IEC 60704-2-7-2020 家用和类似电器装置--测定空气噪声的试验规程--第2-7部分:对风扇的特殊要求 Household and similar electrical appliances – Test code for the determination of airborne acoustical noise – Part 2-7: Particular requirements for fans

This document applies to electrical fans (including their accessories and their component
parts) for household and similar use, designed for AC or DC supply.
The motor, the impeller and their housing, if any, form a single unit.
These particular requirements apply to:
– conventional fans,
– table fans,
– pedestal fans,
– ceiling fans,
– bladeless fans,
– wall bracket fans,
– ceiling bracket fans,
– louver fans, 
– tower fans, 
– ventilating and partition ventilating fans.
This standard does not apply to:
– fans that are part of a ventilation system,
– fans designed exclusively for industrial purposes,
– fans that are part of an appliance (for example cooling fans),
– fans with additional functions (for example heating, humidifying).
Limitations for the use of this test code are given in the scope of IEC 60704-1.dition 2.0 2020-01 INTERNATIONAL STANDARD NORME INTERNATIONALE Household and similar electrical appliances – Test code for the determination of airborne acoustical noise – Part 2-7: Particular requirements for fans Appareils électrodomestiques et analogues – Code d'essai pour la détermination du bruit aérien – Partie 2-7: Exigences particulières pour les ventilateurs IEC 60704-2-7:2020-01(en-fr) THIS PUBLICATION IS COPYRIGHT PROT