[volt-nuts] Fluke 343 as transfer standard

[Fabio Eboli]

Robert,
the 343 was "adjusted" before by him, so the original calibration
is lost.
I asked to not touch it, just write down the values he reads on
his multimeter at multiple settings, and describe the calibration
procedure he followed before, trying to undertand what points of
the 343 were moved.

Thanks,
Fabio.

Robert Atkinson <robert8rpi at yahoo.co.uk> ha scritto:

> Don't let him adjust anything! Let him connect it to his meter and  
> make a list of the readings. This will be much better than fiddling  
> with adjustments he may not understand. You then have a list of  
> errors thet you can compare with your meters.
>
> Robert G8RPI.
>
>
>
> ________________________________
>  From: Fabio Eboli <FabioEb at quipo.it>
> To: volt-nuts at febo.com
> Sent: Thursday, 12 April 2012, 13:26
> Subject: [volt-nuts]  Fluke 343 as transfer standard
>
> Hello all, I'm a newbie of precision devices, so
> I'm don't know the usual calibration procedures.
>
> Near to me there is a guy that wants to sell a fluke
> 343. He offered also to connect it to it's fluke 8846,
> recently calibrated, to "calibrate" it.
>
> Probably he will connect the two fluke
> together and move the 343 pots to read the
> "correct values" on the 8846.
> Since my 7061 and 7075 aren't calibrated at all
> I'll use this as calibration for now.
> What can I expect connecting directly the 343
> to these and calibrating them to the values
> indicated by it?
>
> I imagine that the 100 and 1000V ranges will load
> the 343 output very much, but it' will also be loaded by
> the 8846 from the original owner, so probably
> the error will mostly cancelled.
>
> What do you think?
> Thank you.
> Fabio.
>
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