HPS arctubes? « on: October 05, 2018, 10:07:52 AM » Author: wattMaster
What would happen if a standard HPS lamp didn't have any mercury, and relied on the xenon to get to a high temperature? Could it work?
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	Re: HPS arctubes? « Reply #1 on: October 05, 2018, 10:18:14 AM » Author: dor123
There are mercury free HPS lamps, but their xenon pressure is 200-300 torr to compensate for the absence of the mercury, and their ignition voltage is higher than standard HPS lamps, so they have starting aids. Their color is much yellower than standard HPS lamps: https://www.lighting-gallery.net/gallery/displayimage.php?pos=-135003
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