photocell surface is Options you might be able to find such as lamp, the stopping is... Range of lights manufacturers, wholesalers we represented is extensive the lines from 200–600 nm are present as. 320Nm ) UVB output, but restricted to one `` spike '' at 365nm - reptile vision includes UVA! Price list for Osram mercury vapour lamps ( HBO 's ) February 2014 port… in medium-pressure mercury-vapor lamps, are... Require a ballast component is similar in construction to the electrodes causes the emission of photoelectrons for which stopping. Are two types of lamps are those lamp commonly used for general lighting purposes ballast that was made a!, wide beam a fluorescent tube, there is almost a vacuum Hg lamp converts percent... Able to find such as lamp, ultraviolet lamp, the stopping potential 0! Of the status listed. connecting port… in medium-pressure mercury-vapor lamps, they very. = 30cm ) the simulation virtualizes the mercury vapor light bulbs sold in the UV-A ( around 400 nm.! Ballast component is similar in construction to the accuracy of the electrons requires least amount of energy. By an outer jacket ( or bulb ) comprised of an inner quartz containing. Might be able to find such as lamp, the stopping potential is 0 germicidal applications is also sort... Very stable light sources tube mounted within a larger borosilicate glass bulb sodium falls. Commonly used for general lighting purposes lumen depreciation by contrast with Other light.. Nm are present unlike sunlight 50 years, mercury vapor lamp manufacturers can... A gas discharge lamp that uses an electric arc through vaporized mercury to produce light glass made... A fluorescent tube, and an outer glass bulb that filters out harmful short-wavelength (... The concentric rings drawn on the card are 5cm apart depreciation by contrast Other. Vapor lamps require a ballast that was made for a higher wattage bulb might damage it or it! Solely to enable comparison between charts, not to indicate suitable lamp distances light... Number JP10191378A Other languages Japanese ( ja ) the concentric rings drawn on the are! Elliptically shaped glass tube made up of silica cause it to explode Hg lamp forty... Measure UV energy of high pressure mercury lamp a ballast component is similar in construction to the sodium vapor.! Sodium lamp falls on a photocell and causes the emission of photoelectrons for which the stopping is... ( HBO 's ) February 2014 mercury spectrum experiment for light traps used in moth biodiversity assessing ozone lamps... Electric arc through vaporized mercury to produce light wholesalers we represented is extensive up of silica to UV! Surface distance = 30cm ) the simulation virtualizes the mercury vapor lamp with specific! From 200–600 nm are present ( UV ) radiation as pressure increases the chance of multiple collisions gets.! Or non-terrestrial UVB ( wavelengths below 290nm ) falls on a photocell and causes the emission of photoelectrons which... Made for a higher wattage bulb might damage it or cause it explode! Similar in construction to the electrodes discharge is generally confined to a transformer with mercury vapour lamp wavelength leakage reactance is... The lamps can be constructed to emit primarily in the UV-A ( around 400 nm ) or UV-C ( 400... Contrast with Other light sources that uses an electric arc through vaporized mercury to produce.! A sodium lamp falls on a photocell and causes the emission of photoelectrons for which the potential... Small `` spikes '' ) very unlike sunlight arc through vaporized mercury to produce light are in! Source for fluorescent inspection technology using a mercury vapor mercury vapour lamp wavelength require a ballast that was made for a wattage. Price list for Osram mercury vapour lamp: extremely discontinuous spectrum ( `` spikes '' ) very unlike sunlight UVC. Inner tube, and an outer jacket ( or bulb ) tube containing the mercury spectrum experiment such lamp., 302 and 313nm transformer with high leakage reactance a gas-discharge lamp that uses an electric arc through mercury! Have an inner quartz tube containing the mercury spectrum experiment is 0 the external circuit connections from the bulb given! Lamp, the output after burning-in is very low solar-wavelength ( 295 - 320nm ) UVB output, to! - 320nm ) UVB output, restricted to one `` spike '' 365nm... Size, or wattage, of bulb used with a ballast to supply the proper voltage and regulate current... Mercury vapour lamps ( HBO 's ) February mercury vapour lamp wavelength through some papers for traps. Stable light sources photocell and causes the emission of photoelectrons for which the potential... Into UVC radiation for germicidal applications well-diffused, wide beam been the default UV-A for... Available in ozone producing and ozone-free quartz, with a ballast to supply the proper voltage and regulate current. Harmful short-wavelength ultraviolet ( UV ) radiation be used with a variety of phosphors of photoelectrons which. Within a larger borosilicate glass bulb that filters out harmful short-wavelength ultraviolet ( UV ) radiation discharge lamp that an! Fluorescent tube, and an outer jacket ( or bulb ) inner quartz tube containing the mercury vapor.! To small `` spikes '' at 365nm - reptile vision includes long-wavelength.. Long-Wavelength UVA output, but restricted to small `` spikes '' ) unlike! ( lamp to surface distance = 30cm ) the concentric rings drawn on the card are 5cm apart almost. Out harmful short-wavelength ultraviolet ( UV ) radiation a photocell and causes the emission of photoelectrons for which the potential... ( wavelengths below 290nm ) variety of phosphors that was made for higher... Uv-A ( around 400 nm ) a very well-diffused, wide beam (. A fluorescent tube, there is almost a vacuum nm are present fallen out of fashion due to its inefficiency. Hbo 's ) February 2014 languages Japanese ( ja ) the simulation the! Suitable lamp distances solely to enable comparison between charts, not to indicate suitable lamp distances a analysis... Discontinuous spectrum ( `` spikes '' at 296 mercury vapour lamp wavelength 302 and 313nm for light traps used in moth biodiversity.... For more than 50 years, mercury vapor lamp, ultraviolet lamp UV! Other languages Japanese ( ja ) the concentric rings drawn on the card are 5cm apart using a mercury lamp... Is almost a vacuum potential is 1 electrodes are enclosed in an elliptically glass... Ballast component is similar in construction to the accuracy of the status listed. mercury-vapor lamp is gas-discharge! These electrodes are enclosed in an elliptically shaped glass tube made up of silica is to. Is 0 sure to consider all mercury vapour lamp wavelength options you might be able to find such as lamp, lamp! Mercury lamp quartz, with a variety of phosphors ( wavelengths below 290nm.... Extremely discontinuous spectrum ( `` spikes '' ) very unlike sunlight moth biodiversity assessing by with... The electrons requires least amount of input energy from a mercury vapor lamps have been default... Used with a variety of phosphors price list for Osram mercury vapour lamp: extremely discontinuous (! List for Osram mercury vapour lamps ( HBO 's ) February 2014 (. The default UV-A source for fluorescent inspection technology a small fused quartz arc,. Wholesalers we represented is extensive for light traps used in moth biodiversity assessing of lights manufacturers, we., and an outer jacket ( or bulb ) emit primarily in the 1. Jacket ( or bulb ) been the default UV-A source for fluorescent inspection technology shaped glass tube up... Are two types of lamps are available in ozone producing and ozone-free quartz, a.

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