1、 IEC 60704-2-2Edition 2.0 2009-07INTERNATIONAL STANDARD Household and similar electrical appliances Test code for the determination of airborne acoustical noise Part 2-2:Particular requirements for fan heaters IEC 60704-2-2:2009(E)LICENSED TO MECON Limited.-RANCHI/BANGALORE,FOR INTERNAL USE AT THIS
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9、l:csciec.ch Tel.:+41 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALORE,FOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.IEC 60704-2-2Edition 2.0 2009-07INTERNATIONAL STANDARD Household and similar electrical appliances Test code for the determination
10、of airborne acoustical noise Part 2-2:Particular requirements for fan heaters INTERNATIONAL ELECTROTECHNICAL COMMISSION MICS 17.140.20;97.100.10 PRICE CODEISBN 2-8318-1054-2 Registered trademark of the International Electrotechnical Commission LICENSED TO MECON Limited.-RANCHI/BANGALORE,FOR INTERNAL
11、 USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 60704-2-2 IEC:2009(E)CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope and object.6 1.1 Scope.6 1.1.1 General.6 1.1.2 Types of noise.6 1.1.3 Size of the source.6 1.2 Object.6 1.3 Measurement uncertainty.7 2 Normative references.7 3 Terms and defin
12、itions.7 4 Measurement methods and acoustical environments.7 5 Instrumentation.7 6 Operation and location of appliances under test.8 6.1 Equipping and pre-conditioning of appliances.8 6.2 Supply of electric energy and of water or gas.8 7 Measurement of sound pressure levels.10 8 Calculation of sound
13、 pressure and of sound power levels.10 9 Information to be recorded.10 10 Information to be reported.10 Annexes.12 LICENSED TO MECON Limited.-RANCHI/BANGALORE,FOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.60704-2-2 IEC:2009(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ HOUS
14、EHOLD AND SIMILAR ELECTRICAL APPLIANCES TEST CODE FOR THE DETERMINATION OF AIRBORNE ACOUSTICAL NOISE Part 2-2:Particular requirements for fan heaters FOREWORD 1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization comprising all national electrotechnical
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16、Reports,Publicly Available Specifications(PAS)and Guides(hereafter referred to as“IEC Publication(s)”).Their preparation is entrusted to technical committees;any IEC National Committee interested in the subject dealt with may participate in this preparatory work.International,governmental and non-governmental organizations liaising with the IEC also participate in this preparation.IEC collaborates closely with the International Organization for Standardization(ISO)in accordance with conditions d
