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