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GB/T 34876-2017 English PDF

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GB/T 34876-2017: Vacuum technology -- Vacuum gauges -- Evaluation of the uncertainties of results of calibrations by direct comparison with a reference gauge
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GB/T 34876-2017English279 Add to Cart 3 days [Need to translate] Vacuum technology -- Vacuum gauges -- Evaluation of the uncertainties of results of calibrations by direct comparison with a reference gauge Valid GB/T 34876-2017

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Basic data

Standard ID GB/T 34876-2017 (GB/T34876-2017)
Description (Translated English) Vacuum technology -- Vacuum gauges -- Evaluation of the uncertainties of results of calibrations by direct comparison with a reference gauge
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard J78
Classification of International Standard 23.160
Word Count Estimation 14,121
Date of Issue 2017-11-01
Date of Implementation 2018-05-01
Regulation (derived from) National Standard Announcement 2017 No. 29
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 34876-2017: Vacuum technology -- Vacuum gauges -- Evaluation of the uncertainties of results of calibrations by direct comparison with a reference gauge


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Vacuum technology-Vacuum gauges-Evaluation of the uncertainties of results of calibrations by direct comparison with a reference gauge ICS 23.160 J78 National Standards of People's Republic of China Vacuum technology vacuum gauge and standard vacuum gauge directly Uncertainty assessment comparing calibration results Vacuumtechnology-Vacuumgauges-Evaluationofthertains of results (ISO 27893.2011, IDT) Posted.2017-11-01 2018-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 symbols and abbreviations 2 5 Basic Concepts and Models 3 5.1 Summary 3 5.2 and Model 3 5.3 Business Model 3 5.4 Combination of two models 4 6 and Model Uncertainty Calculation 4 6.1 and model uncertainty 4 6.2 The reference standard introduces the component of uncertainty 4 6.3 Uncertainty component introduced by the instrument to be calibrated 5 6.4 Method of calibration or calibration conditions caused by the uncertainty component 6 6.5 contains factor 6 Calculation of the Uncertainty in 7-Part Model 6 7.1 Business Model Uncertainty 6 7.2 Reference standard to produce the uncertainty component 6 7.3 Uncertainty component of the instrument to be calibrated 7 7.4 Method of calibration or calibration conditions arising from the uncertainty component 8 7.5 contains factor 8 8 shows the sum of the error, the business model portfolio 9 9 Report Uncertainty 9 9.1 Uncertainty Report 9 9.2 Calibration Certificate 10 References 11

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard uses the translation method identical with ISO 27893.2011 "Vacuum technology vacuum gauge and standard vacuum gauge directly compare the calibration junction Uncertainty assessment of fruit. " This standard is proposed by the China Machinery Industry Federation. This standard by the National Vacuum Technology Standardization Technical Committee (SAC/TC18) centralized. This standard drafting unit. China Aerospace Science and Technology Corporation Fifth Institute of the five hundred and eleven Institute, China Institute of Metrology, Hefei Zhihai Optoelectronics Technology Co., Ltd., Beijing North Innovative Vacuum Technology Co., Ltd., Weihai Mitutoyo Vacuum Technology Co., Ltd., Shenyang Vacuum Institute of Technology. The main drafters of this standard. Cheng Yongjun, Zhao Lan, Li Detian, Zhang Ruifang, Wang Yongjun, Yu Hongyan, Liu Lei, Hou Ronghua, Wang Hongxue, Lin Lezhong, Xi Zhenhua, Sheng Xuemin, Sun Donghua, Wang Lingling. Vacuum technology vacuum gauge and standard vacuum gauge directly Uncertainty assessment comparing calibration results

1 Scope

This standard gives guidance on the evaluation and reporting of measurement uncertainty, which is in accordance with ISO /T S3567 and the standard Airship directly compare the calibration of the vacuum gauge. This standard describes the method of reporting the uncertainty of the vacuum gauge certificate. The uncertainty given by this standard can be borrowed from one another, ie, one The uncertainty of the result evaluation can be used as a component of the uncertainty assessment in another measurement or calibration procedure. The first result can also be used for this Measurement and calibration process. The two measurement models defined in this standard are sufficient to cover the vast majority of instances, but may not be suitable for newly developed gauges. The uncertainty reported in the final certificate is obtained by assessing the uncertainty of input and impact. This standard describes the shadow in detail The major amount of the results of the calibration of the vacuum gauge does not list all possible quantities that affect the final result. Note The calibration of special types of vacuum gauges will be covered in the technical specifications in the future.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. ISO /T S3567 vacuum gauge and the standard vacuum gauge direct comparison and calibration (Vacuumgauges-Calibrationbydirect comparisonwithareferencegauge) ISO /IEC Guide 98-3, Measurement Uncertainty Part 3. Guidance on Measurement Uncertainty (GUM.1995) [Uncer- taintyofmeasurement-Part 3.Guidetotheexpressionofuncertaintyinmeasurement (GUM. 1995)] ISO /IEC Guide99.2007 International Journal of Metrology Vocabulary Basic and Common Concepts and Related Terms (VIM) [International vocabulary of metrology-Basic and general criteria and associated devices (VIM)]

3 Terms and definitions

ISO /T S3567, ISO /IEC Guide98-3, ISO /IEC Guide99 and the following terms and definitions apply to this file. 3.1 Corrected indication The value of vacuum gauge after system error correction obtained value. Example. Refer to the results given in the standard calibration certificate. 3.2 Long-term instability long-terminstability Changes that may occur after a long period of calibration. Examples. Changes caused by device shipping. Note. Long-term instability is not the same as the repeatability defined in ISO /IEC Guide 99.2007, 3.7.

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