Determination of sound power level for noise emitted by reciprocating pump—Engineering method
本标准规定了一个反射平面上自由声场条件下噪声声功率级的工程测定法和混响室内噪声声功率级工程测定法。本标准中混响室内噪声声功率级的测定，采用标准声源比较法中移动传声器测试方法，多点测试方法参见附录A。
本标准适用于包括原动机在内的往复泵机组(以下简称泵机组)噪声声功率级的测定。
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