BS ISO 19449:2015规定了直接测量液体浓度的方法 检查或维护期间，ISO 3833中定义的轻便摩托车排放的气体。这个 根据该国际标准测量的结果显示了气体排放的浓度 在发动机空载运行条件下。适用于装有火花点火发动机的轻便摩托车 （四冲程发动机或二冲程发动机）。这些方法可以全部或部分用于官方车库的定期检查、官方路边检查以及维护和诊断操作。交叉引用:ISO/PAS 3930ISO 1176ISO 3833ISO 392992/55/EECAll购买本文件时提供的最新修订包括在购买本文件中。

BS ISO 19449:2015 specifies methods for the direct measurement of the concentration of gaseous exhaust emissions from mopeds as defined in ISO 3833 during inspection or maintenance. The results measured by this International Standard show the concentration of gaseous exhaust emissions in the no-load engine operating condition. It is applicable to mopeds having spark ignition engines (four-stroke engines or two-stroke engines). These methods can be used, either totally or partially, forperiodic inspections in official garages,official roadside checks, andmaintenance and diagnostic operations.Cross References:ISO/PAS 3930ISO 1176ISO 3833ISO 392992/55/EECAll current amendments available at time of purchase are included with the purchase of this document.