National Foreword
European foreword
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Manufacture of reference blocks
5 Calibration machine
6 Calibration procedure
7 Number of indentations
8 Uniformity of hardness
9 Marking
10 Calibration certificate
11 Validity
Annex A (informative) - Uncertainty of the mean hardness
value of hardness reference blocks
Annex B (informative) - Adjustment of Koehler illumination
systems
Bibliography