[volt-nuts] Solartron 7081, other meters, and some voltage standards

[Artekmedia]

Wise old saying

"A man with a watch always knows what time it is  ... a man with two 
watches is never quite sure"



On 9/2/2011 6:02 PM, J. L. Trantham wrote:
> I have been testing my 'new' 7081 and suspect I have arrived at the 'usual'
> cross roads of what to believe.
>
> I have two Fluke 731B's that I got from 'the site'.  I replaced the battery
> packs in months past and have left both on for the past 3 or 4 days along
> with the 7081 and other meters, an HP 3478A and an HP 3457A, as well as a
> Fluke 335A voltage standard set to 10.000000 volts, all from 'the site'.
>
> Regarding the 731B's, one is a 'white' face and the other is a 'black' face
> and both are set to 10V.
>
> I left the 7081 connected to the 'black' face 731B, set to 7 X 9 (3.2s) in
> 'TRACK', and walked in to the shop to find it reading 10.000000.  When
> connected to the 'white' face 731B, it reads 9.999898 and, when connected to
> the 335A, it reads 10.000392.
>
> The 3478A reads 10.0001, 10.0000, and 10.0005, respectively.  The 3457A
> reads 10.0001, 10.0000, and 10.0005, respectively.
>
> Soooooooo, what, if any, conclusions are reachable?  I am tempted to believe
> that the 'black' face 731B and the 7081 are correct.  What are the odds?
>
> Thanks in advance.
>
> Joe
>
>
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-- 
Dave&  Lynn Henderson
Manuals at ArtekMedia.com
www.Artekmedia.com
PO Box 175
Welch,MN 55089