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Re: Which tube is brighter- 10mm or 15mm?

Posted By: SVP Neon Equipment
Date: Tuesday, 11 March 2008, at 1:06 a.m.

In Response To: Which tube is brighter- 10mm or 15mm? (George Ceffalio)

> Every glassbender has their own reasons why
> 10mm or 15mm is brighter. Does anyone know
> the scientific answer?
> Thanks, George C.

The question is, which is brighter: For a given operating current (both tubes running at the same current) the 10mm tube will be brighter to the naked eye because of the current density and the concentration of light. But the 15mm tube will produce more light (lumens per foot) because of the increased surface area of the larger diameter tube.

Mark

SVP Neon Equipment

Messages In This Thread

• Which tube is brighter- 10mm or 15mm? -- George Ceffalio -- Tuesday, 11 March 2008, at 12:04 a.m.
  • Re: Which tube is brighter- 10mm or 15mm? -- SVP Neon Equipment -- Tuesday, 11 March 2008, at 1:06 a.m.
    • Re: Which tube is brighter- 10mm or 15mm? -- George Ceffalio -- Tuesday, 11 March 2008, at 1:31 a.m.
      • Re: Which tube is brighter- 10mm or 15mm? -- sivart -- Tuesday, 11 March 2008, at 10:57 a.m.
        • Re: Which tube is brighter- 10mm or 15mm? -- George Ceffalio -- Tuesday, 11 March 2008, at 12:42 p.m.
          • Re: Which tube is brighter- 10mm or 15mm? -- SVP Neon Equipment -- Tuesday, 11 March 2008, at 12:48 p.m.

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