A phenomenon that i have seen in new HPS retrofit for MV ballasts in videos « on: April 10, 2012, 07:05:04 AM » Author: dor123
While there are some HPS retrofits for MV ballasts that turns from red neon to bluish mercury and then to orange sodium, i have seen in many videos of some members here, that new HPS retrofits lamps that turns from red neon to orange sodium without the bluish mercury color in between, tends to turn for a second to a xenon like white color between the red neon to the orange sodium color. Why this is happening? Is this also related to the mercury in the lamps?
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I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.

I only working with the international date format (dd.mm.yyyy).

I lives in Israel, which is a 220-240V, 50hz country.

	Re: A phenomenon that i have seen in new HPS retrofit for MV ballasts in videos « Reply #2 on: April 10, 2012, 11:53:18 AM » Author: dor123
Ash: I don't means why several HPS have mercury color after starting. I means why neon based HPS retrofits for MV ballasts that don't shows the mercury color during the move from the red neon color to the orange sodium color, exhibits a xenon like white color for a sec between the red and the orange color, as i saw in videos? This question may only be answered by other members, as we haven't these lamps in Israel. Probably this is a camera AWB that causes this color, and in reality this is a colors mixture of the merucry+sodium colors? lantern_vision can answer this, as he have numerous neon based HPS retrofit for MV ballasts.
		Logged

I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.

I only working with the international date format (dd.mm.yyyy).

I lives in Israel, which is a 220-240V, 50hz country.

	Re: A phenomenon that i have seen in new HPS retrofit for MV ballasts in videos « Reply #3 on: April 10, 2012, 01:43:08 PM » Author: BG101
If you've only actually seen this on videos then there is no way to judge it because as you say, white balance will probably come into play and cameras (also monitors to some degree) tend not to be very colour-accurate with high intensity light sources. Even decent cameras struggle with colour purity on things like neon signs. BG
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Say NO to DICTATORSHIP in the form of bulb/tube/ballast bans !!