评论信息_日本理音NL-27声级计/噪音计/分贝仪

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日本理音NL-27声级计/噪音计/分贝仪

1、符合计量法、JIS、IEC2、有107dB宽的线线范围，在30—130dB的噪音声级之内，无须进行范围切换即可测定。3、可测定噪音声级，等价噪音声级，噪音声级最大值，单发噪音暴露声级，峰值声压量程。

2017/4/8 14:34:25tonesoft

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2017/4/8 12:31:50tonesoft

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2017/4/8 12:13:30tonesoft

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2017/4/8 12:05:22tonesoft

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2017/4/8 11:23:10tonesoft

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2017/4/8 5:30:41tonesoft

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