BS EN ISO 9513:2012

Foreword
Introduction
1 Scope
2 Terms and definitions
3 Symbols and designations
4 Principle
5 Calibration equipment
6 Pre-calibration inspection
7 Measurement of extensometer gauge length
8 Calibration process
9 Classification of the extensometer system
10 Uncertainty determination
11 Extensometer system calibration intervals
12 Calibration certificate
Annex A (informative) - Uncertainty of measurement
Annex B (informative) - Calibration of the calibration
        apparatus
Annex C (informative) - Example of a report of the calibration
        of calibration apparatus
Annex D (informative) - Examples of extensometer system
        configurations
Annex E (informative) - Laser extensometry
Annex F (informative) - Video extensometry
Annex G (informative) - Full field strain measurement
        video extensometry
Annex H (informative) - Calibration of a cross-head
        measurement system
Bibliography

Describes a method for the static calibration of extensometer systems used in uniaxial testing, including axial and diametral extensometer systems, both contacting and non-contacting.