[Elecraft] Calibration Standard

[Bob - W5BIG]

Maxim has a nice family of references (MAX6126) speced at 0.02% in several
voltage values.
It's around $6 but they'll send you a free sample.

http://www.maxim-ic.com/quick_view2.cfm/qv_pk/3623

73/Bob - W5BIG

===========================================================
----- Original Message -----
From: "Dan Allen" <dlajr at bellsouth.net>
To: <w3fpr at arrl.net>; "Stephen W. Kercel" <kercel1 at suscom-maine.net>;
"Elecraft Reflector" <Elecraft at mailman.qth.net>
Sent: Monday, February 14, 2005 8:58 PM
Subject: Re: [Elecraft] Calibration Standard


>
> > Look on my website www.qsl.net/w3fpr for an easy to build calibrator for
> > your DMM.
> >
> > 73,
> > Don W3FPR
>
> I looked at Don's neat little project, and really like it.
>
> However, I just don't have time to scratch-build right now.
>
> Out of curiosity, I did an EBay search for "voltage reference standard"
and
> found a guy named Joe Geller at gellerlabs.com.  He sells an assembled
> calibrator that is NIST traceable when delivered.  They start at about
> $25.00 and go up, but all are under $100.  They are available in 2.5, 5,
and
> 10 volt models.  If I remember correctly, his claim for accuracy is about
> 0.1%.  For a few dollars more, he will use a chip that doubles that
> accuracy.
>
> I ordered the basic model to test and/or calibrate my used HP 3466A.  I
will
> put out a report on how I like it when it gets here!
>
> Dan Allen
> KB4ZVM
> K2 S/N 1757
>