scope:

This International Standard provides guidelines comprising: a) brief explanations of the principles underlying the set of basic International Standards for measuring the noise emitted by machines and equipment; b) assistance in the selection of the appropriate basic International Standard; c) general information on supplementing the basic International Standards with instructions concerning the installation and operating conditions for the particular type of machines or equipment; such instructions are usually incorporated in test codes. These guidelines are applicable to the preparation of all noise test codes for any type of machine or equipment, with the exception of moving vehicles or other non-stationary equipment. These guidelines apply only to airborne sound and are applicable only to test codes requiring the determination of sound power levels of noise sources