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Osram Powerstar HQI-BT 400w

Osram Powerstar HQI-BT 400w

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Very nice 400w Osram metal halide lamp with a 5500k colour temperature and very high colour rendering properties although they are not as efficient as warmer coloured lamps.

The bulged outer jacket was to solve a problem of the outer sometimes reaching softening temperature and being "sucked in" when used horizontally.

Lit pic:

DPP_3619.JPG IMG_0583.JPG DPP_3068.JPG DPP_3067.JPG

Light Information

Light Information

Model Reference:HQI-BT 400W/D
Lamp Type:MBI-T
Service Life:16,000 hours
Lumen Output:34,000lm
Color Temperature:5500k
Color Rendering Index:92%
Dimensions:285 x 62mm
Factory Location:Slovakia
Fabrication Date:T798

File information

File information

Download: Download this File
Album name:FrontSideBus / HID: Metal halide
File Size:1789 KB
Date added:Sep 05, 2014
Dimensions:1920 x 1280 pixels
Displayed:196 times
Date Time:2014:09:05 11:33:41
DateTime Original:2014:09:05 11:33:41
Exposure Bias:1 EV
Exposure Time:3/10 sec
FNumber:f 11
Flash:No Flash
Focal length:50 mm
Model:Canon EOS 70D
Software:Digital Photo Profes
White Balance:0
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Beta 5
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Sep 05, 2014 at 12:21 PM Author: Beta 5
Would the bulge also help in case of lamp explosion at EOL to stop the outer glass from breaking?

Thorn Beta 5 35W SOX :lps: Top entry/Side entry :soxltrn:

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Sep 05, 2014 at 01:08 PM Author: dor123

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 European date format (

I lives in Israel, which is a 230-240V, 50hz country.

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Oct 23, 2014 at 04:32 PM Author: Globe Collector
There is something interesting here. The box depicts a lamp with a Barium Azide getter whereas the actual lamp has a ZrAl sintered pellet getter, so they must have changed the lamp's design without changing the packet artwork to match.
I have a couple of Sylvania versions of this BT lampm but cannot remember if I have this Osram one from Spandau.

Manufactured articles should be made to be used, not made to be sold!

Fee, Fye, Fow, Fum, A dead man's eye and a parrot's BUM!

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