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Re: Tech issue

Posted By: Terrym
Date: Tuesday, 13 October 2009, at 7:30 p.m.

In Response To: Tech issue (JohnL)

> A sign has a 3ft long tube bent into a
> rectangular border. The first foot is very
> dim compared to the rest of the tube. Anyone
> know what causes this uneven lighting?

Is the tube mercury stained or just dim? If it is dim, is it an electronic transformer? Some have been known to cause mercury migration. Remove the unit and roll the mercury to both electrodes. If it is stained, remake the unit.

Messages In This Thread

• Tech issue -- JohnL -- Tuesday, 13 October 2009, at 4:04 p.m.
  • Re: Tech issue -- Terrym -- Tuesday, 13 October 2009, at 7:30 p.m.
    • Re: Tech issue -- JohnL -- Tuesday, 13 October 2009, at 8:42 p.m.

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