國(guó)際規(guī)范:IECPub651Type2,ANSIS1.4Type2頻率范圍:20Hz-8KHzA加權(quán):30dB-130dBC加權(quán):30dB-130dB檔位:6檔位,間隔10-dB30-80dB/40-90dB/50-100dB/60-110dB/70-120dB/80-130dB自動(dòng)換檔:30-130dB時(shí)間加權(quán):FastandSlow動(dòng)態(tài)范圍:60dB數(shù)字顯示:4位數(shù)LCD(0.1dB分辨率)Quasi-analogbarindicator:1dBdisplaysteps,50dBdisplayrange,updatedevery50ms.過(guò)載指示:每個(gè)范圍之上限最低指示:每個(gè)范圍之下限麥克風(fēng):1/2inch電容式麥克風(fēng)模擬AC/DC輸出:0.707Vrms(atfullscale),10mVDC/dB.記錄(Datalogging):可記錄4048筆數(shù)據(jù)操作及儲(chǔ)存溫濕度:0-50℃,10-90%RH電源:one9Vbattery尺寸及重量:265(L)x72(W)x21(H)mm 325g附件:使用說(shuō)明書,電池,RS-232Connectingcable攜帶盒,調(diào)整起子,軟件,風(fēng)罩,9Pinto25Pin轉(zhuǎn)換頭changer,3.5fplug 。