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。

2017/4/12 9:26:48tonesoft

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2017/4/12 6:18:11tonesoft

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2017/4/12 5:34:39tonesoft

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2017/4/12 5:33:28tonesoft

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2017/4/12 5:03:49tonesoft

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2017/4/12 4:54:43tonesoft

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2017/4/12 4:50:18tonesoft

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2017/4/12 4:20:09tonesoft

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2017/4/12 4:18:13tonesoft

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