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 5:16:51tonesoft

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2017/4/8 4:37:52tonesoft

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2017/4/3 16:55:01tonesoft

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2017/4/2 19:57:34tonesoft

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2017/4/2 19:53:22tonesoft

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2017/3/31 0:02:11tonesoft

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