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

Revision: <strong>Final</strong> <strong>Report</strong>
Date: May 25, 2012
Annex A Data report forms Page1/5
<strong>Report</strong> Form 1 (For Rockwell hardness scale A)
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
Serial number of the indenter
The tip radius of curvature of the indenter
The apex angle of cone of the indenter
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
Measurement place
Measurement date
Environment
Environment of comparison measurement
Deformation of frame (m)
Deformation of frame verification
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
4865
197.3 µm
119.96 o
0.3 HRA
0.1mm/s
2s
30µm/s
4s
3s
NPL, New Delhi
25-10-10
Temp. (23±1) o C, Humidity (50±10)%
1 2 3
0.2 0.2 0.2
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