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GB/T 46568.1-2025Intelligent instruments reliability - Part 1: Reliability test and evaluation methods (English PDF)

智能仪器仪表可靠性　第1部分：可靠性试验与评估方法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

October 31, 2025

Implementation date

May 1, 2026

Scope

GB/T 46568.1-2025 is the English-translated version of 智能仪器仪表可靠性　第1部分：可靠性试验与评估方法.

GB/T 46568.1-2025 is the Chinese standard "Intelligent instruments reliability - Part 1: Reliability test and evaluation methods". Its scope clause reads: This document specifies the reliability indicators and target values, and fault criteria for reliability testing and evaluation of intelligent instruments and meters.

It also describes the reliability testing... Test methods, reliability test implementation and evaluation methods. This document applies to the reliability testing and evaluation of intelligent instruments and meters. Its clauses include terms and definitions.

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Document preview — GB/T 46568.1-2025

National Standard of the People's Republic of China

ICS: 25.040
Classification: N 10

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

Preface
Introduction
1.Scope
2 Normative References
3.Terms and Definitions
4.Reliability Indicators and Target Values
4.1 Reliability Indicators
4.2 Reliability target value
5.Fault Criteria
5.1 Associated Faults
5.2 Non-associated faults
5.3 Principles for Formulating Fault Criteria
5.4 Instrument Fault Criteria
6.Reliability Testing Methods
6.1 Overview
6.2 Selection of Test Methods
6.3 Reliability Growth Test
6.4 Reliability Enhancement Test
6.5 Reliability Verification Test
6.6 Reliability Field Tests
6.7 Reliability Testing
6.8 Accelerated Testing
7.Reliability Test Implementation and Evaluation
7.1 Experimental Preparation
7.2 Experiment Implementation
7.3 Experimental Data Processing and Evaluation
Appendix A (Informative) 20 Case Studies of Reliability Verification Tests
Appendix B (Informative) Relevant Tables for Reliability Field Tests
Appendix C (Informative) Case Study 23.Reliability Testing and Analysis
Appendix D (Informative) 25 Typical Instrument Reliability Test Cases
References

1 Scope

This document specifies the reliability indicators and target values, and fault criteria for reliability testing and evaluation of intelligent instruments and meters. It also describes the reliability testing...

Test methods, reliability test implementation and evaluation methods.

This document applies to the reliability testing and evaluation of intelligent instruments and meters.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 2900.99-2016 Reliability of Electrical Engineering Terminology

GB/T 3358-2009 (All Parts) Statistical Terminology and Symbols

GB/T 5080.4-1985 Point and Interval Estimation Methods for Reliability Testing of Equipment (Exponential Distribution)

GB/T 18271.1-2017 General performance evaluation methods and procedures for process measurement and control devices - Part 1.General principles

GB/T 39844-2021 Statistical Test and Evaluation Methods for Reliability Growth

GB/T 34986-2017 Accelerated Testing Methods for Products

GB/T 46568.2-2025 Reliability of Intelligent Instruments and Meters - Part 2.Enhanced Test Methods for Reliability of Electrical Systems

JB/T 6214-2014 Guidelines for Reliability Verification and Measurement Tests of Instruments and Meters (Exponential Distribution)

3 Terms and Definitions

The terms and definitions defined in GB/T 2900.99-2016 and GB/T 3358-2009 (all parts) as well as the following terms and definitions apply to this document.

3.1

Designed based on a microprocessor or microcomputer, it has functions such as data acquisition, processing, configuration, diagnosis, control and/or communication.

A digital instrument capable of operating.

3.2

Based on the product's own test data, the values of reliability parameters are estimated using statistical numerical estimation theory.

3.3

A quantitative measure of product reliability; parameters that describe the reliability characteristics of a product.

3.4 reliability indexes

Quantitative requirements for reliability characteristics of a product under specified conditions.

GB/T 42456 | GB/T 42457 | GB/T 41295.4 | GB/T 45616.1 | GB/T 11605 | GB/T 46568.2 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 36 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 3358-2009

Cited by

GB/T 46568.2-2025Intelligent instruments reliability - Part 2: Reliability enhancement test method of electrical system

Editions of GB/T 46568.1

Edition	Title	Revision	Status
GB/T 46568.1-2025	Intelligent instruments reliability - Part 1: Reliability test and evaluation methods	current edition	Current

This page sells the current edition, GB/T 46568.1-2025. Earlier editions are listed for reference only.

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