- Jan 09, 2018-
Mercury Lamp, the mercury into the vacuum of the rigid glass tube or quartz glass tube, after the electricity, mercury vapor discharge and emit strong light lamps. Used for photography, blueprint or street lighting. Mercury lamps have the advantages of high light efficiency, long life, power saving, earthquake resistance and so on. The disadvantage is that the supply voltage fluctuation can not be too large, voltage such as sudden landing 5% will cause midway out, over a period of time temperature down, and then restart.