傳聲器 12.7mm(1/2靈敏度約30mV/Pa,頻率范圍20Hz~12.5kHz測量范圍35~130dB(A)(以2 10-5Pa為參考,下同),40~130dB(C),45~130dB(L)頻率范圍31.5Hz~8kHz頻率計權(quán)A,C,L(線性)計權(quán)時間計權(quán)快(F)、慢(S)檢波特性真有效值、峰值因數(shù)3儀器類型2型量程控制自動轉(zhuǎn)換或手動手動量程量程高,范圍70~130dB;量程低,范圍35~95dB(A),40~95dB(C),45~95dB(L)采樣時間間隔0.01s,0.02s,0.05s,0.1s,0.2s,0.5s,1s,2s,5s,10s可設(shè)定測量時間10s,1min,5min,10min,15min,20min,1h,2h,4h,8h,24h可設(shè)定顯示120 32點陣式液晶片,有背光儲存495組數(shù)據(jù),帶分布圖濾波器外接AWA5721或AWA5722濾波器可以進(jìn)行倍頻程或1/3倍頻程頻譜分析,并顯示或打印頻譜分布圖輸出RS232C,AC校準(zhǔn):內(nèi)部電校準(zhǔn)1kHz正弦波校準(zhǔn)到94dB外部聲校準(zhǔn)使用聲級校準(zhǔn)器,校準(zhǔn)到93.8dB