This standard specifies methods for static verification of extensometers used in uniaxial tests. “Extensometer” means a device for measuring displacement and a system for displaying or recording that displacement.
JIS B 7741:1999 history
2016JIS B 7741:2016 Calibration of extensometer systems used in uniaxial testing
1999JIS B 7741:1999 Verification of extensometers used in uniaxial testing
1991JIS B 7741:1991 Extensometers used in metallic material tensile testing