1.1.1 General
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.
1.1.2 Types of noise
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
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.
1.2 Object
Requirements for the declaration of noise emission values are not within the scope of this
standard.