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Having fun with a worn out 250W metal halide lamp! It's been a while since a new selection of old lamps was sitting in a dusty corner (since september!), so I finally decided to take a few home. In the lot is this 250W metal halide lamp. Which manufacturer? The answer is hidden somewhere in the pic! ^__^ Unlike my other one which is completely dead, this one still starts with a BBQ ignitor and a few bumps XD. Once both electrodes are hot (i.e. produce thermionic emission) the arc stabilizes and the lamp partly warms up. It doesn't stay on more than ~ 35 sec though. I am making a video of the voltage my clamp meter read across the lamp during the time it's warming up, very interesting! Keywords: Lamps

Having fun with a worn out 250W metal halide lamp!

It's been a while since a new selection of old lamps was sitting in a dusty corner (since september!), so I finally decided to take a few home.

In the lot is this 250W metal halide lamp. Which manufacturer? The answer is hidden somewhere in the pic! ^__^

Unlike my other one which is completely dead, this one still starts with a BBQ ignitor and a few bumps XD. Once both electrodes are hot (i.e. produce thermionic emission) the arc stabilizes and the lamp partly warms up. It doesn't stay on more than ~ 35 sec though.

I am making a video of the voltage my clamp meter read across the lamp during the time it's warming up, very interesting!

HPIM0605.JPG HPIM0601.JPG HPIM0598.JPG HPIM0597.JPG HPIM0595.JPG
File information
Filename:HPIM0598.JPG
Album name:Vince / HID lamps and ballasts
Keywords:Lamps
Company and Date Manufactured:May 2005
Model Number:MH250/U
Wattage:250W
Lamp Type:Metal halide
Filesize:1011 KiB
Date added:Jan 21, 2012
Dimensions:2592 x 1944 pixels
Displayed:91 times
Color Space:sRGB
Contrast:0
DateTime Original:2012:01:21 15:01:41
Exposure Bias:0 EV
Exposure Mode:0
Exposure Program:Program
Exposure Time:10/1199 sec
FNumber:f/3.6
Flash:No Flash
Focal length:7.5 mm
ISO:194
Light Source:Unknown: 0
Make:Hewlett-packard
Max Aperture:f/3
Model:HP DVC V5061u
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=10412
Favorites:Add to Favorites

Comment 1 to 2 of 2
Page: 1

gailgrove   [Jan 21, 2012 at 09:27 PM]
Philips. Razz
TiCoune66   [Jan 21, 2012 at 10:14 PM]
Yup XD.

Comment 1 to 2 of 2
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