SAE J 1207:1987 (R2000)被替代
Measurement Procedure For Determination Of Silencer Effectiveness In Reducing Engine Intake Or Exhaust Sound Level
出版：SAE International
专家解读视频
基本信息
标准编号： SAE J 1207:1987 (R2000)
标准类别：Standard
出版单位：SAE International
标准页数：7
标准简介
Gives the instrumentation, environment and test methods for use for measurement of the silencer system effectiveness for reduction of intake or exhaust sound level of internal combustion engines. Includes the intake or exhaust silencer, ralated piping and components. Meant for engine-dynamometer testing, and does not necessarily apply to vehicle testing.
替代本标准的新标准
