本标准的第2部分是对第1部分的补充，并列出了不同类型的纺纱预备和纺纱机发出的噪声的测量，声明和验证所需的安装，操作和测量条件。适用于所提及的标准中规定的工程方法（2级）和检验方法（3级）。它涉及ISO 2187中列出的机器: - 打开，清洁，混合; - 羊毛冲刷;打包 - 梳理 - 切割和拉伸断裂;等等

This Part 2 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 as listed in ISO 2187 for: - opening, cleaning, blending; - wool scouring; - baling; - carding; - tow cutting and stretch breaking; etc.