[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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