型號(hào)6161A61B61C符合標(biāo)準(zhǔn)GB/T37851型IEC61672-2002 Class1傳聲器類型(極化電壓) 12.7mm自由場(chǎng),(0V) 12.7mm自由場(chǎng),(0V) 12.7mm自由場(chǎng),(0V) 12.7mm自由場(chǎng),(28V)傳聲器靈敏度40mV/Pa50mV/Pa50mV/Pa5mV/Pa頻率范圍(Hz)20~1600010~2000016~1600016~16000動(dòng)態(tài)范圍27~140dBA38~140dB25~140dBA35~140dB20~135dBA30~135dB50~160dBA65~160dB頻率計(jì)權(quán)A計(jì)權(quán)和L(線性)計(jì)權(quán)時(shí)間計(jì)權(quán)F(快)、S(慢)、I(脈沖)、Peak(峰值,需計(jì)算機(jī)配合)檢波器特性真有效值、峰值因數(shù) 10顯示器3位半LCD,有欠壓指示、下限指示、過(guò)載指示測(cè)量方式Lp,Lmax濾波器可外接5721型倍頻程濾波器或5722型分?jǐn)?shù)倍頻程濾波器輸出AC、RS232C至計(jì)算機(jī)電源4 R6或外接5V~9V電源外形尺寸220 72 32(mm)特點(diǎn)基本型高性能低聲級(jí)測(cè)量高聲級(jí)測(cè)量