[volt-nuts] Quality Multimeters: HP 3457A

[Poul-Henning Kamp]

In message <90F51C891B6C45E5BAC045E908B94F21 at LapTop>, "Roy Phillips" writes:

>Thanks for you assessment of the "quality" DVM's - - I also have a 34401A, 
>but I have never been confident that it was in the "quality" league.

The only blemish  on the 34401A is measuring very low AC voltages/currents,
where some serious unlinearity shows up.

See:
	http://www.gellerlabs.com/34401A%20Low%20Level%20AC%20Voltage.pdf

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