[Elecraft] Calibration Standard

[Stephen W. Kercel]

Don:

That is really cool. I'm definitely figuring to build one of those.

73,

Steve


At 12:35 AM 2/14/2005 -0500, W3FPR - Don Wilhelm wrote:
>Steve,
>
>I don't have a direct answer to your question - I do believe that
>information is old and tha actual voltage depends on the battery type
>(zinc/carbon, alkalyne, etc), BUT ---
>Look on my website www.qsl.net/w3fpr for an easy to build calibrator for
>your DMM.
>
>73,
>Don W3FPR
>
> > -----Original Message-----
> >
> > The ARRL Handbook says that a cheap way to get a voltage calibration
> > standard is to use a brand new D cell. It is supposed to have a
> > voltage of
> > 1.56 Volts. Assuming that one wanted to use a set of D cells as a voltage
> > standard (say for checking a DMM), is there a way to store them
> > to minimize
> > the rate at which the voltage runs down? Can one store them in a
> > refrigerator or freezer? Does it do any harm? Does it do any good?
> >
> > 73,
> >
> > Steve Kercel
> > AA4AK
> >
> >