[volt-nuts] Resistance standard

Greg Burnett gbusg at comcast.net
Tue Dec 15 06:47:54 UTC 2009

Bill wrote:
>...You talk about wanting to equal or beat Fluke, yet you only intend to 
>buy 0.01%
>instead of 0.001% resistors.

Bill, please re-read Rob's post. For his main resistance standard he ordered 
Vishay VHP202Z's (0.2ppm/degC; shelf life stability 2ppm / 6 years). 
Datasheet at: http://www.vishay.com/docs/63120/hzseries.pdf


Rob, welcome to the group with your first post! Judging from the datasheet, 
the VHP202Z does look interesting and suitable for use as a secondary 
standard. Thanks for your post - I'll add a VHP202Z to the list of items 
I'll order in the future, for use as a secondary standard in some of my 
metrology projects. Let us know how your project goes. ...And hopefully some 
more group members will offer their technical advice/experience regarding 
your other questions.
Best, Greg

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