頻率范圍25Hz~10KHz頻率加權(quán)A、C加權(quán) F平坦特性時(shí)間加權(quán)Fast快,Slow慢顯示器背光LCD,點(diǎn)陣式160x160點(diǎn)噪音計(jì)模式數(shù)字顯示:4個(gè)位數(shù),更新周期0.5秒,分辨率0.1dB條形碼顯示:100dB范圍,更新周期0.125秒,分辨率0.1dB時(shí)間:年,月,日,時(shí),分,秒1/1-1/3頻率分析模式共5個(gè)檔位每檔間隔10dB,20-90dB/30-100dB/40-110dB/50-120dB/60-130dB1/1八音度1/3八音度帶通濾波器1/1八音度分析頻帶之中心頻率:(9個(gè)頻帶)31.5Hz,63Hz,125Hz,250Hz,500Hz,1KHz,2KHz,4KHz,and8KHz.1/3八音度分析頻帶之中心頻率:(27個(gè)頻帶)25Hz,31.5Hz,40Hz,50Hz,63Hz,80Hz,100Hz,125Hz,160Hz,200Hz,250Hz,315Hz,400Hz,500Hz,630Hz,800Hz,1KHz,1.25KHz,1.6KHz,2KHz,2.5KHz,3.15KHz,4KHz,5KHz,6.3KHz,8KHz10KHz.克風(fēng)延長線(選購)5米長(TL-F47/5M)and10米長(TL-F47/10M)