![]() |
GE Lighting has taken the decision to cease with the manufacture of Low
Pressure Sodium (LPS) lamps in 2007 in order to focus on innovative product
types to meet the needs of Global street lighting. The significant decline
in the sale of LPS lamps is expected to accelerate.
The street lighting market has increasingly shifted away from old-fashioned
SOX lamps with their low
The monochromatic nature of LPS means that a CRI value does not apply to
these lamps, thus the British Standard recommendation for all new street
lighting lamps to have a CRI that is greater than 20 means
Benefits of "white light" Street lighting include:
HPS & CMH lamps used on electronic ballasts also offer extended lamp life
and the potential for dimming in rural areas or during off peak traffic
periods. The cost of energy and the requirement for efficient systems needs
to be reviewed against the impact on the community as a whole - HPS and CMH
lamps provide the vehicle to best address energy and lighting level
criteria.
|
|