Specifications 6
34405A User’s and Service Guide 143
Accuracy Specifications
Tran s fer Accur acy
Transfer accuracy refers to the error introduced by the
multimeter due to noise and short
–term drift. This error
becomes apparent when comparing two nearly
–equal signals
for the purpose of "transferring" the known accuracy of one
device to the other.
1–Year Accuracy
These long–term accuracy specifications are valid at the
calibration temperature (T
cal
) ± 5 °C temperature range.
These specifications include the initial calibration errors plus
the multimeter's long
–term drift errors.
Temperature Coefficients
Accuracy is usually specified at the calibration temperature
(T
cal
) ± 5 °C temperature range. This is a common
temperature range for many operating environments. You
must add additional temperature coefficient errors to the
accuracy specification if you are operating the multimeter
outside the ± 5 °C temperature range (the specification is
per °C).
34405A users guide.book Page 143 Saturday, September 2, 2006 3:38 PM
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