GB/T 15470.3-2025 English PDF

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GB/T 15470.3-2025: Household electric direct-acting room heaters - Methods for measuring performance - Part 3: Additional provisions for the measurement of the radiation efficiency
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 15470.3-2025	779	Add to Cart	6 days	Household electric direct-acting room heaters - Methods for measuring performance - Part 3: Additional provisions for the measurement of the radiation efficiency	Valid

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Basic data

Standard ID: GB/T 15470.3-2025 (GB/T15470.3-2025)
Description (Translated English): Household electric direct-acting room heaters - Methods for measuring performance - Part 3: Additional provisions for the measurement of the radiation efficiency
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y63
Classification of International Standard: 97.100.10
Word Count Estimation: 38,325
Date of Issue: 2025-04-25
Date of Implementation: 2025-11-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 15470.3-2025: Household electric direct-acting room heaters - Methods for measuring performance - Part 3: Additional provisions for the measurement of the radiation efficiency

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 97.100.10 CCSY63 National Standard of the People's Republic of China Household direct-acting electric room heaters Performance test methods Part 3.Radiation Additional provisions for efficiency measurement (IEC 60675-3.2020,IDT) Released on 2025-04-25 2025-11-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Table of contents

Preface III Introduction IV 1 Scope 1 2 Normative references 1 3 Terms, definitions and symbols 1 4 Categories 4 5 Measurement Items 4 6 General conditions for measurement 4 7 Dimensions, mass and connection to the power supply 4 8 Temperature rise of air outlet grille and outer surface 4 9 Temperature rise of the surface around the heater 4 10 Heater heating time 4 11 Indoor temperature stability 4 12 Cooling 4 13 Antifreeze Temperature 5 14 Inrush current 5 15 Heat radiation effect 5 16 Measurement of effective power 5 17 Verify the manufacturer's maximum room temperature 5 Appendix A (Normative) Climate Test Chamber 6 Appendix B (Informative) Information provided by the point of sale 7 Appendix C (Informative) Test Report Format 8 Appendix AA (Informative) Measurement method of radiation efficiency 9 Reference 32 Figure AA.1 Location of wall mounted heater and infrared thermal imager in the test chamber 15 Figure AA.2 Location of ceiling mounted heater and infrared camera in the test chamber 16 Figure AA.3 Location of floor-standing heater and infrared thermal imager in the test chamber 17 Figure AA.4 Schematic diagram of a Fourier transform infrared spectrometer used to measure the spectral reflectance of the detection object 23 Figure AA.5 Schematic diagram of reference measurement of directional hemispherical spectral reflectance 24 Table 100 Symbols used in this document 3

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 3 of GB/T 15470 "Performance test methods for household direct-acting room electric heaters". The following parts have been published. ---Performance test method for household direct-acting room electric heaters; --- Part 2.Additional provisions for emissivity measurement; --- Part 3.Additional provisions for radiant efficiency measurement. This document is equivalent to IEC 60675-3.2020 "Performance test methods for household direct-acting room electric heaters Part 3.Radiation Additional Provisions for Measurement of Radiation Efficiency. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by China Light Industry Federation. This document is under the jurisdiction of the National Technical Committee for Standardization of Household Electrical Appliances (SAC/TC46). This document was drafted by. Weikai Testing Technology Co., Ltd., Wuhan Product Quality Supervision and Inspection Institute, Shenzhen Lianchuang Electric Industry Co., Ltd. Guangdong Midea Environmental Appliance Manufacturing Co., Ltd., China Electric Power Research Institute Co., Ltd., China Home Furnishing Institute (Beijing) Testing and Certification Co., Ltd. Company, Weikai Certification and Testing Co., Ltd. The main drafters of this document are. Zhong Chengcheng, Wu Di, Huang Shushen, Chen Cankun, Wang Zemei, Jian Pengfei, Zhang Limin, and Wu Min.

Introduction

GB/T 15470 "Performance test methods for household direct-acting room electric heaters" aims to standardize direct-acting room electric heaters The performance testing method is planned to consist of three parts. ---Performance test method for household direct-acting room electric heaters. The purpose is to specify the performance test method for household direct-acting room electric heaters. performance testing method. --- Part 2.Additional provisions for the measurement of emissivity. The purpose is to specify the radiation coefficient of household direct-acting room electric heaters. Number measurement method. --- Part 3.Additional provisions for the measurement of radiant efficiency. The purpose is to specify the radiant efficiency of household direct-acting room electric heaters. Rate measurement method. Household direct-acting electric room heaters Performance test methods Part 3.Radiation Additional provisions for efficiency measurement

1 Scope

This chapter of IEC 60675.1994 is applicable with the following amendments. The first and second paragraphs are replaced by the following. This document specifies the performance characteristics related to the radiant effect of domestic direct-acting electric room heaters and describes them for the reference of users. Method for measuring radiant efficiency. This document applies to the measurement of the radiant efficiency of domestic direct-acting electric room heaters.

2 Normative references

Chapter 2 of IEC 60675.1994 is replaced by the following. The contents of the following documents constitute 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. GB/T 15470.2-2025 Performance test methods for household direct-acting room electric heaters Part 2.Measurement of emissivity Additional provisions (IEC 60675-2.2020, IDT) IEC 60675.1994/AMD1.1998 IEC 60675.1994/AMD2.2018 Note. GB/T 15470-2002 Performance test method for household direct-acting room electric heaters (idtIEC 60675.1994) 3 Terms, definitions and symbols Chapter 3 of IEC 60675.1994 is replaced by the following. IEC 60675.1994, IEC 60675.1994/AMD1.1998, GB/T 15470.2-2025 and the following terms and For the purposes of this document, the definitions apply. The terminology databases used for standardization maintained by ISO and IEC are located at. 3.101 radiant factor The ratio of the measured infrared heat output to the measured total energy input, expressed as a percentage. NOTE. The emissivity can be measured for plate heaters, convection heaters and radiant heaters. 3.102 Radiation efficiency The heat flowing into the (test) chamber through radiation exchange between the effective radiation heating surface and the inner surface of the chamber is ......

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