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150w HPS Dura Star 2000 - Lamp

150w HPS Dura Star 2000 - Lamp

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The lamp in my Dura star is a Sylvania Lumalux LU150/55/D I used the diffuse coated lamp to help with glare .

Date code on lamp base : b9b8

DSCN3579.JPG DSCN3582.JPG DSCN3585.JPG DSCN3545.JPG

Light Information

Light Information

Manufacturer:American Electric Lighting/ Sylvania
Model Reference:Dura Star 2000
Lamp
Lamp Type:Sylvania 150 w S-55 HPS
Filament/Radiator Type:Arc-tube
Base:Mogul
Shape/Finish:ET-23 1/2 coated
Fixture
Socket Type:Mogul
Arm Type:1 1/2 " rigid conduit
Location:my collection
Electrical
Wattage:150
Voltage:120
Physical/Production
Dimensions:26.5"L X 12.625"W X 10.5" H (includes P/C)
Fabrication Date:3/17/2016
Application/Use:streetlighting/ parking lot lighting

File information

File information

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Filename:DSCN3585.JPG
Album name:wide-lite 1000 / My Lights
Keywords:Lamps
File Size:478 KB
Date added:Dec 01, 2019
Dimensions:2464 x 1848 pixels
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Date Time:2019:12:01 23:26:43
DateTime Original:2019:12:01 23:26:43
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ISO:800
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Comments
fluorescent lover 40
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Lights are awesome! :)


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Dec 01, 2019 at 10:54 PM Author: fluorescent lover 40
Cool, a coated lamp! I wish they were just as common like the European ones.

Power provider: Southern California Edison (SCE)

-Date decoder of some US lamps 1960-present.
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wide-lite 1000
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Dec 01, 2019 at 11:45 PM Author: wide-lite 1000
I don't understand why coated HPS weren't used more in the U.S. I hear people gripe that they don't like HPS because of the glare vs a COATED MV lamp !

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joseph_125
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GoL
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Dec 02, 2019 at 02:42 AM Author: joseph_125
Same here, I think I've only seen them in the wild in some indoor HPS installations.
Globe Collector
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Preserving the Brightest Ideas of Our Age


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Dec 02, 2019 at 03:23 AM Author: Globe Collector
Unusual to see a BT bulb on such a small lamp.

Manufactured articles should be made to be used, not made to be sold!

Fee, Fye, Fow, Fum, A dead man's eye and a parrot's BUM!

streetlight98
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Mike McCann


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Dec 02, 2019 at 04:52 PM Author: streetlight98
I think coated lamps weren't popular because they produce fewer lumens per watt and the distribution of light is poor. Coated MV was used for function (higher LPW), not to reduce glare. But I do wish coated hps was more common.

Btw is it true that even the reflector is plastic on these things?

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

sox35
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Mainly the electrical side of things


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Dec 02, 2019 at 05:06 PM Author: sox35
I prefer clear HPS, clear most lamps really, as I like to see what's inside them. They're also good when precise optical control is needed. But coated lamps are better when in direct view, as they produce less glare.

Ria in Aberdeen
It'll be all right in the end, and if it isn't all right, it isn't the end  Smiley

wide-lite 1000
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Dec 02, 2019 at 06:23 PM Author: wide-lite 1000
@ Globe Collector : These were Sylvania's bright idea for a while They actually called it an ET-23 1/2 . I'm not overly fond of them myself. This was the only coated 150w lamp i could find at the time without spending a fortune !

@ streetlight98 : YES , the reflector IS plastic/fiberglass ! Years ago when I lived in Ct. there was a parking lot lit entirely with coated ED-37 400w HPS lamps and it was lit evenly and BRIGHT but without the glare !

@ sox35 : I agree totally ! I originally had a clear lamp in this fixture but changed it out cause the glare was messing with my eyes more than usual !

Collector,Hoarder,Pack-rat! Clear mercury Rules!!

WestinghouseCeramalux
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Dec 03, 2019 at 05:08 PM Author: WestinghouseCeramalux

Btw is it true that even the reflector is plastic on these things?


Yes, the reflector is indeed non-metallic.

Your mission - should you choose to accept it - is to save unique and rare HID lighting before it's all scrapped.

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Dec 03, 2019 at 05:09 PM Author: WestinghouseCeramalux

Unusual to see a BT bulb on such a small lamp.

It's actually an ET23.5 lamp, but it looks a lot like a BT.

Your mission - should you choose to accept it - is to save unique and rare HID lighting before it's all scrapped.

Globe Collector
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Dec 04, 2019 at 12:30 AM Author: Globe Collector
I just noticed the Barium Mirror Getter in the basewell.....don't see many with that, these days either, most have those zirconium-aluminium-cobalt pellets or strips.


If this is an ET bulb, I should think about procuring one....are they available on E-Bay U.S.A.?

Manufactured articles should be made to be used, not made to be sold!

Fee, Fye, Fow, Fum, A dead man's eye and a parrot's BUM!

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Dec 04, 2019 at 02:51 AM Author: Bottled lightning
Yes, the 100w mv version seems to be fairly common as well.
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Dec 04, 2019 at 04:57 PM Author: wide-lite 1000

I just noticed the Barium Mirror Getter in the basewell.....don't see many with that, these days either, most have those zirconium-aluminium-cobalt pellets or strips.


If this is an ET bulb, I should think about procuring one....are they available on E-Bay U.S.A.?


There are several available on eBay as we speak : https://www.ebay.com/itm/Sylvania-Lumalux-High-Pressure-Sodium-Lamp-LU70-ECO-67512-3/323932390914

https://www.ebay.com/itm/SYLVANIA-67517-1-LU150-55-D-Lumalux-Lamp-FAST-FREE-SHIPPING-USA/283278342586

Collector,Hoarder,Pack-rat! Clear mercury Rules!!

sox35
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Mainly the electrical side of things


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Dec 04, 2019 at 05:01 PM Author: sox35
Those look nice, I'm assuming they are for US ballasts, wondering what UK ballast might run this..?

Ria in Aberdeen
It'll be all right in the end, and if it isn't all right, it isn't the end  Smiley

wide-lite 1000
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Dec 04, 2019 at 05:03 PM Author: wide-lite 1000

Those look nice, I'm assuming they are for US ballasts, wondering what UK ballast might run this..?

I'm not sure .

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WestinghouseCeramalux
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Dec 04, 2019 at 05:04 PM Author: WestinghouseCeramalux

Those look nice, I'm assuming they are for US ballasts, wondering what UK ballast might run this..?


They are 120VOC, and operate at nominal 55V.

Your mission - should you choose to accept it - is to save unique and rare HID lighting before it's all scrapped.

sox35
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Mainly the electrical side of things


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Dec 04, 2019 at 05:05 PM Author: sox35

They are 120VOC, and operate at nominal 55V.

Ok, thanks for that, I'll do some investigating

Ria in Aberdeen
It'll be all right in the end, and if it isn't all right, it isn't the end  Smiley

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Dec 05, 2019 at 02:12 AM Author: joseph_125
I think in theory the coated lamps are also a better approximation in terms of photometrics to coated MV lamps in retrofitted MV luminaires that had reflectors designed for coated MV lamps but in practice they just use clear HPS for everything or at least they did here.

Interesting that the reflector is plastic on the Durastars. Most of the incandescent plastic traffic lights were still equipped with aluminum reflectors. Plastic reflectors were fairly rare.
streetlight98
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Dec 05, 2019 at 05:39 AM Author: streetlight98
Yeah I'd think the reflector would melt from the heat. Maybe the durastar 3000 had an aluminum reflector? I cant see a 400w lamp not doing any damage to a plastic reflector.

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

wide-lite 1000
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Dec 06, 2019 at 10:58 PM Author: wide-lite 1000
There is 1 Durastar 3000 near me but it is too far from the fence for me to get a good picture of the reflector. I would ASSUME it still is all fiberglass including the reflector.

BTW , I googled the "temperature rating of fiberglass" and apparently it begins to soften at 1500 deg. F and melts at 2050 deg. F !

Collector,Hoarder,Pack-rat! Clear mercury Rules!!

sox35
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Mainly the electrical side of things


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Dec 07, 2019 at 07:21 AM Author: sox35
Don't think the lamp would get that hot, well not outside the arc tube, anyway

Ria in Aberdeen
It'll be all right in the end, and if it isn't all right, it isn't the end  Smiley

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