1 Scope and object
This clause of Part 1 is applicable except as follows:
1.1 Scope
1.1.1 General
Replacement:
This part of IEC 60704 applies to electric hand-held hairdryers for household and similar use supplied from mains, which operate with a flow of air.
These particular requirements can also be applied to analogous electrically operated
devices such as hairstyling appliances, which produce the airflow by a fan.
Helmet-type hairdryers are excluded from this standard.
This standard does not apply to hair care appliances with radiant heating.
1.1.2 Types of noise
Replacement:
ISO 3743‑1
, ISO 3743‑2 and ISO 3744 can be used for measuring noise emitted by electric hairdryers.
1.1.3 Size of the source
Replacement:
The method specified in ISO 3744 is applicable to noise sources of any size (limited only by available test environment).
When applying ISO 3743‑1 and ISO 3743‑2, care should be taken that the maximum size of the electric hair care appliance under
test fulfils the requirements specified in 1.3 of ISO 3743‑1 and ISO 3743‑2.