VDI/VDE/DGQ/DKD 2622 Blatt 7:2004-05
Current
The latest, up-to-date edition.
Calibration of measuring equipment for electrical quantities - Universal counter
Hardcopy , PDF
German - English
01-05-2004
Preliminary note
1 Objective and scope
2 Preparation of calibration
3 Performance of calibration
4 Functional checks
5 Traceability to national standards
6 Measurement uncertainty consideration for
calibration of the internal time base
7 Evaluation and documentation
Bibliography
Annex A - Example of measurement uncertainty
calculation for the crystal time
base of a frequency counter
Annex B - Example of mean frequency deviation
and stabilisation curve
Annex C - Recommendations regarding the scope
of calibration of the time base
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