[volt-nuts] Affordable batteries for Fluke 732A DC ReferenceStandard?
Ed Palmer
ed_palmer at sasktel.net
Wed Aug 12 14:45:52 UTC 2009
Two more things to keep in mind...
I was looking for a replacement for an old 12V 5AH gel cell. It turnes
out that newer batteries are specified differently than the old ones
were. To get a new battery the same physical size as the old one, I had
to look at 12V 7AH batteries!
If you're considering a local purchase, take the battery carrier,
holder, unit, whatever with you to the battery store so that you can
test the fit of the batteries.
Ed
Greg Burnett wrote:
> ...Great information and suggestions by everyone! (I'd not thought of all
> those possibilities.)
>
> Now the ball is in my court to measure the old batteries' outside
> dimensions, tab dimensions and tab positions - and then narrow the choice
> down to batteries that will fit. One thing I've learned from this so far is
> that apparently each battery manufacturer (or re-seller) uses their own
> custom battery part number designation. Too bad they didn't do a better job
> of standardizing?
>
> One important consideration is that the battery connection tabs must align
> with the corresponding holes in Fluke's internal aluminum top plate. (This
> wouldn't be a consideration for the vast majority of similar applications,
> but in this case Fluke's internal aluminum plate "expects" the tabs to be
> precisely positioned.)
>
> Thanks John, Ed, Roy, Dave, Mark and Eric for all your help!
>
> Greg
>
>
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