BS EN 60704-2-4:2012+A11:2020

This standard BS EN 60704-2-4:2012+A11:2020 Household and similar electrical appliances. Test code for the determination of airborne acoustical noise is classified in these ICS categories:

• 17.140.20 Noise emitted by machines and equipment
• 97.060 Laundry appliances

This clause of Part 1 is applicable except as follows:

1.1 Scope

1.1.1 General

Addition:

These particular requirements apply to single unit electrical washing machines and the washing and spinning function of combined appliances for household and similar use and to spin extractors for household and similar use.

NOTE 101 For drying function, see IEC 60704-2-6.

1.1.2 Types of noise

Replacement:

The methods specified in ISO 3743-1, ISO 3743-2 and ISO 3744 can be used for measuring noise emitted by washing machines and spin extractors.

1.1.3 Size of the source

Replacement:

The method specified in ISO 3744 is applicable to noise sources of any size. When applying ISO 3743-1 and ISO 3743-2, care should be taken that the maximum size of the washing machine or spin extractor under test fulfils the requirements specified in 1.3 of ISO 3743-1 and ISO 3743-2.