[volt-nuts] What's All This Low Thermal EMF Test Lead Stuff?

Mark Wendt wendt.mark at gmail.com
Wed Aug 20 05:09:31 EDT 2014


On Tue, Aug 19, 2014 at 9:03 PM, Stan Katz <stan.katz.hk at gmail.com> wrote:

> If you reserve those pure copper bananas strictly for infrequent cal. of
> something like an HP3458, or other transfer standards in your lab,  they
> may be good for some years.
>
> I envision the "beer nuts"  to be a rather relaxed group of individuals,
> who are perfectly satisfied to know the alcohol content of their favorite
> brew to no better than +/- 60ppm ;-)
>
> Why +/- 60ppm?  A selfish reason. I plan on bringing home a beer-nut-NIST
> volt for my Fluke 731B using one of these standards
>
> http://www.ebay.com/itm/10-VOLT-DC-Precision-Voltage-Reference-Standard-Nulled-to-Fluke-732A-732B-/261499015291?pt=LH_DefaultDomain_0&hash=item3ce28e507b
>
> They're only good to 6ppm according to the seller. Rule of thumb is primary
> must be ten times the accuracy of secondary, that leaves me with an
> uncertainty of +/-60ppm....does seem a bit much....oh well, if necessary,
> I'm willing to be the only beer-nuts member.
>
>
>
>
This could devolve into a beer-nuts-nuts group too.  One must have one's
beer-nuts whilst sipping beer whilst perusing the beer-nuts group.

Mark


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