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why high-handed mercury lamp extinguish after start at once now again, need a period of time can normally shine?

Hits:  UpdateTime:2015-06-16 17:04:01

Reply: because after the normal ignition point extinguishes, the high-handed mercury lamp bulb discharges take care inside the mercury vapour stress is very high, when the bulb doesn't cooling, accordingly start the tension is very high, therefore even if electrify after lamp extinguishes at once, lamp can't open bright at once, usually need pass 5~10 minutes, cooling stay bulb, after in lamp the mercury vapour freezing open again bright.


TAG:   high-handed mercury lamp