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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
2017/4/8 22:24:52tonesoft
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2017/4/8 22:17:01tonesoft
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2017/4/8 21:36:39tonesoft
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2017/4/8 21:21:15tonesoft
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2017/4/8 21:13:55tonesoft
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