Jan,
Would you please post the link to your plot? I searched but haven't found
it yet.
thanks,
Randy Evans
On Thu, Feb 12, 2015 at 3:51 AM, Jan Fredriksson j...@41hz.com wrote:
I posted a plot of calculated resistor values versus temperature in
the LTZ1000 thread on the EVV blog yetserday. Email me if you can't
find it.
I guess the 3458A was specified to be used at north pole and desert
heat, that's why they have such a high temperature setting. They could
have a laboratory version and a field version of the reference
I have a NI-4071 PXI DMM with a LTZ1000 and it uses 14.3 ratio to
fulfill the PXI specified temperature range. Still higher than optimal
for stability but the temperature in my PXI rack is typically 40C at
20C room temperature.
my2C
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