[volt-nuts] HP 3458A

[Fred Schneider]

Chuck, 

Would that be possible for an amateur to make. Count me in ;-) but I read a paper about them, if i remember well,  Fluke in germany and the USA must have one. It sounded rather big and very expensive.

Fred PA4TIM

Op 9 aug. 2011 om 01:06 heeft Chuck Harris <cfharris at erols.com> het volgende geschreven:

> Volt-nuts is to voltage measurement and standards as time-nuts is to
> time measurement and standards.  It should include everyone with an
> interest in maintaining voltage (current/resistance) standards.
> 
> I, for one, would like to learn about making JJ voltage standards in
> a volt-nut setting.
> 
> -Chuck Harris
> 
> gbusg wrote:
>> Bill wrote:
>> 
>>> Unless I am mistaken, most people on this list are dealing with their
>>> personal
>>> hobbies.
>> Yes, Bill, your last few posts have persuaded me that volt-nuts is likely
>> not the right forum for this kind of esoteric information. (I'll remember to
>> qualify that the next time being tempted to jump-in with information.) :)
>> 
>>> And NO Greg, I have no idea what you mean by type A or B.  How about
>>> explaining that ?
>> Again, apparently we're beyond the scope of volt-nuts interest, but since
>> you asked (and to close-out this topic), see:
>> 
>> Guide to the Expression of Uncertainty in Measurement
>> http://www.bipm.org/utils/common/documents/jcgm/JCGM_100_2008_E.pdf
>> 
>> NIST Reference
>> http://physics.nist.gov/cuu/Uncertainty/basic.html
>> 
>> UKAS Lab-12
>> http://www.ukas.com/library/Technical-Information/Pubs-Technical-Articles/Pubs-List/LAB12.PDF
>> 
>> -Greg
> 
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