Low Pressure Sodium Lamp Advantages And Disadvantages

Disconcerting color rendering cri that can inhibit vision at night and create darker shadows.

Low pressure sodium lamp advantages and disadvantages.

Powerful lamp. The heat from this warms sodium metal in the light to the point of vaporizing which. The low pressure sodium lamp the lps lamp was the first sodium lamp to be developed. These sodium atoms are liberated from the planet s surface by photon stimulated desorption ion sputtering and micrometeoroid impact vaporization ejected at energies capable of escaping mercury s.

It is mostly used in europe since it did not advantages. Designing with lps see also lps costs low pressure sodium like all lighting types has its own pecularities advantages and disadvantages some of these are discussed in these links. Low pressure sodium lamp is a kind of low pressure sodium vapor discharge tube inner tube with special anti sodium glass blown and can radiate 5890a 5896a sodium line can be used as a monochromatic light source optical. Low pressure sodium lamps common uses and advantages low pressure sodium lamps are used in outdoor lighting of some parking areas and bridge underpasses.

What are the disadvantages of sodium vapour lamps. Sodium vapour lamp is a gas discharging lamp which uses sodium in an excited state to produce light near 589 nm wavelength. High pressure sodium area lights are most commonly seen on the road and in parking lots. Low pressure sodium light has a number of very unique properties arising from its spectral output many of which make it technically the most suitable light source for road lighting and these are covered in detail on the next page in.

Lps light provides essentially no color rendition so is inappropriate for any use where 1 color perception is important and 2 lps will be the only light source illuminating the area. These lamps are available in low pressure and high pressure varieties. In a low pressure sodium vapour lamp argon or neon gas is first heated up to emit a slight red or purple glow. It is known by its signature monochromatic yellow color.