APMP.M.H-S3 Final Report Comparison on Hardness ... - BIPM

Revision: <strong>Final</strong> <strong>Report</strong>
Date: May 25, 2012
Table 13 NPLI’s HRB Measurement Result
Measure value (HRBW)
No. E1620 B30120 A31382 A32411 A33748 A28422 A35542 25566 30836
Nominal value 25 30 40 50 60 70 80 90 100
Section1 23.14 29.67 37.14 51.41 59.32 69.76 79.09 90.12 99.96
Section2 23.56 29.45 37.38 51.11 59.13 70.23 78.89 90.05 99.87
Section3 23.59 29.43 36.90 51.50 59.19 69.97 79.80 90.09 100.08
Section4 24.21 29.53 37.70 51.33 58.83 69.64 79.41 90.14 99.87
Section5 24.77 29.74 37.82 51.49 58.88 69.93 79.66 90.03 99.80
Section6 24.83 29.58 37.67 51.21 58.71 69.82 79.85 90.06 99.84
Section7 24.70 29.26 37.87 51.24 59.35 69.73 79.32 90.38 99.85
Section8 24.89 29.47 38.10 51.23 58.84 69.91 79.33 90.16 99.76
Section9 24.86 29.52 38.24 50.80 59.28 69.50 78.85 90.18 99.76
Average Value 24.28 29.52 37.65 51.26 59.06 69.83 79.36 90.13 99.87
Uniformity 1.75 0.48 1.34 0.70 0.64 0.73 1.00 0.35 0.32
Correction Value 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Corrected Value 24.28 29.52 37.65 51.26 59.06 69.83 79.36 90.13 99.87
Expanded uncertainty (k=2) 0.70 0.60 0.60 0.60 0.60 0.52 0.56 0.51 0.51
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