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Line Materials Unistyle

Line Materials Unistyle

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This is in Deerwood MN. It has a very greened out coated lamp in it, but still lights the road well at night. The area this was in still has a few mercury fixtures, so they aren't entirely extinct...yet

IMG_20151005_122847.jpg SAM_1399.JPG SAM_1408.JPG SAM_1380.JPG

Light Information

Light Information

Manufacturer:Line Materials
Model Reference:Unistyle
Lamp
Lamp Type:Mercury vapor
Filament/Radiator Type:Quartz arctube
Base:Mogul
Fixture
Fixture Type:Cobrahead
Photocell Type:twist'n'lock
Location:Deerwood MN
Electrical
Wattage:175 or 250
Optical
Lumen Efficacy:not very high right now
Physical/Production
Application/Use:Rural roadway lighting

File information

File information

Download: Download this File
Filename:SAM_1408.JPG
Album name:Lumex120 / Metal halide/Mercury vapor
Keywords:Lanterns
File Size:321 KB
Date added:Oct 04, 2015
Dimensions:2465 x 1848 pixels
Displayed:197 times
URL:https://www.lighting-gallery.net/gallery/displayimage.php?pos=-112358
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rjluna2
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Robert


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Oct 05, 2015 at 05:04 AM Author: rjluna2
Cool find, Zarlog

Pretty, please no more Chinese failure.

Lumex120
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samrinne.75 UCM30tBQDUECOV6VeG5W87Vg zfarmadillo
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Oct 05, 2015 at 11:46 AM Author: Lumex120
Thanks.

Any machine is a smoke machine if you operate it wrong enough.

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GoL Solanaceae.Keif.Fitz Keif Fitz bubby_keif
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Oct 05, 2015 at 02:19 PM Author: Solanaceae
I love these, this looks like a 175. My fav is the 400 and I may get a few soon.

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samrinne.75 UCM30tBQDUECOV6VeG5W87Vg zfarmadillo
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Oct 05, 2015 at 02:23 PM Author: Lumex120
@Solanaceae
Where from?

Any machine is a smoke machine if you operate it wrong enough.

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GoL Solanaceae.Keif.Fitz Keif Fitz bubby_keif
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Oct 05, 2015 at 03:03 PM Author: Solanaceae
A local drive in theater.

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streetlight98
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Mike McCann


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Oct 06, 2015 at 06:30 PM Author: streetlight98
This is an early Line Material Unistyle 175, with the PC practically hanging off the back end of the fixture. The second generation of Unistyles had the PCs slightly moved forward.

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

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samrinne.75 UCM30tBQDUECOV6VeG5W87Vg zfarmadillo
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Apr 11, 2017 at 06:43 PM Author: Lumex120
Well, this has sadly been replaced. Not with an LED though, but with a 200w HPS American Electric 115. To be honest, I am happy about this since they didn't downgrade it to LED. I am starting to think this may have been 100w now since this area has a mixture of 100w and 175w fixtures. They still maintain the 175w fixtures (an equally dim M250 down the road from this that I suspect is 175w got relamped very recently, the lamp still has that purple tinge that new /DX lamps have.) On another back road near this there is a GE M250A that actually appears to have a metal halide lamp installed.

Any machine is a smoke machine if you operate it wrong enough.

streetlight98
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Mike McCann


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Apr 11, 2017 at 07:28 PM Author: streetlight98
Weird they replaced it with such a high wattage HPS. Around here, they often replace 400W MV with something ridiculous like 100W HPS or even 50W HPS if the lamp is really dimmed out. I guess they figure it's been running dim for this long of a time that the extra light isn't needed. Kinda stupid lol.

Any /DX lamp I've seen has a pinkish tone to it. The only MVs that have a purplish tint to them are the /X phosphor MV lamps, which are actually purple in color. Never seen one in person though.

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

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samrinne.75 UCM30tBQDUECOV6VeG5W87Vg zfarmadillo
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Apr 11, 2017 at 07:35 PM Author: Lumex120
They replace everything with 200w or 250w HPS around there for some reason. At least it is nice and bright.

Any machine is a smoke machine if you operate it wrong enough.

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Mike McCann


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Apr 11, 2017 at 07:40 PM Author: streetlight98
Ah interesting. They use 200 AND 250W HPS? That's even more interesting. Usually utilities use one or the other (typically 250W). 200W HPS is the actual lumen-equivalent of 400W HPS but 250W HPS was used more predominantly I think because the extra brightness helped offset the reduced visibility from HPS lighting.

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

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samrinne.75 UCM30tBQDUECOV6VeG5W87Vg zfarmadillo
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Apr 11, 2017 at 07:55 PM Author: Lumex120
200w HPS is equal to 400w HPS? Gee, modern lamps must be TONS more efficient than older lamps.

In all seriousness though, the 250w being used as a 400w merc replacement makes more sense. All HPS installations I have seen (200w and up) look much brighter than the 150w and below installations. (The difference between a 150w and a 200w lamp in terms of visibility is quite large.)

Any machine is a smoke machine if you operate it wrong enough.

streetlight98
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Mike McCann


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Apr 11, 2017 at 08:09 PM Author: streetlight98
150W HPS has 16000L, 200W HPS has 22000L, and 250W HPS has 29000L, so yeah, quite a difference there. 250W MV has 11000L and 400W MV has 23000L. But brightness-wise I'd say 150W HPS and 250W HPS are better replacements for 250 and 400W MV. 50W HPS and 100W MV both are rated for 4000L but the HPS is noticeably dimmer than 100W MV. 70W HPS is a better replacement for 100W MV IMO. 100W HPS is about 2000 lumens more than 175W MV, so to the naked eye they're around the same brightness.

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

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