SN EN 60704-2-7 : 1998

INTRODUCTION<br>1 Scope and object<br>2 Normative references<br>3 Terms and definitions<br>4 Measurement methods and acoustical environments<br>5 Instrumentation<br>6 Operation and location of appliances under test<br>7 Measurement of sound pressure levels<br>8 Calculation of sound pressure and sound power levels<br>9 Information to be recorded<br>10 Information to be reported<br>Figure 101<br>Annexes<br>A Guidelines for the design of simple test rooms with<br>&nbsp;&nbsp;&nbsp;&nbsp;essentially free-field conditions<br>B Standard test table<br>ZA (normative) Normative references to international<br>&nbsp;&nbsp;&nbsp;&nbsp;publications with their corresponding European<br>&nbsp;&nbsp;&nbsp;&nbsp;publications

Applicable to electrical fans (including accessories and component parts) for household and similar use, designed for a.c. or d.c. supply. Motor, impeller and housing, if included, form a single unit. Applicable to table, pedestal, ceiling and partition fans, but not to fans which are part of a ventilation system, designed exclusively for industrial purposes, part of an appliance such as cooling fans or fans with extra functions, such as heating or humidifying).