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GE EZ-Lux 215w HPS retrofit lamp

GE EZ-Lux 215w HPS retrofit lamp

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eBay find, it is NOS. It has a sleeve too but not in the best of shape. I lit this on a 250w mercury HX type ballast and it has a neon-argon penning gas mixture. Took several minutes to reach full brightness and it has a pinkish orange color appearance, unlike the Norelco SON-H lamp which has a more yellowish color at full brightness. The starting set up is unique in the GE compared to those made by Westinghouse, Sylvania and Philips-Norelco. In the others, a bimetallic switch opens when sufficiently heated, in the GE lamp the bimetallic clip that touches the arc tube directly bends away from the arc tube when heated. I found the bimetallic switch was made by Texas Instruments and it is a Tri-flex E5.

image~511.jpg image~424.jpg image~419.jpg Dave_Pic_6.jpg

Light Information

Light Information

Manufacturer:GE
Model Reference:LUH215/EZ
Lamp
Lamp Type:HPS retrofit
Base:E39s
Shape/Finish:E28
Service Life:12,000 hours
Electrical
Wattage:215w
Optical
Lumen Output:about 23,000
Color Temperature:1900K
Color Rendering Index:20
Physical/Production
Dimensions:between 9-10 inches
Factory Location:Ravenna, Ohio USA
Fabrication Date:1984
Application/Use:in place of 250w mercury lamps on same ballasts

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Album name:silverliner / high pressure sodium
Keywords:Lamps
File Size:189 KB
Date added:Jul 17, 2014
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Comments
don93s
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Jul 17, 2014 at 09:15 PM Author: don93s
That's the first GE version retrofit I've seen. Interesting design.
dor123
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Jul 18, 2014 at 12:05 AM Author: dor123
Where is the starting spiral? I only see the bi-metal that cuts out the starting device when the lamp is hot.

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

Silverliner
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Verd a ray classic.


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Jul 18, 2014 at 01:24 AM Author: Silverliner
@dor, it doesn't have a starting spiral, the bimetallic clip that touches the arc tube serves the same function in lamp starting. GE's starting mechanism is a bit different from HPS retrofit lamps made by other manufacturers.

May all the great lighting technologies have their place in history.

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