High Pressure Mercury Vapor Lamps Are Generally Used In

The advantage is that it produces a bright white light with relatively long life.

High pressure mercury vapor lamps are generally used in.

The arc discharge is generally confined to a small fused quartz arc tube mounted within a larger glass bulb. As we reviewed in our earlier blog. Most models produce a bluish white light. Are mercury lamps still legal existing mercury lamp systems should always be considered for retrofit with other high efficiency alternatives unless they operate very few hours a year and or the.

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. In either case the outer bulb provides thermal insulation protection from the ultraviolet radiation the. The unique spectral emission characteristics of mercury vapor lamps are ideal for photoresists the most common of which are generally photosensitive between 350 and 500 nm wavelengths. 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.

Mercury vapor lamps are gas discharge lamps that uses an electric arc through vaporized mercury to produce light. The uv irradiation power can be as high as approximately 30 of the nominal power. 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.