[volt-nuts] JRL VDR-106/7 Kelvin-Varley Divider Manual

shalimr9 at gmail.com shalimr9 at gmail.com
Wed Nov 16 04:14:26 UTC 2011

Yes, send it my way, I'll gladly host it.

Didier KO4BB

Sent from my BlackBerry Wireless thingy while I do other things...

-----Original Message-----
From: Robert Atkinson <robert8rpi at yahoo.co.uk>
Sender: volt-nuts-bounces at febo.com
Date: Tue, 15 Nov 2011 21:19:38 
To: volt-nuts at febo.com<volt-nuts at febo.com>
Reply-To: Robert Atkinson <robert8rpi at yahoo.co.uk>,
	Discussion of precise voltage measurement <volt-nuts at febo.com>
Subject: [volt-nuts] JRL VDR-106/7 Kelvin-Varley Divider Manual

Hi all,
I've just purchased and scanned the manual for the Julie Research Labs VDR-106/7 Kelvin-Varley Divider Manual. This also covers the VDR-307 and has an application note and letter from NBS about checking it to 0.1ppm with a set of matched resistors. The 106/7 is a bit of a beast. 0.1ppm resolution with 1ppm linearity for 5 years. It uses JRL's patented untrimmed resistors to acheive this.

The manual is 300dpi and OCR'd so about 5Mb in size. If anyone want's a copy let me know. Or perhaps Didier would like to host it.

Robert G8RPI.
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