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400w clear mercury lamps in highbays

400w clear mercury lamps in highbays

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Took my eyes a second to adjust to the nearly 100% clear mercury vapor light when I walked into this building. They must've got these clear 400w lamps super cheap or something because they are in modern Lithonia MH highbays. The few fixtures you see that are producing white light, are actually DX phosphor mercury lamps too. So something tells me the maintenance guy here doesn't know the difference between mercury and metal halide, and just buys whatevers cheapest

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Album name:BlueHalide / New album
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Date added:Jul 29, 2015
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BlueHalide
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Jul 29, 2015 at 07:22 PM Author: BlueHalide
the clear lamps appear older than the DX lamps, which appear recently installed. One fixture had a big (200w maybe) CFL in it that was flickering terribly.
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Jul 29, 2015 at 07:28 PM Author: nicksfans
Wouldn't be surprised if someone just shoved that CFL in there without bypassing the ballast.

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Jul 29, 2015 at 07:29 PM Author: Solanaceae
They do make retrofit CFLs specifically to use In mv lights. I put a 13w CFL on a 100w ballast and it didn't flicker, it got super bright super fast. I bet someone bought a cheep grow cfl on eBay and shoved it in the light. The good thing here is that the Mercury lamps are ok to use on mh ballasts and actually make them run cooler. Just be sure that you use a probe start ballast or disconnect the Ignitor on a pulse ballast. The clear lamps are super greened out though.

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Jul 29, 2015 at 07:39 PM Author: BlueHalide
oh yeah, that self ballasted CFL was definitely just screwed in and the fixture's ballast box not touched. The heavy current and OCV from the magnetic MH CWA likely fried that electronic CFL gear instantly. It looks like a strobe
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Jul 29, 2015 at 07:46 PM Author: BlueHalide
I just cant believe nobody questioned the color when whoever relamped with the clear MV. These highbays started out as MH when they were first installed. (All Lithonia MH highbays come with Venture lamps)
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Jul 29, 2015 at 07:59 PM Author: Solanaceae
It is better than the Orange HPS high bays I saw at the old indoor soccer center. There were like five HPS high bays where old mv ones that had dead ballasts were, and they were near the goals, so they may have been struck by a ball and shorted the ballast if the leads in the lamp got shorted.

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Jul 29, 2015 at 08:43 PM Author: BlueHalide
I like clear mercury vapor as much as the next guy on here, but ide actually rather prefer HPS in this situation, at least the color would be warm and inviting. Clear mercury looks good outdoors, but indoors I just cant stand the color, not to mention everybody looks "zombified". When I use mercury vapor inside my garage and basement, its DX lamps
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Jul 29, 2015 at 08:58 PM Author: FGS
As much as I love seeing clear mercs in use indoors and in modern MH fixtures at that. CMH retrofits for probe start MHs will look better.

Btw, what is this building used for? Walking Dead running games?

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Jul 29, 2015 at 09:17 PM Author: BlueHalide
This building is used primarily for auctions. Which is something that you'd think they would want halfway decent color rendering for. I guess not. People finding out the gray colored stuff they bought is actually red when they walk outside lol
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Jul 29, 2015 at 09:42 PM Author: Silverliner
They likely have metal halide ballasts with mercury lamps snuck in. If I was there, I can tell you if they have such ballasts, by checking out the flash pattern. Mercury lamps flicker a bit more on MH ballasts than on MV ballasts.

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Jul 29, 2015 at 09:50 PM Author: BlueHalide
They are definitely modern MH highbays just relamped with mercury. I recognized the fixture brand and model immediately as ive installed them before. Typical 400w probe start M59. Flickering wasn't too noticeable, but then there are a lot of fixtures.
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Jul 29, 2015 at 10:58 PM Author: tolivac
I like clear and phosphor mercury lamps,too-but building interior lighting as shown is not a good use for mercury bulbs.should use the orig MH ones for better color reproduction.If the person relamping the facility had to use mercury lights-they should have at least used the DX phosphor ones.And they are paying for LESSlight and LESS desirable light than what they had.Should have stuck with the MH lamps and get more light and better quality light.
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Jul 30, 2015 at 05:55 PM Author: BlueHalide
I don't think the maintenance guy here has any clue the difference between the two types. And that's why I don't like manufacturers adding the mercury ANSI code to an MH ballast relamping label as this just causes the person whose relamping to look at the fixture label and buy the cheapest lamps, which of course would be mercury. And not realizing metal halide would give double the light and great color. I thought they were going to stop printing mercury ANSI codes on new MH ballast labels, but I guess not, as I just bought two new 400w Advance for a job and they read (replace only with lamp type ANSI M59 or H33)
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Jul 30, 2015 at 06:08 PM Author: Solanaceae
The good thing is metal halides produce a crisper light than a DX lamp, which is pinker. The only problem I have is that mh ballasts are bulky and it makes installation more difficult. I waned to find a 175w ballast for probe start mh so I can use both mv and mh lamps in my NEMA bucket but the ballasts I saw were too big.

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Jul 31, 2015 at 12:24 AM Author: Ash
Install it remotely. Its better for the ballast tooo, without the heat of the lamp
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Jul 31, 2015 at 01:16 AM Author: Solanaceae
I agree with you, Ash. The ballasts I have seen in yardblaster and some high bay installation get crispy after years of use in cramped spaces. The heat is especially tough on capacitors, especially the plastic case crapacitors phileep advance uses with their kits. The Silverliners and vintage lights I've seen on here have ballasts in better shape since they are mounted to the side of the lamp rather than above.

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Aug 01, 2015 at 02:10 AM Author:
Clear mercury lamps in an indoor auction house?? Certain people clearly need some lighting education!
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Aug 01, 2015 at 06:17 PM Author: sol
Last week I was in a shopping mall built in the 1970's. It has MV recessed lights. I had only been in there a couple of times and that was back in 2003. Between 2003 and now, they relamped the recessed lights, and used clear mercury lamps instead of the coated ones. There are also cove lights that have daylight deluxe (for the most part anyways) fluorescent lights, and it somewhat balances out but still makes for an awfully green light.
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Aug 01, 2015 at 06:46 PM Author: Alights
I'd take clear MV over HPS but most people wouldn't like either! I'd relamp all the clear mercs with some nice EYE /DX lamps and just relamp those every 5+years or so when the lamps are less than 50% output
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Jan 15, 2016 at 08:32 PM Author: streetlight98
I second that Aaron. I'll take clear MV over HPS but I'm actually not a huge fan of clear MV indoors or outdoors. I prefer /DX lamps. Yes, when you look at the lamp it appears pink, but the actual light illuminating the area is white. I'd prefer MH indoors but please please please use coated lamps! Clear lamps are WAY to glarey. I hate going into a building with clear MH lights indoors. The coated lamps provide a nice soft light.

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Sep 29, 2017 at 02:11 PM Author: HomeBrewLamps
i'd like them to throw some sodium retrofit lamps in there too... spice it up a bit...

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