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BT37 BT56 ED28 ED23.5
   
A23 B17    

Mercury vapor lamps

Mercury vapor lamps belong to the  traditional type of high-intensity discharge lighting, and they are mainly used primarily for street lighting.

Mercury vapor lamps can produce 50 lumens per watt approximately. They cast a very cool blue/green white light. Most of the indoor mercury vapor lamps in arenas and gymnasiums have been replaced by metal halide lamps which have a higher color rendition index and a higher efficacy. However, like high-pressure sodium lamps, mercury vapor lamps have longer life hours (16,000-24,000 hours) than the metal halide lamps.

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