Home > All images > dor123 > Lamps
Return to the thumbnail page FILE 32/124 Return to start See previous file See next file Skip to end
The arc of my Osram HQI-TS 70W/D Excellence Notice the yellow mantle of the arc. I've never seen this before. What causes this?

The arc of my Osram HQI-TS 70W/D Excellence

Notice the yellow mantle of the arc. I've never seen this before. What causes this?

IMG_1428.JPG IMG_1436.JPG IMG_1520.JPG IMG_1521.JPG IMG_1528.JPG
File information
Filename:IMG_1520.JPG
Album name:dor123 / Lamps
Filesize:542 KiB
Date added:29 Jul, 2026
Dimensions:1920 x 1080 pixels
Displayed:92 times
URL:http://80.229.24.59:9232/gallery/displayimage.php?pid=25290
Favourites:Add to Favourites

Comment 1 to 2 of 2
Page: 1

AngryHorse   [09 Aug, 2026 at 07:38 PM]
Could be from the electrodes?, I know these Excelence lamps run the electrodes hot?
dor123   [09 Aug, 2026 at 07:44 PM]
You can see that the outer mantle of the arc itself if yellow rather than red. This have not to do with the electrodes.

Comment 1 to 2 of 2
Page: 1

Add your comment
Anonymous comments are not allowed here. Log in to post your comment