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JJF 2005-2022 English PDF

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JJF 2005-2022: Calibration Specification for Multi-dimensional Measuring Instruments
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JJF 2005-2022279 Add to Cart 3 days Calibration Specification for Multi-dimensional Measuring Instruments Valid

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Basic data

Standard ID: JJF 2005-2022 (JJF2005-2022)
Description (Translated English): Calibration Specification for Multi-dimensional Measuring Instruments
Sector / Industry: Metrology & Measurement Industry Standard
Word Count Estimation: 14,192
Date of Issue: 2022-12-07
Date of Implementation: 2023-06-07
Issuing agency(ies): State Administration for Market Regulation

JJF 2005-2022: Calibration Specification for Multi-dimensional Measuring Instruments

---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.
National Metrology Technical Specifications of the People's Republic of China Calibration specification for multidimensional dimension (volume) measuring instrument Released on 2022-12-07 2023-06-07 Implementation Released by the State Administration for Market Regulation Calibration specification for multidimensional dimension (volume) measuring instrument Responsible Unit. National Technical Committee on Geometrical Length Measurement Main drafting unit. Shanghai Institute of Metrology and Testing Technology China Institute of Metrology Participating in the drafting unit. Qinghai Metrology Calibration and Testing Institute Mettler-Toledo (Changzhou) Measurement Technology Co., Ltd. This specification entrusts the National Technical Committee of Geometric Quantity and Length Measurement to be responsible for interpretation The main drafters of this specification. Guo Zhimin (Shanghai Institute of Metrology and Testing Technology) Zeng Yanhua (Shanghai Institute of Metrology and Testing Technology) Wang Weinong (National Institute of Metrology, China) Participating drafters. Feng Zhang (Shanghai Institute of Metrology and Testing Technology) Zhang Bo (Shanghai Institute of Metrology and Testing Technology) Zhao Yong (Qinghai Metrology Calibration and Testing Institute) Qiu Dongjie[Mettler-Toledo (Changzhou) Measurement Technology Co., Ltd.]

Table of contents

Introduction (Ⅱ) 1 Scope(1) 2 References(1) 3 terms(1) 4 Overview(1) 5 Metrological characteristics(1) 5.1 Size indication error(1) 5.2 Consistency of measurement results(1) 6 Calibration conditions(1) 6.1 Calibration ambient conditions(1) 6.2 Measurement standards and auxiliary equipment (2) 7 Calibration Items and Calibration Methods(2) 7.1 Size indication error (2) 7.2 Consistency of measurement results(3) 8 Calibration result expression(4) 9 Recalibration interval(4) Appendix A Forms of Standard Volumes (5) Appendix B Example of Uncertainty Evaluation of Indication Error of Multidimensional Size (Volume) Measuring Instrument (6) Appendix C Contents of Calibration Certificate (9)

Introduction

JJF 1071 "Rules for Compilation of National Metrology and Calibration Standards", JJF 1001 "General Metrology Terms and Definitions" and JJF 1059.1 "Assessment and Expression of Measurement Uncertainty" together constitute the basic series supporting the formulation of this specification specification. This specification refers to OIMLR129-2000 (E) "Multi-dimensional size (volume) measuring instrument" (Multi-dimensional This specification is published for the first time. Calibration specification for multidimensional dimension (volume) measuring instrument

1 Scope

This specification applies to the calibration of semi-automatic and automatic multi-dimensional size (volume) measuring instruments.

2 References

This specification does not reference documents.

3 terms

An object with six faces, two opposite faces parallel to each other, and adjacent sides of each face perpendicular to each other. An object that has a different shape than a rectangular object. 3.3 standard volume block standardvolume Objects with specific size, material, shape, etc. requirements. Note. A standard volume with the characteristics of a rectangular object is called a rectangular standard volume; a standard with the characteristics of an irregular object Volume blocks, called irregular standard volume blocks.

4 Overview

The multi-dimensional size (volume) measuring instrument is a measuring instrument for measuring the length, width and height of rectangular objects. can also give the volume of a rectangular object. When the measured object is not a rectangular object, it is necessary to determine whether to contain the object The size of the smallest cuboid. Multi-dimensional size (volume) measuring instruments are divided into semi-automatic and fully automatic types according to the control method. Semi-automatic general static The size of the object is measured dynamically, and the measured object is placed in the specified direction; the fully automatic type can generally place the object at any position, and the object can be placed dynamically. It can measure the size of rectangular or non-rectangular objects dynamically.

5 Metrological characteristics

5.1 Dimension indication error The size indication error is not greater than ±1d. 5.2 Consistency of measurement results Dimension indications in different directions or positions vary by no more than 1d. Note. d is the resolution of the instrument. When there are n different resolutions of the measured instrument, the resolution can be d1, d2, dn express.

6 Calibration conditions

6.1 Calibration ambient conditions a) Temperature. -10°C~40°C.
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