High pressure sodium lamp HPS70W/T
With high luminous efficiency, less consumption, long life, strong ability to penetrate the fog
Application:
Widely used in road, highway, airport, port, dock, station, plaza, street interchange, industrial and mining enterprises, park, garden lighting, and plant cultivation
How does a sodium lamp work?
The basic principle behind the working of sodium vapor lamp is passing electric current through sodium gas to make the gas emit light. This is called photoelectric effect. There is a U-shaped arc tube made of glass. ... There is an electric discharge when passing electricity through sodium vapors at high or low pressure.