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

Revision: <strong>Final</strong> <strong>Report</strong>
Date: May 25, 2012
Data report forms Page 2/5
<strong>Report</strong> Form 1 (For Rockwell hardness scale B)
Metrology information
Model of hardness primary machine
Serial number of hardness primary machine
Manufacturer of hardness primary machine
Hardness indication system
Test force system
Relative error of preliminary test force
Relative uncertainty (2) of preliminary test force
Relative error of total test force
Relative uncertainty (2) of total test force
Uncertainty of depth measuring device
The calibration and measurement capability (CMC)
Testing condition
Velocity of the indenter when reaching the surface
Holding time of preliminary test force
Test force loading speed
Total test force duration time
Time before reading permanent indentation depth
Environment of comparison measurement
Measurement place
Measurement date
Environment
Deformation of frame verification
Deformation of frame (m)
HSM HR/HV 2007-07
2007/07
LTF, Italy
Laser Interferometer system
Dead Weight System-Operated by controlled
speed Servomoter
0.0001
0.0002
0.0001
0.0002
20ppm
0.6 HRBW for nominal not more than 60 HRB
0.5 HRBW for nominal more than 60 HRB
0.1mm/s
2s
30µm/s
4s
3s
NPL, New Delhi
29-10-10
Temp. (23±1) o C, Humidity (50±10)%
1 2 3
0.3 0.3 0.3
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