DIN EN ISO 7500-1 Beiblatt 2-2021 金属材料. 静态单轴压缩试验机的验证. 第1部分: 拉伸/压缩试验机. 测力系统的验证与校准. 补充件2: 弹簧试验机的要求、验证和校准一般规则
Metallic materials - Verification of static uniaxial testing machines - Part 1: Tension/compression testing machines - Verification and calibration of the force-measuring system - Supplement 2: General for requirements, verification and calibration of spr
The document contains useful information on requirements and to testing and calibration of the different kinds of testing machines which are not determined in EN ISO 7500-1 but proved in Germany in many years' experience.