本文件规定了一个噪音测试代码，用于有效且标准化程度较低地测定噪音 便携式手持式内燃机的常见噪声排放特性 动力森林和园林机械，以及链锯、灌木切割机、割草机的具体要求， 磨边机、杆装动力修剪机、树篱修剪机和花园鼓风机/吸尘器/ 背包式喷雾器。噪声发射特性包括A加权发射声压 操作员位置的声级和A加权声功率级。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document specifies a noise test code for determining, efficiently and under standardized conditions, the common noise emission characteristics of portable, hand-held, combustion engine powered forest and garden machines, and specific requirements for chain-saws, brush-cutters, grasstrimmers, edgers, pole-mounted powered pruners, hedge-trimmers and garden blowers/vacuums/ knapsack mist blowers. Noise emission characteristics include the A-weighted emission sound pressure level at the operator position and the A-weighted sound power level.All current amendments available at time of purchase are included with the purchase of this document.