Mercury Vapour Lamp Advantages And Disadvantages

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. Historically the advantages of mercury vapor lamps is that they are more energy efficient than incandescent and. Compare this with the 12 lumens per watt of an incandescent bulb or the 60 lumens per watt of a cfl or the 90 lumens per watt of ftl.

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Advantages and disadvantages of sodium vapour lamp 1 see answer bijukumarmnj6893 is waiting for your help.

Mercury vapour lamp advantages and disadvantages. The outer bulb may be clear or coated with a phosphor. What are the advantages of sodium vapour lamps over other lamps. The uv irradiation power can be as high as approximately 30 of the nominal power. Sodium vapour lamps are very efficient turning one watt of power into a whopping 200 lumens.

Add your answer and earn points. The main reason for their use is primarily owing to the fact that the mercury lamps are not time barred i e. Ramdpmb ramdpmb sodium vapour lamp is a gas discharging lamp which uses sodium in an excited state to produce light near 589 nm wavelength. These lamps are available in low pressure and high pressure varieties.

Mercury vapor lamps are used widely for lightining purposes although their use is certainly decreasing not that much related to performance issues but mainly due to the hazards associated with them as we shall see later in this article. A fluorescent lamp is a type of a gas discharged electric lamp that contains and uses low pressure mercury vapor and an inner coating of fluorescence material such as phosphor to produce visible light. What are the advantages and disadvantages of the mercury lamp sodium vapour lamp and xenon lamp used in photocatalysis. The mercury vapor lamp was invented in the year 1901 by peter new york.

While using the white light led lamp and mercury vapor lamp of same. The mercury vapor fluorescent lamps can be either of low pressure lp or medium pressure mp i e gas pressure inside the lamp with nominal power that may vary in the ranges 4 115 w and 400 17 000 w philips 2017 respectively. And while most wattages require a ballast to operate some have an internal start that does not require a ballast often referred to as self ballasted mercury. Mercury lamps are available in medium and mogul base versions.

To be specific introducing an electric current excites this mercury vapor that in turn results in the emission of ultraviolet radiation. This is a high intensity discharge lamp that is commercially available and is designed to overcome the disadvantage of fluorescent lamps which is a cold sensitive lamp. In either case the outer bulb provides thermal insulation protection from the ultraviolet radiation the. A mercury vapor lamp is a gas discharge lamp that uses an electric arc through vaporized mercury to produce light the arc discharge is generally confined to a small fused quartz arc tube mounted within a larger borosilicate glass bulb.