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GB/T 27411-2012Routine methods for evaluation and expression of measurement uncertainty in testing laboratory (English PDF)

检测实验室中常用不确定度评定方法与表示

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 31, 2012

Implementation date

July 1, 2013

Scope

GB/T 27411-2012 is the English-translated version of 检测实验室中常用不确定度评定方法与表示.

GB/T 27411-2012 is the Chinese standard "Routine methods for evaluation and expression of measurement uncertainty in testing laboratory". Its scope clause reads: This standard defines four evaluation method of measurement uncertainty.

This standard applies to the testing laboratory Measurement Uncertainty. Its clauses include terms and definitions.

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Document preview — GB/T 27411-2012

National Standard of the People's Republic of China

ICS
19.020
Classification
B 04

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Contents

  • 1 Scope
  • 2 Normative references
  • 3 Terms and Definitions
  • 3.1 Measurement
  • 3.2 Measurements measurementresult, resultofmeasurement
  • 3.3 Measurement Uncertainty measurementuncertainty, uncertaintyofmeasurement

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

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 to 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.

GB/T 19630-2019 | GB/T 19630.2-2011 | GB/T 19630.3-2011 | GB/T 27415-2013 | GB/T 27413-2012 | GB/T 27412-2012 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 30 pages — is available in the English PDF.

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