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F32T8 Mercury starved!

F32T8 Mercury starved!

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I spotted this one while we were going food shopping in WinCo, it is mercury starved; I guess it is running on instant start ballast.

IMG_20190206_172521411.jpg Screenshot_2018-06-04-22-51-33.png 2017-07-17_17_48_05.jpg 20161122_185718.jpg

Light Information

Light Information

Manufacturer:Sylvania
Lamp
Lamp Type:T8
Shape/Finish:T8
Service Life:Almost went EOL
Fixture
Ballast Type:Instant Start?
Socket Type:Bi-pin
Location:WinCo
Electrical
Wattage:128w (32w X 4); now 64w.
Optical
Color Temperature:4100K (formerly 3500K

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Album name:freekster0722 / Fluorescent tubes in variable locations
Keywords:Lamps
File Size:215 KB
Date added:Feb 06, 2019
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streetlight98
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Mike McCann


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Feb 07, 2019 at 05:39 PM Author: streetlight98
Wow! For all intents and purposes, these lamps are EOL because they no longer serve the intended use. If this becomes more frequent fluorescent lamps won't be around much longer.

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

Lumex120
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Multicolor NE-2s


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Feb 07, 2019 at 05:45 PM Author: Lumex120

Wow! For all intents and purposes, these lamps are EOL because they no longer serve the intended use. If this becomes more frequent fluorescent lamps won't be around much longer.

To be honest they are probably going to start making fluorescents a LOT worse in the next few years to make LED look better.

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

streetlight98
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Mike McCann


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Feb 07, 2019 at 07:21 PM Author: streetlight98
I can see that happening, especially since the manufacturing will end up falling in the hands of unskilled outsourced companies, rather than being made by companies that have nearly a century of experience manufacturing fluorescent lamps. Same goes for HID and all other lamps.

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

Bluesvan
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Feb 07, 2019 at 07:54 PM Author: Bluesvan
That is why I am trying to find as many vintage ones now as I can.
streetlight98
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Mike McCann


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Feb 07, 2019 at 08:04 PM Author: streetlight98
Yeah you can't go wrong with the vintage stuff. As long as you take good care of them (store in a low-humidity place with no spikes in temperature) they'll never let you down. A place that has extreme spikes in temperature (like a poorly vented shed) might cause vacuum issues from thermal stress. It's just a concern I have, not a proven fact. I don't know if it affects them. But all my "important" fluorescent lamps are stored in the house. The shed is reserved for fixtures and HID lamps.

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





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Feb 07, 2019 at 10:43 PM Author:
Probably too high for person with ladder to have access to change tubes. WinCo food store was changed from Albertsons that closed down in '14.
Globe Collector
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Preserving the Brightest Ideas of Our Age


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Jul 29, 2019 at 05:44 PM Author: Globe Collector
Still no spectrum. And without a spectrum we cannot determine why this lamp is not functioning as it should.
I think the term, "Mercury Starved" is a "follow the leader" term....one says it, another copies it and before long almost everybody is saying it without a shred of evidence....like somebody says the word, "gobble" next to a pen fill of turkeys and they all respond with "gobble, gobble, gobble".

I postulate that this is due to "air poisoning" .... although this is as unproven as the "mercury starvation" theory, when you think about it logically there are more conditions that support this idea.


1: The pressure on the outside is higher than the pressure on the inside.

Consiquences: It is more likely that small molecules from outside, (N2, O2) will find their way in than large atoms from the inside finding their way out, (against the pressure gradient).

2: Fluorescent lamps in this state run far hotter than when functioning as they were designed to (something that is usually easier to verify with one's sense of touch at the site than run a spectrum).

Assumptopn: Poly atomic molecules are carrying energy non-radiatevely away from the discharge plasma by rotation and vibration. Atoms, such as krypton, argon or mercury cannot rotate and vibrate so they cannot carry away anywhere near as much energy in a non-radiative manner as molecules can.

3: Low resolution spectra reveal absence of mercury lines.

Deduction: Small molecules are impacting excited mercury atoms and taking away their excitation energy before they can emit their resonance lines to excite the phosphor.

4: If, indeed the mercury charge dosed to the lamp at the plant has "gone away"....where has it gone and why? As far as I can tell, nobody has yet answered this question successfully or adequately with evidence to back up their claim. Why would the vapour pressure of mercury drop to virtually zero without the corresponding drop of temperature to virtually zero also, (as the Clausius-Capayron relation states.)

The reason why some fluorescent lamps transition into this "Zombie" state has been assumed by all...but that assumption has not been tested and as such nobody (yet) really knows the reason why some fluorescent lamps end up in this state.

French philosopher Auguste Comte famously once said that humanity would never be able to determine what the stars or planets are made of....spectroscopy proved him incorrect...thus, again, we need to apply spectroscopy to understanding] this issue rather that just copying the statements of others.


So somebody out there needs to get a good quality spectrum of reasonable resolution and sufficient intensity to see if any broad molecular bands are revealed. Currently no such spectrum exists as nobody has run one when seeing a lamp in this "zombie" state.



User "dor123" is a prolific taker of spectra, but refuses to upgrade his apparatus to sufficient resolution to be truly useful...other members seeing such zombie lamps either do not possess spectrascopes outright, or if they do, do not have them handy when seeing such a lamp or are unable to couple their spectroscope to their camera successfully.

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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