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Cadmium Spectral lamp

Cadmium Spectral lamp

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Philips manufactured spectral lamp containing Cadmium. Construction appears to be similar to a high-pressure mercury with a quartz discharge tube, but the electrodes are hidden from the main arc, possibly to reduce thermal emission in the spectrum. The outer envelope is evacuated.

NHT150SDX_a.jpg Hg_Cd_lamps.jpg Phil_Cd.jpg xenon_trig.jpg

Light Information

Light Information

Manufacturer:Philips
Model Reference:Spectral Cd

File information

File information

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Filename:Phil_Cd.jpg
Album name:tuopeek / High Pressure Lamps
Keywords:Lamps
File Size:305 KB
Date added:Sep 11, 2018
Dimensions:1930 x 2464 pixels
Displayed:101 times
Date Time:2018:09:10 20:57:10
DateTime Original:2018:09:10 20:10:06
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Exposure Time:1/125 sec
FNumber:f 5.3
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Focal length:48 mm
ISO:1800
Make:NIKON CORPORATION
Model:NIKON D3400
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Cal
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Sep 11, 2018 at 10:34 AM Author: Cal
Is this photo colour accurate? One of my subs on YouTube lit these recently, he is an Aussie I think, are you the same person? I can’t even remember the YT name, might be rustymotor.
tuopeek
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tuopeek 111967450636623837217 tuopeek1 77334065@N05/
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Sep 11, 2018 at 11:11 AM Author: tuopeek
Colour was tricky to capture accurately. This one seemed to be the closest out of a few I took. The others appeared bluer. The think the background is fluorescing a bit but it does appear duller and greener than a mercury. I haven't any YT videos up on this lamp so not me. I have a low pressure Cd lamp I will put up for comparison.
dor123
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Sep 11, 2018 at 11:34 AM Author: dor123
In most pictures of cadmium spectra lamps illuminated, that I've seen, the color was similar to this picture. I used to think that cadmium have less green color than high pressure mercury.

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 (dd.mm.yyyy).

I hope that LED won't replace all forms of other light

AngryHorse
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Sep 11, 2018 at 01:58 PM Author: AngryHorse
What a stunning colour, pity they never made general lighting lamps using this?

"Beauty fades, dumb is forever".......Judge Judy Cheesy

HomeBrewLamps
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SodiumVapor 105843202020668111118 UCpGClK_9OH8N4QkD1fp-jNw majorpayne1226
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Sep 11, 2018 at 02:07 PM Author: HomeBrewLamps
Could you put a clear mercury lamp and this side by side so we can see the difference??

--Owen

High Pressure Sodium Scavenger, Urban Explorer, Lighting Enthusiast and Creator of homebrewlamps (Duh lol) Cool High Pressure Sodium

High Pressure Sodium Sodium lighting is king!

tuopeek
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tuopeek 111967450636623837217 tuopeek1 77334065@N05/
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Sep 12, 2018 at 03:52 AM Author: tuopeek
hmmmm, might give that a go. The trick will be matching the light output. The Cadmium light output is less than a similar mercury.
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George Liv


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Nov 14, 2018 at 09:34 PM Author: lights*plus
I want one of these gorgeous lamps so badly! How are you lighting it? (ballast?)
dor123
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Nov 15, 2018 at 12:21 AM Author: dor123
A note for the description that tuopeek put in his picture: The electrodes are behing diaphragms so their sputtering are contained inside them, so the arctube don't blackens during life.

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 (dd.mm.yyyy).

I hope that LED won't replace all forms of other light

tuopeek
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tuopeek 111967450636623837217 tuopeek1 77334065@N05/
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Nov 15, 2018 at 04:06 AM Author: tuopeek
It is running on a leak-transformer designed for 90W SOX sodium lamps. This seems to be the gear Philips suggests using with these lamps. Philips manufactured a selection of very desirable spectral lamps.
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