Sodium Lamp

Sodium lamps are a type of electric lamp that fall under the supply class of Electric Lamps in the supply group of Lighting Fixtures And Lamps. These lamps are commonly used for outdoor lighting, such as streetlights and parking lot lights.

Sodium lamps work by passing an electric current through a mixture of gases and a small amount of sodium metal. This creates a bright yellow light that is highly efficient and has a long lifespan. The yellow light emitted by sodium lamps is particularly useful for outdoor lighting as it provides good visibility and can penetrate through fog and other atmospheric conditions.

There are two main types of sodium lamps: low-pressure sodium (LPS) lamps and high-pressure sodium (HPS) lamps. LPS lamps produce a monochromatic yellow light, while HPS lamps produce a broader spectrum of light with a yellowish-orange hue.

Sodium lamps are known for their high energy efficiency, making them a popular choice for outdoor lighting applications where long operating hours are required. They also have a long lifespan, typically lasting around 16,000 to 24,000 hours.

However, sodium lamps do have some drawbacks. They have a warm-up time, meaning they take a few minutes to reach their full brightness after being turned on. Additionally, the yellow light emitted by sodium lamps can distort colors, making it less suitable for applications where color accuracy is important.

Overall, sodium lamps are a reliable and energy-efficient option for outdoor lighting, providing bright and long-lasting illumination.