This part of ISO 9902, taken together with ISO 9902-1, specifies the mounting, operating and measuring conditions
required for the measurement, declaration and verification of noise emitted by spinning preparatory and spinning
machinery.
It is applicable to engineering (grade 2) and survey (grade 3) methods, in accordance with the International
Standards to which it makes normative reference, and to machines of different types used as defined in ISO 2187.