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 > > _______________________________________________ volt-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts and follow the instructions there.
