Re: Choosing the right ballast

On 24 Aug 2005 21:04:40 -0700, "dgee"
<dgee.newsgroup@xxxxxxxxx> wrote:

>Thanks alot Victor for all the information you have put foward.
>
>>Let me ask another question. Did you test these lamps with
>>the any of the four ballasts that you said are listed for
>>PL-S9W/TUV lamps, or did you just try to light the lamps
>>with the DBA-10PL ballast? I notice you said that the lamps
>>"should" work with the other four ballasts. But perhaps the
>>these unlabeled lamps are designed for use only on 230-volt
>>lines as I speculated in my previous note, or perhaps the
>>lamps are bad.
>
>>Unless you have confirmed that these unlabeled lamps do work
>>on at least one of the four ballasts you mentioned for the
>>PL-S9W/TUV lamps you should not be looking at the ballast to
>>explain why they are not starting.
>
>Ok, I wasn't very clear on what I have tried and not tried. The
>unlabeled UV G23 bulbs were bought for a "JEBO 9W UV Sterilizer" wich I
>own. This sterilizer's electronic ballast / ignition system is broken
>and will not light my UV bulbs. I went to a fish store and I've tried
>my unlabeled bulb in a second sterilizer (Turbo-Twist 3X) which is
>knowed to use the PL-S9W/TUV bulb. Since it worked in the second
>sterilizer, I assumed that my unlabeled bulb were pretty similar to the
>PL-S9W/TUV.
>
>On the web, I've read that the PL-S9W/TUV can be used with the four
>ballast I've stated in my original post (i didn't test them with my
>bulbs), but my unlabeled bulbs will not work with the DBA-10PL (that, I
>have tested). The DBA-10PL is imported by Symbian under the Catalog NO
>: SY-9P. It is rated 120VAC 0.21Amp 60Hz. I did try it on my 120V
>line and I know it's not broken since I can light my white ligth G23 9W
>bulb with it.
>
>I can't find any info on the ballast system used in the sterilizer I
>own and in the other one I tried. I would like to find a replacement
>ballast, but since my first purchase didn't do the trick (the
>DBA-10PL), I just thought I would ask around before spending more
>money.
>
>Thanks again Victor for all the time you invested in explaining me how
>these bulbs work.

Well, until we get more information about your bulb, or even
2-pin G23-base CFLs designed for operation on 230-volt
circuits, my opinion is that this lamp will not work on the
first four ballasts that you mentioned. They are all simple
series choke ballasts, just like the DBA-10PL.

If the sterilizers use electronic ballasts their output
voltage may be higher than 120 volts, which is OK as long as
they regulate the lamp current to the proper value.

--
Vic Roberts
http://www.RobertsResearchInc.com
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