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

Robert Atkinson robert8rpi at yahoo.co.uk
Tue Nov 15 21:19:38 UTC 2011


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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