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Introduction and Specifications
Specifications
1
1-13
You do not need to add anything to absolute uncertainty to determine the ratios between
the calibrator’s uncertainties and the uncertainties of your calibration workload.
Relative uncertainty specifications are provided for enhanced accuracy applications.
These specifications apply when range constants are adjusted (see “Range Calibration”).
To calculate absolute uncertainty, you must combine the uncertainties of your external
standards and techniques with relative uncertainty.
1-27. Using Secondary Performance Specifications
Secondary performance specifications and operating characteristics are included in
uncertainty specifications. They are provided for special calibration requirements such as
stability or linearity testing.