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本文分析了积分声级计与一般声级计的不同之处和积分声级计对噪声测量的重要性。以HY105型积分声级计为例分析了积分声级计的工作原理和设计要点。同时还介绍了计算机控制声级计实现短期Leq测量的方法和HY105型积分声级计的主要技术指标。
This article analyzes the difference between the integrated sound level meter and the general sound level meter and the importance of the integrated sound level meter to the noise measurement. Taking HY105 integral sound level meter as an example, the working principle and design key points of the integral sound level meter are analyzed. The method of short-term Leq measurement by computer controlled sound level meter and the main technical index of HY105 integrated sound level meter are also introduced.