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Philips 400w metal halide bulb

Philips 400w metal halide bulb

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IDK but, the arc tube is kinda messed up.

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Light Information

Light Information

Manufacturer:Philips
Lamp
Lamp Type:Metal Halide
Filament/Radiator Type:arc tube
Base:Mogul
Electrical
Wattage:400w

File information

File information

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Filename:IMAG1488.jpg
Album name:lightinglover8902 / Other Lighting of all Types
Keywords:Lamps
File Size:360 KB
Date added:Nov 10, 2018
Dimensions:1386 x 2464 pixels
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Date Time:2018:11:10 14:57:33
DateTime Original:2018:11:10 14:57:33
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FNumber:f 2
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Focal length:3.79 mm
ISO:125
Make:HTC
Model:2PYB2
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Comments
streetlight98
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Mike McCann


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Nov 10, 2018 at 08:00 PM Author: streetlight98
It's just the chemicals inside the arc tube. Some MH lamps have that. I don't think it means that anything's wrong though.

Please check out my newly-updated website! McCann Lighting Company is where my street light collection is displayed in detail.

WestinghouseCeramalux
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Nov 10, 2018 at 10:50 PM Author: WestinghouseCeramalux
What you're seeing is condensed halide salts. This is perfectly normal for a new metal-halide lamp.

"If someday they say of me that in my work I have contributed something to the welfare and happiness of my fellow man, I shall be satisfied."  George Westinghouse

SodiumGuy
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Nov 14, 2018 at 01:04 AM Author: SodiumGuy
These are great lamps! I have one in a recessed fixture and the color rendering is much more pleasing than all the other 400w probe start lamps i have. When HD puts them on sale I will be buying the rest of them
Lightingguy1994
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Nov 21, 2018 at 05:35 PM Author: Lightingguy1994
It is OK, I have many new MH lamps, the yellow blotches are normal.

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BlueHalide
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Nov 21, 2018 at 07:32 PM Author: BlueHalide
yep, the condensed dose of sodium and scandium iodides, Philips does not run up their lamps fully in the test before packaging, just a brief on/off to ensure they start. This results in the yellow-brownish blobs you see. It disappears once the lamp has been fully cycled at full power
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220V AC 50Hz, 525@29,970i NTSC


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Jul 24, 2019 at 12:46 AM Author: Binarix128

What you're seeing is condensed halide salts. This is perfectly normal for a new metal-halide lamp.

Indeed! Here's a picture of a new fresh MH bulb (It's a PHILIPS too, but in 250w)

LED will never beat other lamps. :inc: :hps: :mv:
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