功能描述 Display9digitlargegreenLEDdisplay(Overflow,gatetime,mHz,Hz,kHz,MHz,ns, s,s,hold)Range0.1Hz～1.5GHzGatetime0.01s,0.1s,1s,10sResolution1nH～10HzAccuracy【resolution【timebase【1TerminalA,CSensitivity20mVrmsA,Binput/30mVrmsCinputImpedance1Mз 40pFA,Binput/50зCinputMax.voltage250VrmsA,Binput/3VrmsCinputAttenuatorX1,X10A,BinputSlopeA,B+or selectableTriggerApresetorvariableLowpassfilter100kHz(-3dB)A,BinputPeriod10ms～10srangewith1ps～1nsresolution/【resolution【triggererror【1accuracyTotalize5Hz～30MHzrange/0～999999999(Max)RPM6～900X106RPMInternaltimebase10MHzTCOfrequency,3X10-7/month,under5X10-6(0+50 )；temperaturestability,under1X10-7for10%variationlinevoltageFrequencyoutput10MHzfrequency/2.5Vp-pamplitude/500зimpedanceExternalinput10MHzfrequency/20mVrms～5Vrmsinputlevel/500зimpedanceOperatingenvironments0 ～50 Rangeforguaranteed25 【5 PowerrequirementAC115/230V【10%,50/60HzAcessoriespowercord,fuse,operationmanual,BNCcableFactoryoptionalselRS-232Cinterface/TCXO