IM-25 VOM Battery

[Harvey A. Kader]

Ed Richards wrote:

> No, but I replace them with an alkaline AA cell (1.5 volt). Works good.
>
> Ed
>
> Ed, I agree with you. I use "AA" 1.5V alkaline cells in an instrument that
> used the 1.35V mercury batteries. Did not have to change bulb for that
> 0.15V difference. MUCH less expensive than the mercury batteries, and more
> environmentally friendly. If you ask the manufacturer of the instrument or
> battery, they both give the "official party line" - use the mercury
> battery because that is what the instrument was designed for. BS. Don't
> you believe it! Good thing about knowing about electronics is that one can
> make design changes, such as this! Harvey.

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