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Metal vapor arc discharge lamp application in matters towards the awareness of your mercury and sodium is distinct discharge material, so high pressure mercury lamp and high pressure sodium lamp the distinctive functionality. Street light source notes are as follows:

A, light bulbs need to be utilised with all the identical specs of your light ballast, otherwise the bulb won't have the ability to begin or shorten the lifestyle span.
B, during the utilization of the light bulb to go out, if the energy supply voltage fluctuations will not be big, ballast damage to other facets of the standard, re begin pilot, if it is even now burning, the bulb cannot proceed to work with, must be replaced by a whole new light bulb.
C, power provide voltage ought to be comparatively stable, transient changes should not be also big. If your power supply voltage all of a sudden drops 10%, high pressure mercury lamp will extinguish; high pressure sodium lamp energy shortage on account of exhibit of lanterns, light output reduction. Once the voltage is as well large, it'll shorten the service daily life in the lamp.

D, the lamp may be lit at any place, nevertheless, the level of high pressure mercury lamp ignition, luminous flux output will probably be lowered by 7%, along with the light bulb to self extinguishing. The high-pressure sodium lamp photoelectric parameters unchanged.
E, the inner room can't be as well modest, must have fantastic heat dissipation conditions, as a way to have an impact on the lamp life. High pressure sodium lamp is not easy to use single parabolic and reflection kind lamp, the lamp will the majority of the light reflection to the lamp tube, lamp voltage rise, boost the lamp power, shorten the lamp daily life.
F, high pressure mercury lamp outside broken should be handled in time, the replacement from the new international, so a great deal of ultraviolet radiation burns and eye skin.
G, restart time. From the application of high pressure mercury lamp rapidly ignited, might be installed to ensure the electronic ignitor, quick start off.