Technical data

6 Specifications and Characteristics
100 U3401A User’s and Service Guide
Accuracy Specifications
Transfer Accuracy
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.
One-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 at
0 °C to 18 °C and 28 °C to 50 °C temperature range (the specification is
per °C).
Temperature Coefficient = add ± 0.15 x [the applicable accuracy/°C]