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JJF 1103-2003: Evaluation for Computerized Data Acquisition Systems of Universal Testing Machines
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JJF 1103-2003: Evaluation for Computerized Data Acquisition Systems of Universal Testing Machines

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Evaluation for Computerized Data Acquisition Systems of Universal Testing Machines National Metrology Technical Specification of the People's Republic Universal testing machine computer data acquisition system evaluation Released on.2003-05-12 2003-09-12 implementation The General Administration of Quality Supervision, Inspection and Quarantine issued Universal testing machine computer data Acquisition system assessment Machines This specification was approved by the General Administration of Quality Supervision, Inspection and Quarantine on May 12,.2003, and Implemented on September 12,.2003. Focal Point. National Strength Hardness Measurement Technical Committee Main drafting unit. Iron and Steel Research Institute Participated in drafting unit. National University of Defense Technology China Institute of Metrology This specification entrusts the focal point to be responsible for interpretation The main drafters of this specification. Wang Chunhua (Steel Research Institute) Zheng Wenlong (School of Aerospace and Materials Engineering, National University of Defense Technology) Zheng Jianping (Steel Research Institute) Participate in the drafters. Li Qingzhong (China Institute of Metrology) Liang Xinbang (Steel Research Institute) Zhou Yusong (Steel Research Institute) Jiang Zhiyong (Steel Research Institute)

table of Contents

1 Scope (1) 2 Citations (1) 3 Terms and definitions (1) 3.1 Basic data (1) 3.2 Exporting data (2) 3.3 Data Acquisition Rate (2) 3.4 Resolution (2) 3.5 Sensor-Channel Bandwidth (2) 3.6 Computer Data Acquisition System (2) 4 Overview (2) 5 Measurement characteristics (2) 6 Test conditions (3) 6.1 Environmental conditions (3) 6.2 Sample (3) 6.3 Test machine indication (3) 6.4 Bandwidth (3) 7 Assessment method (3) 7.1 Single machine comparison method (3) 7.2 Multi-machine comparison method (4) 8 Assessment results expression (4) 9 Assessment interval (5) Appendix A Test of Hardware Part of Computer Data Acquisition System (6) Appendix B Measurement Uncertainty (9) Appendix C Analysis of Differences in Comparison Test Results (13) Appendix D Contents of Certificates (Reports) (15) Universal testing machine computer data acquisition system evaluation

1 Scope

This specification applies to the universal test computer quasi-static test computer data acquisition system (hereinafter referred to as computer data acquisition) System) data accuracy and consistency assessment.

2 Citations

This specification refers to the following documents. ASTME1856-1997StandardGuideforEvaluatingComputerizedDataAcquisitionSystems UsedtoAcquireDatefromUniversalTestingMachines universal testing machine computer data acquisition system evaluation GB/T 228-2002 Metallic materials tensile test method at room temperature (eqvISO 6892.1998) GB/T 12160-2002 Calibration of extensometers for single-axis tests (idtISO 9513.1999) GB/T 16491-1996 electronic universal testing machine GB/T 16825-1997 tensile testing machine inspection (idtISO 7500-1. 1986) JJG139-1999 Test procedure for tension, pressure and universal testing machine JJG475-1986 Electronic universal testing machine verification procedures JJG762-1992 Extensometer verification procedure Use of this specification should be done with the current valid version of the above cited documents.

3 Terms and definitions

3.1 Basic data basicdata In the measurement of force and displacement, the digital equivalent of the analog quantity is traceable to the static condition. National benchmark (see Figure 1). Figure 1 Basic data and exported data ...