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JJF 1096-2002 English PDF

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JJF 1096-2002: Calibration Specification for Calibrator of Extensometers
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Basic data

Standard ID JJF 1096-2002 (JJF1096-2002)
Description (Translated English) Calibration Specification for Calibrator of Extensometers
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A52
Word Count Estimation 19,147
Date of Issue 2002-11-04
Date of Implementation 2003-02-04
Issuing agency(ies) State Administration of Quality Supervision, Inspection and Quarantine
Summary This standard applies to the extensometer dedicated calibration device (hereinafter referred to as the calibrator) the metrological characteristics calibration.

JJF 1096-2002: Calibration Specification for Calibrator of Extensometers

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Calibration Specification for Calibrator of Extensome National Metrology Technical Specification of the People's Republic Extensometer Calibrator Calibration Specifications Released on November 11,.2002 2003-02-04 implementation The General Administration of Quality Supervision, Inspection and Quarantine issued This specification was approved by the General Administration of Quality Supervision, Inspection and Quarantine on November 4,.2002, and Implemented on February 4,.2003. Focal Point. National Geometric Quantity Engineering Measurement Technology Committee Main drafting unit. Shaanxi Institute of Metrology and Testing Participated in the drafting unit. Xi'an Century Measurement and Control Technology Research Institute Institute of Analysis and Testing, Central Iron and Steel Research Institute This specification entrusts the focal point to be responsible for interpretation The main drafters of this specification. Zhang Lei (Shaanxi Institute of Metrology and Testing) Shi Jize (Xi'an Century Measurement and Control Technology Research Institute) Wang Chunhua (Institute of Analytical Testing, Central Iron and Steel Research Institute)

table of Contents

1 Scope (1) 2 Citations (1) 3 Overview (1) 4 Measurement characteristics (2) 4.1 The quality of the micro-head and the relative position of each part (2) 4.2 Coaxiality of the upper and lower mandrels (2) 4.3 Resolution (2) 4.4 indication error (2) 4.5 indication stability (3) 4.6 bracket rigidity (3) 5 Calibration conditions (3) 5.1 Environmental conditions (3) 5.2 Calibration items and calibration equipment (3) 6 Calibration method (3) 6.1 The quality of the micro-head and the relative position of each part (4) 6.2 Coaxiality of the upper and lower mandrels (4) 6.3 Resolution (4) 6.4 indication error (4) 6.5 indication stability (7) 6.6 bracket rigidity (7) 7 Calibration result expression (7) 8 re-study interval (7) Appendix A Measurement uncertainty of the indication error of the extensometer calibrator (8) Appendix B Special Table for Calibrating the Extensometer Calibrator (13) Appendix C Contents of the Calibration Certificate (14) Extensometer Calibrator Calibration Specifications

1 Scope

This specification applies to the calibration of the metering characteristics of the extensometer-specific calibration device (hereinafter referred to as the calibrator).

2 Citations

JJF 1001-1998 General measurement terms and definitions JJF 1059-1999 Measurement Uncertainty Evaluation and Representation ISO 9513.1999 Calibration of extensometers for uniaxial testing of metallic materials JB/T 10033-1999 micrometer Use of this specification should be done with the current valid version of the above cited documents.

3 Overview

The calibrator is an instrument used to give a standard displacement to a calibrated extensometer. It consists of a rigid bracket and two coaxial A mandrel or fixture for the card extensometer, a micrometer device capable of accurately measuring the amount of axial displacement along the mandrel to make. The calibrator is divided into Class A and Class B according to the form of micrometer. The structure diagram is shown in Figure 1 and Figure 2. Figure 1 Class A calibrator Figure 2 Class B calibrator Class A calibrators are generally displaced by the micrometer head of the helical substructure, using a micrometer mounted on the calibrator bracket The table (comparator, micrometer or interferometer light pipe, etc.) is measured with a gauge block. Class B calibrators generally use the same micrometer Time to achieve displacement and measurement.

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