适用准:IEC 61672-1:2002 Class 2, ANI 1.4: 1983 Type 2
ANI 1.11: 2004 Type 2, IEC61260:1995 Class 2
ANI 1.43: 1997 Class 2
测量范:30dB to 130dB
测量功能:
Lp , Leq , LE , Lmax , Lmin
频率范:
12.5Hz ~ 20KHz
频率加权:
A 、C & Z 加权
适用准:IEC 61672-1:2002 Class 2, ANI 1.4: 1983 Type 2
ANI 1.11: 2004 Type 2, IEC61260:1995 Class 2
ANI 1.43: 1997 Class 2
测量范:30dB to 130dB
测量功能:
Lp , Leq , LE , Lmax , Lmin
频率范:
12.5Hz ~ 20KHz
频率加权:
A 、C & Z 加权