Outdoor sodium lights are either low pressure or high pressure lighting to illuminate large areas with bright light.
High pressure sodium lights troubleshooting.
Correcting problems with hps lamps by erik runkle and bruce bugbee high pressure sodium lamps are widely used in greenhouse production but they require maintenance for peak efficiency.
Sodium bulbs can last up to 20 000 hours.
These types of lights are commonly found outside.
High pressure sodium hps lights are commonly used for outdoor application like parking lot lighting street lights etc.
This is one of the most serious maintenance problems in an hps lighting system.
They emit bright yellow light.
These lamps reduce growth and increase electric consumption.
They are used for things such as security lighting.
Many lamp types currently offered such as metal halide and high pressure sodium lamps are physically interchangeable but not electrically interchangeable.
A high pressure sodium ballast is responsible for regulating the pressure in light fixtures that use high pressure sodium gas to produce the light.
Hps fixtures quickly picked up speed and by 1970 many parking lot lights and street lights were adopting the new lighting technology.
They are also commonly found in an indoor garden setting.
I have a 150 watt high pressure sodium security light that mysteriously began cycling on and off about a month ago after about three years of faithful operation.
After visual inspection many growers find that some lamps in their greenhouse either aren t operating or aren t doing so at full brightness.
An indication of the high pressure sodium hps lamp s normal eol is on off cycling since the aging lamp requires a higher voltage for operation than the ballast can supply.
The hps light fixture was developed by general electric and made its debut in 1964.
After visual inspection many growers find that some lamps in their greenhouse either aren t operating or aren t doing so at full brightness.
High pressure sodium lights are used for illuminating large outdoor areas.
Thought the photoelectric cell.
The heavy duty transformer or ballast is also long lived if the bulbs are changed out before they burn out.
Typically these lights are used on sides of industrial buildings and in some street lamps.
Lamps should be checked to be sure the proper lamp type is being used according to the information on the label of the installed ballast.
