Specifies the requirements for instruments to measure sound intensity employing the two-microphone technique and methods for performance verification to meet the requirements. Its primary application is to instruments used for the determination of sound
ANSI S1.9-1996由美国国家标准学会 US-ANSI 发布于 1996。
ANSI S1.9-1996 在中国标准分类中归属于: N77 超声波与声放射探伤仪器,在国际标准分类中归属于: 17.140.01 声学测量和噪声抑制综合。
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