[volt-nuts] Julie Research Labs VDR-106 manual?

Robert Atkinson robert8rpi at yahoo.co.uk
Tue Apr 17 17:16:00 UTC 2012

Hi Steve,
I think it is the same scan. I had to search for a hard copy and ended up purchasing one from a dealer. Even Ohm-Labs (who own the JRL IP) didn't have a copy. They do now :o)
Calibration is fairly easy with 10 matched resistors. JRL conviniced NPL to use their method (see back ov manual) also google harmon divider. JRL guaranteed accuracy for 5 years!

Robert G8RPI

 From: Steve Byan <stevebyan at verizon.net>
To: volt-nuts at febo.com 
Sent: Tuesday, 17 April 2012, 13:02
Subject: Re: [volt-nuts] Julie Research Labs VDR-106 manual?

On Apr 17, 2012, at 2:17 AM, Demian Martin wrote:

> Steve-
> I sent you a copy on a separate e-mail. Its 5 MB. I hope it gets through.

Thanks, Robert Atkinson sent me a copy also. They both are the same scan, but curiously your PDF is 200 kB smaller; it was modified the day after it was scanned.
> It's a KV divider, I have the VDR106-7 which has the .1 ppm resolution (7
> digits). The manual covers all the variations. Its still pretty much state
> of the art, which has not moved much. The next level really is a JJ array,
> not really a hobbiest possibility.

Yes, it's quite a nice piece of gear. Now it's time to get serious about getting a good voltage standard :-)

Best regards,

Steve Byan <stevebyan at me.com>
Littleton, MA 01460

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