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GB/T 27411-2012 English PDF

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GB/T 27411-2012: Routine methods for evaluation and expression of measurement uncertainty in testing laboratory
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PDF similar to GB/T 27411-2012


Standard similar to GB/T 27411-2012

GB/T 19630   GB/T 19630.2   GB/T 19630.4   GB/T 27415   GB/T 27413   GB/T 27412   

Basic data

Standard ID GB/T 27411-2012 (GB/T27411-2012)
Description (Translated English) Routine methods for evaluation and expression of measurement uncertainty in testing laboratory
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard B04
Classification of International Standard 19.020
Word Count Estimation 37,344
Quoted Standard GB/T 5487; GB/Z 22553; GB/T 22554; GB/T 27025; GB/T 27407; GB/T 27408; GB/T 27412; JJF 1001; JJF 1059
Regulation (derived from) National Standards Bulletin No. 42 of 2012
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
Summary This standard specifies the measurement uncertainty of the four evaluation method. This standard applies to the testing laboratory measurement uncertainty.

GB/T 27411-2012: Routine methods for evaluation and expression of measurement uncertainty in testing laboratory


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Routine methods for evaluation and expression of measurement uncertainty in testing laboratory ICS 19.020 B04 National Standards of People's Republic of China Uncertainty testing laboratories commonly used Evaluation Method and expressed Issued on. 2012-12-31 2013-07-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard certification and accreditation by the National Standardization Technical Committee (SAC/TC261) and focal points. This standard was drafted. People's Republic of China Liaoning Province Exit Inspection and Quarantine, China National Accreditation Center, Jinling SCIENCE University, China Institute of Metrology, People's Republic of China Yantai Exit Inspection and Quarantine, Shanxi People's Republic of China Entry-Exit Inspection Quarantine Bureau, Beijing University, People's Republic of China Shanghai Entry-Exit Inspection and Quarantine Bureau, People's Republic of China Guangdong Entry-Exit Inspection and Quarantine Bureau of Quality and Technical Supervision Dehong Comprehensive Test Center, Chinese Center for Disease Control and Prevention, National dangerous chemicals Quality Supervision and Inspection Center, the National Home Electrical Safety Quality Supervision and Inspection Center. The main drafters of this standard. Wang Wen bucket, Shichang Yan, CAO, cattle Xingrong, Yang Ming, Sun Hairong, Ni red, Jackson to the king, Zhao Bao hair, Xie law, Chen Qingdong, Zhong Zhiguang, Yun Deng, Jing, Yang Jiaolan, had Ze Ji Tao, Wang Ni.

Introduction

Currently, the National Metrology technical specifications JJF1059 "Evaluation and Expression of Uncertainty in Measurement" is widely used in various types of testing laboratories; in The application process, the laboratory is particularly concerned that the operational, practical and convenient evaluation method. The standard measurement uncertainty of assessment for the implementation of GB/T 27025 "testing and calibration laboratories General requirements" testing laboratory Set, provides precision method, a control chart method, linear fitting method and empirical models. These four methods have been used extensively in Europe and America, the laboratory can According to their discretion reference use. This standard method under certain conditions are met, for JJF1059 simplification and extension applications. This standard cited examples are intended to illustrate and explain the four methods to make. Uncertainty testing laboratories commonly used Evaluation Method and expressed

1 Scope

This standard defines four evaluation method of measurement uncertainty. This standard applies to the testing laboratory Measurement Uncertainty.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 5487 Determination of gasoline octane number (research) GB /Z22553 use of repeatability, reproducibility estimates evaluate the measurement accuracy and uncertainty Guide GB/T 22554 linear calibration based on a standard sample GB/T 27025 testing and calibration laboratories General requirements GB/T 27407 laboratory quality control use performance statistics for quality assurance and control chart technical evaluation and analysis of the measurement system Evaluation of the effectiveness of the linear relationship between the GB/T 27408 laboratory quality control of non-standard test method GB/T 27412-based verification of a single sample test results of laboratory detection bias JJF1001 common measurement terms and definitions JJF1059 Evaluation and Expression of Uncertainty in Measurement

3 Terms and Definitions

The following terms and definitions GB/T 27407 and JJF1001 defined in this document apply. 3.1 Measurement measurementmethod A general description of the operation of the measurement process used in the given logic arrangements. Note. Methods of measurement expressed in different ways available, such as alternative measurement, differential measurement, zero measurement, direct measurement, indirect measurement method. [JJF1001-2011, the definition 4.5] 3.2 Measurements measurementresult, resultofmeasurement Give a set of values \u200b\u200bto be measured along with other useful information. Note. The measurement result is usually expressed as a single measured value and a measurement uncertainty. For some applications, if the measurement uncertainty can be considered negligible, The measurement results can be expressed as a single measured value. In many areas, this is a common way to measure results. [JJF1001-2011, Definition 5.1] 3.3 Measurement Uncertainty measurementuncertainty, uncertaintyofmeasurement Uncertainty uncertainty According to the information used, to give non-negative characterization parameters are measured magnitude dispersible.

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