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Re: Voltarc HiMa Electrode

Posted By: John Anderson
Date: Monday, 2 February 2009, at 6:32 a.m.

In Response To: Re: Voltarc HiMa Electrode (SVP Neon Equipment)

> After processing the HiMA electrode filament
> functions as a hot cathode electrode, in the
> same manner as a standard fluorescent lamp
> operates. Would you please explain how a
> standard 19CL electrode, which is strictly a
> cold cathode electrode, can replace a hot
> cathode electrode with no other changes to
> the lighting system?

Mark, Sean is correct. I didn't believe it myself until I saw other's making the switch. I've made many CC replacements for JC Penney/Fedlight ballasts (which I suspect are relabeled low-grade slimline ballasts.

My guess is the HiMa did not operate properly as a hot cathode for that tube size. I never observed a lower voltage drop, or a significant increase in operating current from HiMa's (as one would expect from a hot cathode.) Something's not right there. Perhaps the filament failed to reach a high enough temperature.

Messages In This Thread

• Voltarc HiMa Electrode -- andy -- Tuesday, 27 January 2009, at 8:46 p.m.
  • Re: Voltarc HiMa Electrode -- Sean S -- Wednesday, 28 January 2009, at 1:40 a.m.
    • Re: Voltarc HiMa Electrode -- SVP Neon Equipment -- Wednesday, 28 January 2009, at 12:56 p.m.
      • Re: Voltarc HiMa Electrode -- John Anderson -- Monday, 2 February 2009, at 6:32 a.m.
        • Re: Voltarc HiMa Electrode -- SVP Neon Equipment -- Monday, 2 February 2009, at 5:30 p.m.
          • Re: Voltarc HiMa Electrode -- Sean S -- Monday, 2 February 2009, at 8:46 p.m.
            • Re: Voltarc HiMa Electrode -- SVP Neon Equipment -- Tuesday, 3 February 2009, at 3:45 p.m.
              • Re: Voltarc HiMa Electrode *NM* -- Sean S -- Tuesday, 3 February 2009, at 6:35 p.m.

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