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。

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2017/4/9 1:23:37tonesoft

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2017/4/9 0:21:28tonesoft

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2017/4/9 0:02:26tonesoft

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2017/4/9 0:00:31tonesoft

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2017/4/8 23:55:30tonesoft

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2017/4/8 23:55:14tonesoft

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2017/4/8 23:44:06tonesoft

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2017/4/8 23:37:01tonesoft

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2017/4/8 23:08:25tonesoft

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2017/4/8 22:06:28tonesoft

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2017/4/8 21:47:28tonesoft

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2017/4/8 21:18:54tonesoft

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2017/4/8 21:16:25tonesoft

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2017/4/8 21:10:08tonesoft

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2017/4/8 20:35:12tonesoft

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2017/4/8 19:43:40tonesoft

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