This standard, taken together with EN ISO 9902-1, specifies mounting, operating and measuring conditions required for the measurement, declaration and verification of noise emitted by yarn processing, cordage and rope manufacturing machinery.
DS/EN ISO 9902-4/A1:2009 history
2009DS/EN ISO 9902-4/A1:2009 Textile machinery - Noise test code - Part 4: Yarn processing, cordage and rope manufacturing machinery
2001DS/EN ISO 9902-4:2001 Textile machinery - Noise test code - Part 4: Yarn processing, cordage and rope manufacturing machinery