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Westinghouse 700W LifeGuard Mercury lamp

Westinghouse 700W LifeGuard Mercury lamp

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heres a Picture of my 700W Westinghouse Mercury lamp from the US, fully run up.

I have had this lamp for a good few years now, but this is the first time I have been able to light it, as US 700W Mercury lamps are electrically different then British ones, US 700W MV lamps run at 265V 2.8A, where as British 700W MB Lamps run at 135V 5.4A, so for me to run this lamp it required a rather complicated and special gear/ballast setup.

(even in the US most collectors with 700W MV lamps have not lit theirs, as 700W Mercury gear is very rare, as it was a rather uncommon wattage)

its been a long time since i last uploaded something :)
parmar-cwa-1kw.jpg 1kw-mh-us-lit.jpg Image_uploaded_from_iOS_28429.jpg Image_uploaded_from_iOS_28529.jpg

Light Information

Light Information

Manufacturer:Westinghouse
Model Reference:H35ND-700/DX LifeGuard
Lamp
Lamp Type:High pressure Mercury vapour
Filament/Radiator Type:Quartz arc tube
Base:brass E39
Shape/Finish:BT46 phosphor coated
Electrical
Wattage:700W
Voltage:265V (400V+ OCV)
Current:2.8A

File information

File information

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Filename:Image_uploaded_from_iOS_28429.jpg
Album name:Bulb Freak / My lights
Keywords:Lamps
File Size:188 KB
Date added:Sep 25, 2017
Dimensions:2465 x 1849 pixels
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rjluna2
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Robert


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Sep 26, 2017 at 05:10 AM Author: rjluna2
In other words, ANSI H35 ballast are hard to find?

Pretty, please no more Chinese failure.
Bulb Freak
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Sep 26, 2017 at 11:53 AM Author: Bulb Freak
indeed so in the US, and in the UK H35 ballasts where (As far as i know) never sold/exported or made here requiring me to get a bit creative with my gear setup to drive the lamp at its proper 265V 2.8A

My other hobby is buses, especially the Routemaster
arcblue
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Sep 27, 2017 at 09:07 AM Author: arcblue
Very cool that you set something up to run this one. The 700w mercury lamps were very common in my area up until about 30 years ago. The very last working one was removed in the early 2000's. I have one of the lamps that I thought was working at time of removal but it's completely dead and won't even light on a 1000w HPS ballast.

I'm lampin...
Bulb Freak
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Sep 27, 2017 at 10:28 AM Author: Bulb Freak
Thanks im surprised your lamp does not work at all, when you say 1Kw HPS ballast is that including an ignitor? I imagine you would get some sort of glow discharge... (if you did not use an ignitor keep in mind that HPS ballasts have a lower OCV as they dont rely on the OCV to strike the lamp)

BTW I also have the same 2Kw Metal halide lamp as you have shown in that gallery, I used the same gear setup here to run that lamp up, sadly only to about 1200W as while I might be able to to do 2Kw My Variac I dont think would be up to the task and my extension lead was already getting a bit warm for my liking at "just" 1200W...

My other hobby is buses, especially the Routemaster
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