Osram 150w HQI-TS Powerstar (New version)

Close-up photograph of the arcstream.
It's an interesting shape, no doubt in order to try and get the most consistent arc tube temperature.
No exhaust tip either.

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Album name:	FrontSideBus / HID: Metal Halide
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Date added:	26 Dec, 2015
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Comment 1 to 4 of 4

Page: 1

Danny

[26 Dec, 2015 at 10:50 PM]

Another stunning photo always enjoy these pics.

FrontSideBus

[26 Dec, 2015 at 11:22 PM]

Cheers.

AngryHorse

[27 Dec, 2015 at 09:06 AM]

Never seen a HQI with a starting aid before! Cool

dor123

[26 Apr, 2024 at 02:10 PM]

I've two Osram HQI-TS 70W/WDL and one Osram HQI-TS 70W/D.
I think that the older versions of the /WDL were better, as they had tin in additional to the thallium and sodium.
The current version have the tin replaced by rare-earths, and rare-earths have much lower pressure than tin, and are less interesting me.
The current version also don't have radioactive elements, so there is a corona wire around the arctube that cause a glow discharge in the argon filling in the outerbulb, when the lamp igniting, producing UV radiation so to start the arctube.

Comment 1 to 4 of 4

Page: 1

Osram 150w HQI-TS Powerstar (New version)

Close-up photograph of the arcstream. It's an interesting shape, no doubt in order to try and get the most consistent arc tube temperature. No exhaust tip either.

Close-up photograph of the arcstream.
It's an interesting shape, no doubt in order to try and get the most consistent arc tube temperature.
No exhaust tip either.