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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
2017/4/10 15:13:18tonesoft
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2017/4/9 22:27:48tonesoft
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2017/4/9 20:41:10tonesoft
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