GB/T 16955-1997 in English

《GB/T 16955-1997声学 农林拖拉机和机械操作者位置处噪声的测量 简易法》由TC17（全国声学标准化技术委员会）归口，主管部门为中国科学院。
本标准规定了农林拖拉机和机械操作者位置处噪声的测量方法。本标准适用于操作者乘座操纵或步行操纵的拖拉机和机械，测量的噪声只与机械本身有关。

Scope

This standard specifies the measurement method of noise at the operator's position of agricultural and forestry tractors and machinery. This standard applies to tractors and machinery operated by the operator by seat or on foot, and the measured noise is only related to the machinery itself. The test procedure stipulated in this standard is the same as the test procedure of the simple method in GB/T14259. This standard also specifies the basic requirements for noise measurement and recording at the operator's position of agricultural and forestry tractors and machinery. Additional conditions for the measurement of various types of machinery noise are specified in the following appendices: Appendix A (standard appendix) agricultural and forestry tractors Appendix B (standard appendix) self-propelled agricultural machinery Appendix C (standard appendix) walk-operated agricultural machinery appendix D (Appendix to the standard) During the measurement of forestry forwarders and skidding tractors, the specified operating conditions of the machinery should make the measured noise real and reproducible, and it is the maximum noise that the operator can experience when manipulating the machinery .