IEC 60704-2-7:1997
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 2-7: Particular requirements for fans
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
12-09-2022
English - French, Spanish, Castilian
05-09-1997
FOREWORD
INTRODUCTION
1 Scope and object
2 Normative references
3 Terms and definitions
4 Measurement methods and acoustical environments
5 Instrumentation
6 Operation and location of appliances under test
7 Measurement of sound pressure levels
8 Calculation of sound pressure and sound power levels
9 Information to be recorded
10 Information to be reported
Figure 101
Annexes
A Guidelines for the design of simple test rooms with
essentially free-field conditions
B Standard test table
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