IKEA 7watt mini globe CFL bulb
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@Parrot175 The tube I think is a gas pressure regulator to control the CFL tube gas pressure when it is lit. Modern T5s achieve this by having one electrode abit longer into the tube than the other one so the uneveporated mercury condenses at the back of the longer electrode. As with this glass tube type it collects the excess mercury.
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Hi next time in Ikea will have a little look and check their bulbs out, They may of got a cheaper source of these. Peter
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@poiiihy I never had another Ikea video but this bulb was in a finds of the day video.
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@migette1 Yes I think this was made by Megaman. I don't think Ikea has Megaman as there supplier any more though.
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I would break the outer glass envelope and remove ito clearly examine the Hg inside. Seems like too much Hg!
The outer envelope reduces light output.
robertgift 2 months ago in playlist CFLs (compact fluorescent lamps)
@robertgift What you say is true, I will do that some day.
Parrot175 2 months ago
i thought the mercury was stored in the tube, not it's own tube. How does it work?
poiiihy 3 months ago
@poiiihy The tube with the mercury is connected to the main tube but the mercury is too big to get through the hole into the main tube, so it stays there.
Parrot175 3 months ago
@Parrot175 why doesn't it vaporize?
poiiihy 3 months ago
@poiiihy I really don't know but there is mercury vapor in the tube.
Parrot175 3 months ago