NBN EN ISO 9902-4:2001

This Part 4 of the standard is a complement to Part 1 and specifies, together with it, the mounting, operating and measuring conditions required for the measurement, declaration and verification of noise emitted by different types of spinning preparatory and spinning machines. It is applicable to engineering methods (grade 2) and survey methods (grade 3) defined in the standards referred to. It concerns machines for: - yarn processing (e.g. doubling, twisting and texturing machines, reeling and winding machines, ball winding machines); etc.