标准摘要
[中文适用范围]： 指用于确定声压的测量系统中使用的工作标准传声器的机械尺寸和某些电声特性，以使这些传声器能够用作校准中的传输标准。 [外文原描述]： Applies to working standard microphones. Specifies mechanical dimensions and certain electroacoustical characteristics for working standard microphones used in measuring systems for the determination of sound pressure to enable these microphones to be used as transfer standards in the calibration of acoustic measurement instruments.
英文名称Measurement microphones - Part 4: Specifications for working standard microphones