sodium-vapour lamp

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sodium-vapour lamp

n
(Electronics) a type of electric lamp consisting of a glass tube containing neon and sodium vapour at low pressure through which an electric current is passed to give an orange light. They are used in street lighting
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Noun1.sodium-vapour lamp - lamp in which an electric current passed through a tube of sodium vapor makes a yellow light; used is street lighting
lamp - an artificial source of visible illumination
References in periodicals archive ?
Calderdale Council has already begun replacing old low-pressure sodium lamps with LED, or lightemitting diode, lights.
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They do their best but the actual sodium lamps are too few and clearly well past their sell by date.
According to Luminance, LED lights consume only 30 to 120 watts greater lumen output versus ordinary sodium lamps normally used in Philippine streets that consume about 400 to 500 watts.
LED lights need less than half of the amount of electricity that oldstyle sodium lamps require to run.
cities and towns have replaced their conventional streetlights, primarily high-pressure sodium lamps, with LED streetlights.
Because the lighting system needed to be repaired and replaced no matter what type of lamp was used, the study authors examined the cost of the LEDs compared to new high pressure sodium lamps when calculating simple payback.
Featuring 600 watt sodium lamps, the unit replicates the effect of natural daylight on areas of the pitch to maintain the health of the grass during the winter months.
The realisation that the sodium lamps were interrupting the mating patterns was made by amateur naturalist Jenni Cox, who noticed the problem on Marine Drive.
Between the new LED lighting and a new streamlined response process, this number dropped to 200 (all related to high-pressure sodium lamps still in operation).
Keeping with Lexus' environmental credentials, LED lamps have been fitted in the workshop to reduce temperature emanating normally from high intensity sodium lamps and consequently save energy.
The programme has converted 88 sodium lamps into energy saving LED units.