NA-28,NA28,声音频谱分析仪,声级计-[Rion]日本理音CompanyRIONRIONCountryJapanJapanProductNA-28NA-27MajorapplicablespecificationsJUSC1509-1Class1IEC61672-1Class1ANSIS1.4,S1.43JISC1509-1Class1IEC61672-1Class1FilterspecificationsIEC61260,ANSIS1,11Class1IEC61260Class1WindscreencorrectionPossible-MeasurementitemsLpLeq/LE/Lmax/Lmin/LN/Lpeak/Ltm5LpLeq/LE/Lmax/Lmin/LN/Lpeak/Ltm3/Ltm5/dualmeasurementMeasurementrange(A-characteristics)25dB~130dB28dB~130dBMaximumpeaksoundlevelmeasurement143dB143dBLinearoperatingrange All-pass(A-characteristics)110dB72dBSpectrum95dB77dBTimeweightingF/S/10ms/IF/S/35ms/10ms/IAnalysisfreguencyrange1/3oct:12.5Hz~20kHz1/1oct:16Hz~16kHz1/3oct:12.5Hz~12.5kHz1/1oct:16Hz~8kHz1/1and1/3octavesreal-timeanalysisPossible(~12.5kHz)-Backerasefunction5s3~5sStrageInfernalmemory/CfcardInfernalmemoryRecallprocessing-(*1)PossibleAnalogoutputAC/DCAC/DCComparatoroutputPossible-ExternalTriggerinputPossiblePossibleDisplayColorsemirtranspurentTFT-LCDmonochromeOtherI/OterminalsUSB/CF/InfraredremotecontrolRS-232C/InfraredremotecontrolPowerrequirement16hours(LR14:4Alkalinebatteries)8hours(LR14:4Alkalinebatteries)Dimensions331mm*89mm*51mm358mm*100mm*50mmWeight730g(includingBatteries)800g*Thepartsmarkedinredaretheupgradeditemscomparedwithconventionalmodels.*ReverberationtimeisdealtwithinOptionProgram.