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

Revision: <strong>Final</strong> <strong>Report</strong>
Date: May 25, 2012
Table 10 PTB’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 23.22 28.84 37.86 51.05 60.13 70.32 79.25 89.73 99.76
Section2 23.34 28.88 37.69 51.12 60.49 70.19 79.49 90.03 99.76
Section3 22.99 28.94 37.54 51.05 59.94 69.90 79.32 90.01 99.74
Section4 22.76 28.32 37.56 50.77 59.71 69.66 79.73 90.01 99.67
Section5 23.55 28.38 37.29 50.87 59.46 69.68 79.38 90.00 99.70
Section6 23.38 28.50 37.85 50.99 59.67 69.75 80.24 90.01 99.60
Section7 23.66 28.34 37.52 50.93 60.04 69.80 80.04 90.05 99.60
Section8 23.32 28.43 37.78 50.82 60.09 69.71 79.67 90.02 99.61
Section9 23.89 28.70 37.78 50.91 60.04 69.89 79.45 89.96 99.65
Average Value 23.35 28.59 37.65 50.95 59.95 69.88 79.62 89.98 99.68
Uniformity 1.14 0.61 0.57 0.35 1.03 0.66 0.99 0.32 0.16
Correction Value 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Corrected Value 23.35 28.59 37.65 50.95 59.95 69.88 79.62 89.98 99.68
Expanded uncertainty (k=2) 0.56 0.53 0.52 0.51 0.54 0.53 0.55 0.50 0.50
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