{"id":394305,"date":"2024-10-20T04:13:24","date_gmt":"2024-10-20T04:13:24","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iec-60704-2-182022\/"},"modified":"2024-10-26T07:53:32","modified_gmt":"2024-10-26T07:53:32","slug":"bs-en-iec-60704-2-182022","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iec-60704-2-182022\/","title":{"rendered":"BS EN IEC 60704-2-18:2022"},"content":{"rendered":"
IEC 60704-2-18:2022 applies to single-unit electric water heaters for household and similar use intended for placing on the floor against a wall, for building-in or placing under a counter, a kitchen worktop or under a sink, for wall-mounting or on a counter. This document does not apply to: \u2013 combustion water heaters; \u2013 water kettles; \u2013 heat pump water heaters; \u2013 conventional electric storage water heaters as defined in IEC 60335-2-21:2012, Clause 1; \u2013 instantaneous electric water heaters without any noise-producing components such as motors and pumps. This document is intended to be used in conjunction with IEC 60704\u20111:2021.<\/p>\n
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2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | Annex ZA (normative)Normative references to international publicationswith their corresponding European publications <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | English CONTENTS <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | INTRODUCTION <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | 1 Scope 2 Normative references <\/td>\n<\/tr>\n | ||||||
17<\/td>\n | 3 Terms and definitions 4 Measurement methods and acoustical environments 4.1 General 4.2 Direct method <\/td>\n<\/tr>\n | ||||||
20<\/td>\n | Figure 101 \u2013 Scanning patterns according to ISO 9614-2 Tables Table 101 \u2013 C values <\/td>\n<\/tr>\n | ||||||
21<\/td>\n | Table 102 \u2013 S values Table 1 \u2013 Standard deviations of sound power levels Table 2 \u2013 Standard deviations for declaration and verification <\/td>\n<\/tr>\n | ||||||
22<\/td>\n | 5 Instrumentation 6 Operation and location of appliances under test <\/td>\n<\/tr>\n | ||||||
23<\/td>\n | 7 Measurement of sound pressure levels <\/td>\n<\/tr>\n | ||||||
24<\/td>\n | 8 Calculation of sound pressure and sound power levels 9 Information to be recorded 10 Information to be reported <\/td>\n<\/tr>\n | ||||||
25<\/td>\n | Annexes Annex A(normative)Standard test table <\/td>\n<\/tr>\n | ||||||
26<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Household and similar electrical appliances. Test code for the determination of airborne acoustical noise – Particular requirements for electric water heaters<\/b><\/p>\n |