本SAE推荐实施规程建立了设备和测试程序，用于确定便携式应用中使用的多位置小型发动机（<19 kW）的火花熄灭器排气系统的性能，包括手持式、手持式和背包式装置。不适用于车辆或固定设备中使用的火花熄灭器。

This SAE Recommended Practice establishes equipment and test procedures for determining the performance of spark arrester exhaust systems of multiposition small engines (<19 kW) used in portable applications, including hand-held, hand-guided, and backpack mounted devices. It is not applicable to spark arresters used in vehicles or stationary equipment.