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BS EN ISO 7500-1:2015 Metallic materials. Calibration and verification of static uniaxial testing machines - Tension/compression testing machines. Calibration and verification of the force-measuring system >
BS EN ISO 7500-1:2015 Metallic materials. Calibration and verification of static uniaxial testing machines - Tension/compression testing machines. Calibration and verification of the force-measuring system, 2016
- Contents Page
- European foreword
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Symbols and their meanings
- 5 General inspection of the testing machine
- 6 Calibration of the force-measuring system of the testing machine
- 6.1 General
- 6.2 Determination of the resolution
- 6.2.1 Analogue scale
- 6.2.2 Digital scale
- 6.2.3 Variation of readings
- 6.2.4 Unit
- 6.3 Prior determination of the relative resolution of the force indicator
- 6.4 Calibration procedure
- 6.4.1 Alignment of the force-proving instrument
- 6.4.2 Temperature compensation
- 6.4.3 Conditioning of the testing machine and force-proving instrument
- 6.4.4 Procedure
- 6.4.5 Application of discrete forces
- 6.4.6 Verification of accessories
- 6.4.7 Verification of the effect of differences in piston positions
- 6.4.8 Determination of relative reversibility error
- 6.5 Assessment of the force indicator
- 6.5.1 Relative indication error
- 6.5.2 Relative repeatability error
- 6.5.3 Agreement between two force-proving instruments
- 7 Class of testing machine range
- 8 Verification report
- 8.1 General
- 8.2 General information
- 8.3 Results of verification
- 9 Intervals between verifications
- Annex A (normative) General inspection of the testing machine
- Annex B (informative) Inspection of the loading platens of the compression testing machines
- Annex C (informative) Uncertainty of the calibration results of the force-measuring system
- Bibliography [Go to Page]