Learn About The Operating Procedure Of High Pressure Sodium Lights And In What Way These Particular Lamps Can Be Exceptionally Efficient

The high pressure sodium lights are relatively small and contain extra element mercury. On beginning struck dark pink color glow is produced and when it gets further heated it becomes pinkish orange. Some times in between a bluish while glow is also made because of the mercury present inside when the sodium is not completely warmed.

The D line of sodium is responsible for the generation of light from the lamp, which is highly pressurized broadened by the high pressure of sodium. This broadened and mercury emission results in distinct vision under the lamp. Thus it can be used in spots where color rendering is a very crucial element. Thus sodium bulbs are used by indoor gardeners due to vast range color temperature spectrum at much cheaper cost. Due to the intense high chemical reactivity of the sodium arc inside the lamp it is excursively made up of Aluminum oxide layer to protect it from deprivation. A noble gas Xenon is injected into the lamp which acts as a starter gas. It do not interfere with reactions occurring inside the lamp, and helps the lamp to start at relatively lower potential but itself remains to be inactive and unchanged and thus acts as catalyst.

Usually there are three modes of operation of high pressure sodium lamps:-

- Lamp is switched off, when no current flows.
- Lamp is operating when liquid amalgam is present in the tube.
- Lamp is working when the whole amalgam has evaporated.

The performance of sodium lamp is 50 to 140 lumen/watt which is much more than mercury lamps. High pressure sodium light causes remarkably very less pollution compared to mercury vapor lamp. Thus high pressure sodium lights are not only significantly more effective and useful than other modes of light but are also eco friendly in nature. Hence, we should welcome this new invention with warm hands.

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