Low Pressure Sodium Lamps Disadvantages

There are two kinds of sodium lights.

Low pressure sodium lamps disadvantages.

Sodium lamps were first produced commercially by philips in holland in 1932. 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. The efficacy of low wattage white hps lamps is lower than that of metal halide lamps lumens per watt of low wattage metal halide is 75 85 while white hps is 50 60 lpw. Low pressure lps and high pressure hps these lamps are mostly used for street lighting as well as industrial uses.

More buying choices 36 95 6 new offers lithonia lighting f70sl 120 m6 70w high pressure sodium micro floodlight with bulb bronze. Low pressure and high pressure low pressure sodium lamps are highly efficient electrical light sources but their yellow light restricts applications to outdoor lighting such as street lamps where they are widely used. Two varieties of such lamps exist. 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.

Fluorescent bulbs up types of lighting. Types of lighting. A sodium vapor lamp is a gas discharge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm.