[Test-Equipment] Question about VTVM calibration

[Barry]

Hi Brian,

What kind of battery do you use (or do you power it from a DC supply?)

Thanks,
Barry - N4BUQ

----- Original Message -----
> From: "Blair Batty" <blairbatty at gmail.com>
> To: "Brian Harris" <cosmophone at yahoo.com>, "Discussion of Electronic Test Equipment" <test-equipment at mailman.qth.net>
> Sent: Wednesday, February 5, 2020 7:21:42 AM
> Subject: Re: [Test-Equipment] Question about VTVM calibration
> 
> https://www.ebay.ca/itm/High-precision-AD584L-voltage-reference-module-reference-voltage-sourceL/171782257863?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2649
> 
> 
> On Tue, Feb 4, 2020 at 8:59 PM Brian Harris via Test-Equipment <
> test-equipment at mailman.qth.net> wrote:
> 
> >
> > I have a couple of excellent VTVMs, an ME-26D and an HP-410B but I have no
> > idea how accurate they are. I’d like to obtain some reasonable voltage
> > references with which I can calibrate them or, alternatively, a service
> > which can do them for me. I’m in Fayetteville Arkansas. What say ye?
> >
> > Brian WA5UEK
> > Sent from my iPhone
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