Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 2-2: Particular requirements for fan heaters
General Replacement: This standard applies to electric fan heaters@ designed for placing on the floor@ table or counter@ etc.@ or for wall-mounting. This standard does not apply to -electric storage room heaters; -room humidifiers; -room dehumidifiers; -air cleaners; -heaters designed exclusively for industrial purposes. Types of noise Replacement: ISO 3743-1@ ISO 3743-2 and ISO 3744 can be used for measuring noise emitted by fan heaters. 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 appliance under test fulfils the requirements specified in Subclause 1.3 of ISO 3743-1 and ISO 3743-2.