Low Pressure Sodium Vapor Lamp

Two varieties of such lamps exist.

Low pressure sodium vapor lamp.

The bulb principally contains solid sodium metal inside a borosilicate glass tube that vaporizes once the lamp is turned on. Low pressure sodium lps lamps have a borosilicate glass gas discharge tube arc tube containing solid sodium a small amount of neon and argon gas in a penning mixture to start the gas discharge. Low pressure sodium lamps are one of the most efficacious light sources. The high pressure lights produce a more desirable golden to white light while the color produced by low pressure lights is yellow to orange.

Low pressure sodium vapor lps lights are a specific type of gas discharge light also known as a high intensity discharge hid or arc light. 1 16 of over 1 000 results for sodium vapor lights premium lu70 med 70 watt ed17 high pressure sodium bulb medium base clear. Low pressure sodium lighting is a monochromatic source and is often rejected for its deficiency in supporting color. The sodium is mixed with other impurities to create a more white light.

As of april 2002 flagstaff streetlighting consisted of 1616 low pressure sodium and 1108 high pressure sodium or mercury vapor luminaires. Basically an lpsv lamp is a gas discharge lamp that uses sodium in an excited state to produce light. High pressure sodium lights have a better color rendition than low pressure sodium lights. 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.

High pressure sodium lights are more popular than low pressure lights because of this significant color difference. More buying choices 36 95 6 new offers lithonia lighting f70sl 120 m6 70w high pressure sodium micro floodlight with bulb bronze. 4 5 out of 5 stars 141. Sunlite 03610 su lu70 med high pressure sodium light bulb 70 watts ed17 med medium base e26 ansi code s55 6000 lumen 24000 life hours clear 2100k.

The lamp heats and the sodium is the last material to vaporize. A low pressure sodium vapor lamp or lpsv lamp is termed as a miscellaneous discharge lamp as it possesses some characteristics of high intensity discharge hid lamps as well as it resembles fluorescent lamps in other areas. But designers should take a second look at what else it has to offer. Philips 234047 18 watt t15 sox e18 low pressure sodium hid light bulb.

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. The discharge tube may be linear sli lamp 2 or u shaped.