IEC 60651:1979
IEC60804:2000
IEC/CDV61672-1Type 2Type 1测量功能Lp,Leq,Le,Lmax,Lmin,Ln瞬时测量Lpeak,Lcpeak,L A1 ,L aleq, Lceq,L ATm5测量时间10s,1m,5m,10m,15m,30m,1h,8h,24h,手动量程 (A,C计权)28~138dB频率范围20Hz~8kHz20Hz~12.5kHz测量范围141dB141dB麦克风类型UC-52UC-53A量程选择以 10dB为步长分6级线性范围100dB时间响应F,S,IF,S,I频率计权A,C,FLAT有效值检波数字处理采样时间 (RMS)30.3 μ s20.8 μ s内置参考信号有有