[volt-nuts] AC volt-nuttery...

[m k]

Hi,

I have a bunch of Dranetz 305c's that measure to 0.01 degree of phase all the way up to 700Khz, but strangely one set of mainframe and a particular plugin manages almost 1MHz...

M K 

> From: steve-krull at cox.net
> Date: Tue, 8 May 2012 15:22:29 -0500
> To: volt-nuts at febo.com
> Subject: Re: [volt-nuts] AC volt-nuttery...
> 
> I don't think we should limit ourselves, at least not until the traffic gets so much that we need another group! I have a 6-digit version of the DT72A somewhere in storage, along with some phase angle standards that weigh a ton, and other bits and pieces. 
> 
> Steve
> 
> 
> 
> On May 8, 2012, at 2:32 PM, "Poul-Henning Kamp" <phk at phk.freebsd.dk> wrote:
> 
> > 
> > For reasons which you would probably recognize, I ended up buying
> > a Dekatran DT72A because it was simply too cheap to let go.
> > 
> > That is a pretty amazing instrument.  Appearantly the only thing
> > Tegam changed in the new B version was the box, shaving a some
> > kilos of the weight, as far as I can tell, everything else in
> > the manual is identical up to and including the errors in the final
> > schematic.
> > 
> > I find somewhat ironic that my HP3458A can measure DC into tenths
> > of PPM, while I have nothing in my lab that can reliably produce
> > that, whereas it can only measure AC to tens of PPM, while I now
> > have a fully passive box which can generate it down to tenths of
> > PPM.
> > 
> > So is volt-nuts DC only, or are anybody playing with AC also ?
> > 
> > 
> > -- 
> > Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
> > phk at FreeBSD.ORG         | TCP/IP since RFC 956
> > FreeBSD committer       | BSD since 4.3-tahoe    
> > Never attribute to malice what can adequately be explained by incompetence.
> > 
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