GB/T 18268.22-2025Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 22: Particular requirements - Test configurations, operational conditions and performance criteria for portable testing, measuring and monitoring equipment used in low-voltage distribution systems (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting.

This document is Part 22 of GB/T 18268 "Electromagnetic compatibility requirements for electrical equipment for measurement, control, and laboratory use".

GB/T 18268 has published the following parts.

--- Part 1: General requirements;

--- Part 21: Special requirements for test configuration and working conditions of sensitivity test and measurement equipment for applications without electromagnetic compatibility protection and performance criteria;

--- Part 22: Particular requirements Test configuration, operating conditions and requirements for portable test, measuring and monitoring equipment for low-voltage distribution systems Performance criteria;

--- Part 23: Special requirements for test configurations, operating conditions and performance criteria for transmitters with integrated or remote signal conditioning;

--- Part 24: Particular requirements for insulation monitoring devices in accordance with IEC 61557-8 and insulation fault determination devices in accordance with IEC 61557-9 Test configuration, operating conditions and performance criteria of the equipment;

--- Part 25: Special requirements for test configuration, operating conditions and performance of field devices with interfaces conforming to IEC 61784-1, CP3/2 Ability to judge;

--- Part 26: Particular requirements for in vitro diagnostic (IVD) medical devices;

--- Part 31: Immunity requirements for safety-related systems and equipment intended to perform safety-related functions (functional safety) General industry application;

--- Part 32: Immunity requirements for safety-related systems and equipment intended to perform safety-related functions (functional safety) Specific electromagnetic Industrial applications of the environment.

This document replaces GB/T 18268.22-2010 "Electromagnetic compatibility requirements for electrical equipment for measurement, control and laboratory use Part 22 Part 1: Special requirements for test configuration, operating conditions and performance criteria of portable test, measuring and monitoring equipment for low-voltage distribution systems Compared with GB/T 18268.22-2010, in addition to structural adjustments and editorial changes, the main technical changes are as follows.

--- Added immunity test requirements for portable test and measuring equipment powered by batteries or circuits under test (see Appendix A).

This document is equivalent to IEC 61326-2-2:2020 "Electromagnetic compatibility requirements for electrical equipment for measurement, control, and laboratory use Part 2-2 Part 1: Part 1: Test configuration, operating conditions and performance criteria for portable test, measuring and monitoring equipment for low-voltage distribution systems.

The following minimal editorial changes have been made to this document.

--- To coordinate with the existing standard, change "Part 2-2" in the standard name to "Part 22".

Introduction

GB/T 18268 "Electromagnetic compatibility requirements for electrical equipment for measurement, control and laboratory use" has been published and consists of 9 parts.

--- Part 1: General requirements. The purpose is to specify the electromagnetic requirements of electrical equipment for professional, industrial process, industrial manufacturing and educational use Compatibility immunity and emission requirements, these electrical equipment are powered by less than AC 1000V or DC 1500V power or this includes equipment and computing devices used in industrial and non-industrial locations.

--- Part 21: Special requirements for test configuration and working conditions of sensitivity test and measurement equipment for applications without electromagnetic compatibility protection the purpose is to specify in more detail the equipment with test and measurement circuits (internal and (or) external circuits of the equipment) the test configuration, working conditions and performance criteria of these devices are specified by the manufacturer for operational and/or functional reasons.

There is no electromagnetic compatibility protection. This document is used in conjunction with GB/T 18268.1.

--- Part 22: Particular requirements Test configuration, operating conditions and requirements for portable test, measuring and monitoring equipment for low-voltage distribution systems the purpose is to specify in more detail the test, measurement or monitoring equipment of low voltage distribution system protection facilities, which consists of batteries and (or) equipment powered by the circuit under test, test configuration, operating conditions and performance criteria for portable equipment.

For use in conjunction with GB/T 18268.1.

--- Part 23: Special requirements for test configurations, operating conditions and performance criteria for transmitters with integrated or remote signal conditioning.

The purpose is to define in more detail the conversion function, which is characterized by the conversion of non-electrical quantities into process-related quantities with the help of auxiliary energy.

The test configuration and working principle of the transmitter for measuring electrochemical quantity and biomass are provided.

Conditions and performance criteria. This document is used in conjunction with GB/T 18268.1.

--- Part 24: Particular requirements for insulation monitoring devices in accordance with IEC 61557-8 and insulation fault determination devices in accordance with IEC 61557-9 the purpose is to provide more detailed provisions for the test configuration, operating conditions and performance criteria of the equipment in accordance with IEC 61557-8.

Test configuration, operating conditions and performance criteria for monitoring devices and insulation fault location equipment in accordance with IEC 61557-9.

This part is used in conjunction with GB/T 18268.1.

--- Part 25: Special requirements for test configuration, operating conditions and performance of field devices with interfaces conforming to IEC 61784-1, CP3/2 the purpose is to discuss the special requirements of electromagnetic compatibility testing of field devices for interfaces that meet IEC 61784-1, CP3/2.

This document is used in conjunction with GB/T 18268.1.

--- Part 26: Particular requirements for in vitro diagnostic (IVD) medical devices. The purpose is to Electromagnetic environment, specifies the basic requirements for its electromagnetic compatibility, immunity and emission. This document is coordinated with GB/T 18268.1 use.

--- Part 31: Immunity requirements for safety-related systems and equipment intended to perform safety-related functions (functional safety) General industry Application. The purpose is to specify the expected performance of SIL1 to SIL3 in IEC 61508 in the electromagnetic environment of indoor and outdoor industrial sites.

Immunity requirements for industrial systems and equipment with safety functions. This document is used in conjunction with GB/T 18268.1.

--- Part 32: Immunity requirements for safety-related systems and equipment intended to perform safety-related functions (functional safety) Specific electromagnetic Industrial applications of the environment. The purpose is to specify the specific electromagnetic environment obtained by using mitigation measures in indoor and outdoor industrial locations Under the IEC 61508 SIL1 to SIL3, the systems and equipment used in industrial applications that are intended to perform safety functions are immune to disturbances.

This document is used in conjunction with GB/T 18268.1.

In the international standards to which this document is equivalent, the additional contents of each chapter are specially numbered, such as 5.2.4.101, 5.3.101, 6.2.101 to be consistent with international standards, this document has not been changed.

Electrical equipment for measurement, control and laboratory use Electromagnetic compatibility requirements Part 22: Particular requirements Portable test, measurement and Test configuration, working conditions and performance criteria of monitoring equipment

1 Scope

In addition to the requirements of GB/T 18268.1-2025, this document specifies in more detail the requirements covered in Appendix A of GB/T 18268.1-2025.

The test configuration, operating conditions and performance criteria of the following equipment are covered.

--- Test, measuring or monitoring equipment for protective facilities of low-voltage distribution systems;

--- Equipment powered by batteries and (or) the circuit under test;

---Portable devices.

Such equipment includes, but is not limited to, voltage detectors, insulation resistance testers, earth bond resistors, and Tester, Earth resistance tester, Leakage current clamp, Loop impedance tester, "Current type leakage circuit breaker tester" (RCD tester) and Phase sequence tester.

Note. For special electromagnetic compatibility requirements for equipment covered by IEC 61557-8 and IEC 61557-9, see GB/T 18268.24.

The manufacturer shall specify the intended use environment of the equipment and select the applicable test level from GB/T 18268.1-2025.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document.

For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to this document.

Except for the following contents, Chapter 2 of GB/T 18268.1-2025 applies to this document.

Supplement.

GB/T 18268.1-2025 Electromagnetic compatibility requirements for electrical equipment for measurement, control, and laboratory use Part 1: General requirements (IEC 61326-1:2020, IDT) IEC 61557 (all parts) Test Methods for Protective Measures for Electrical Safety in Low Voltage Distribution Systems up to 1000 V AC and 1500 V DC Note. GB/T 18216 (all parts) Test, measurement or other electrical safety protection measures for low voltage power distribution systems below 1000V AC and 1500V DC Monitoring equipment [IEC 61557 (all parts)]

3 Terms and Definitions

The terms and definitions defined in GB/T 18268.1-2025 and IEC 60050-161 apply to this document.

4 General

Chapter 4 of GB/T 18268.1-2025 applies to this document.