Introduction and Specifications
Specifications 1
1-7
Specifications
Specifications are valid after allowing a warm-up period of 30 minutes, or twice
the time the 5790B has been turned off, whichever is less. For example, if the
5790B has been turned off for 5 minutes, the warm-up period is 10 minutes. To
simplify evaluation of how the 5790B covers your workload, use the Absolute
Specification. Those include stability, temperature coefficient, linearity, and
traceability to external standards.
Note
When the 5790B is used within ±5 °C (
±
3 °C in Wideband) of the
temperature of the last calibration, it is not necessary to add
anything to the Absolute Uncertainty Specifications to determine the
ratios between 5790B uncertainties and the uncertainties of a unit
under test. The initial calibration at Fluke Calibration is done at
23 °C. The temperature of the last calibration can be verified at any
time. Push Setup Menu>Calibration to show the last complete
verification date and temperature on the calibration screen.
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