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测量环境噪音(A加权):30至130 dB, 0.1 dB分辨率,精度±1.5 dB 测量机械噪音(C加权):35至130 dB, 0.1 dB分辨率,精度±1.5 dB 频率响应范围:31.5 Hz到8 kHz
2017/4/9 5:43:08tonesoft
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2017/4/9 5:36:56tonesoft
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2017/4/9 5:16:44tonesoft
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2017/4/9 5:08:17tonesoft
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2017/4/9 3:55:24tonesoft
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2017/4/9 3:45:17tonesoft
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2017/4/9 3:44:28tonesoft
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2017/4/9 2:49:43tonesoft
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2017/4/9 2:31:28tonesoft
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2017/4/9 1:52:02tonesoft
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2017/4/9 1:46:04tonesoft
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2017/4/9 0:45:12tonesoft
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2017/4/8 23:13:52tonesoft
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2017/4/8 23:04:13tonesoft
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2017/4/8 22:29:33tonesoft
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