[volt-nuts] Fluke 750a batteries.............

NeonJohn jgd at neon-john.com
Fri Sep 25 09:59:38 EDT 2015

On 09/25/2015 08:53 AM, David Garrido wrote:

> I have been able to find Wein batteries that are 1.35v zinc/air and I
> could stack and shrink wrap 5 of those in series to arrive at 6.75
> very stable volts, but they are a minimum of $4.50 each cell.  I was
> hoping to find a more affordable / elegant solution.

Zinc-air won't work.  Once the seal is broken, the lifetime is measured
in days.  BTDT.

The unit is probably relying on the batteries as a voltage reference so
you really need the mercury batteries unless you want to design a stable

Fortunately Mercury batteries are still available from Russia.


The guy has a good rep.


John DeArmond
Tellico Plains, Occupied TN
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