[volt-nuts] Rotek 320 AC/DC Calibrator

[J. Forster]

If it's the thing I'm thinking of, there are no standards or references in
the box. It's sole function is to compare the heating effect of an AC and
a DC voltage.

-John

==============




> Thanks John, appreciated, not sure if they are similar as the unit is
> in transit and not in my possession, its a boat anchor.  Will let
> you'all know the status after a thorough evaluation.  Still doing
> 'discovery' and getting as much info as possible.
>
>  From a volt nuts perspective, for other readers, calibrators may
> have very stable references in single digit ppm, and maybe an option
> instead of build your own reference, plus they may come with built in
> KV dividers, precision AC oscillators etc., that alone maybe worth
> the whole kaboodle.  Some are dirt cheap, as low as free except
> postage, others not so.
>
>
> At 05:49 PM 8/2/2013, J. Forster wrote:
>>I'm not certain it's the same model, but the one I'm familiar with was in
>>a Wamco (formica) case, maybe 10" x 12" x 8" with some colored binding
>>posts. They has a little glass 'thermal convertor' about the size of a
>>pecan. The rest of the box was precision resistors and high quality
>>(Shallcross ?) switches.
>>
>>There were a bunch of part-built ones surplused in the Boston area in the
>>late 1970s. Internally they had plexi panels with 0.1% and .01%
>> resistors,
>>in decade values as I remember.
>>
>>If that's the puppy, I know nothing more. I still have some of the parts
>>put away somewhere. I never had any paperwork AFAIK. They may have been
>>affiliated with Weston.
>>
>>If this is not the puppy, never mind.  :)
>>
>>-John
>>
>>=============
>
>
>
> Sincerely,
>
>
>
> Marv
> Philadelphia, PA
>
>