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why inside trigger lifespan of high-handed sodium lamp than outside the lowness that trigger?

Hits:  UpdateTime:2015-06-16 17:11:42

Reply: inside trigger lifespan of high-handed sodium lamp depends in the bulb heat the coil , lifespan bulb electric arc takes care can reach more than 20,000 hours, but heat the coil burns, the bulb is unable to also point to brighten; outside trigger the high-handed sodium lamp have not heats the coil, such lifespan completely depends electric arc takes care, trigger at actually lifespan of high-handed sodium lamp than outside the lowness that trigger.


TAG:  trigger lifespan of high-handed sodium lamp than outside the lowness that trigger