What is a high pressure sodium light used for?

High-pressure sodium (HPS) lamps have been widely used in industrial lighting, especially in large manufacturing facilities, and are commonly used as plant grow lights. They contain mercury. They have also been widely used for outdoor area lighting, such as on roadways, parking lots, and security areas.

Are LED grow lights better than high pressure sodium?

LEDs are far more efficient than HID lighting. Pound-for-pound — or rather kilowatt-for-kilowatt — they produce more light than HPS fixtures. Along with better electrical efficiency comes better efficacy. A tailored LED spectrum provides plants with what they need for increased growth on a per-kilowatt basis.

What’s better HPS or LED grow lights?

LED grow lights are more energy efficient. They produce the same amount of light as HPS lights but consume substantially less energy. LED grow lights do not produce as much heat as HPS lights, avoiding the need for additional ventilation or airflow systems.

Do high pressure sodium lamps contain mercury?

All commonly available fluorescent tubes and high-intensity discharge (HID) lamps contain mercury. The most common HID lamps are mercury vapor, metal halide, and high-pressure sodium lamps. Older fluorescent lamps may contain nearly 50 milligrams of mercury per 4-foot-long fluorescent lamp.

Where are high pressure sodium lamps used?

High pressure sodium lamps are used in outdoor lighting of streets and parking lots and in indoor settings where color rendering is not critical. These indoor settings include warehouse and shipping areas and some manufacturing areas.

Do high pressure sodium lights use a lot of electricity?

High pressure sodium fixtures are not as energy efficiency as LEDs. In fact, LED bulbs use between 40-75% less electricity than a HPS fixture.

Is hid the same as HPS?

Firstly, HID stands for High Intensity Discharge. In easy terms, it’s a type of light bulb. Back to our two types of bulbs associated with HID lighting; high pressure sodium (HPS) and metal halide (MH) — there are also “dual arc” bulbs which are a sort of combination of both.