放大图片自动失真计E-2001AAUTOMATICDISTORTIONMETER厂家：日本NF尺寸：212×126×248mm重量：3.6KgFundamentalfrequencyrange:20Hzto20KHzinthreecontinuousrangeswithfineadjustmentmechani***.measuringrange:0.1%to100%fullscale,7rangesinputlevelrange:100mVr.m.s.to100Vr.m.s.(at100%CAL)30mVr.m.sfinelyadjustableautomaticallyFundamentalharmonicrejectionratio:80dBandaboveHigherharmoniccharacteristic:secondarytoquinticharmoniccharacteristics:within&plu***n;1dBatabasicfrequencyof20Hzto10KHzwithin&plu***n;2dBatabasicfrequencyof10KHzto20KHzProvided,however,thatthehigherharmonicfrequencyshallbe60KHzandbelowandthedistortionfactor30%andbelow.residualdistortionfactor:Asshowninfigurebelow,includinghumandnoise.ACvoltagemeasurementMeasuringrange:100μVr.m.s.to10Vr.m.s.fullscalebutwhenaninputattenuator(ATT)iscombinedlyused.100μVr.m.s.to100Vr.m.s.fullscaleat0dBintheinputattenuator.3mVr.m.s.to3Vr.m.s.fullscaleat30dBintheinputattenuator.100mVr.m.s.to100Vr.m.s.fullscaleat60dBintheinputattenuator.7rangeswithpush-butt***usedineverycasementionedabove.accuracy:within&plu***n;3%(at400Hz)Frequencycharacteristics:within&plu***n;0.5dBat20Hzto20KHzwithin&plu***n;1dBat10Hzto200KHz400HzbasicResidualnoise:10μVr.m.sandbelow(4μVr.m.stypically)intermsofinput,withinputshort-circuitedfor100μVrange.Ratingscommonlyapplicableinputimpedance:Approx.100kilo-ohmsat70pFandbelowparallelcapacitanceTypeofinput:Unbalancedbindingpostoutput:Unbalancedbindingpost"X"output:Approx.1Vr.m.s(fundamentalharmoniccomponentsofinputsignal)indeterimingadistortionfactor(at100%calibration)"Y"output:Approx.0.5Vr.m.s(withmeteratfullscale)indeterminingavoltage(inputsignaloutput)andadistortionfactor(higherharmonicsignaloutput)outputimpedance:Aprox.2.2kilo-ohmsmetertypeofindication:meanvaluedetectedwithRMSvalueindicated(calibratedintermsofsine-w***esignal)classification:1.5classwithmirrorscale:0to3and0to10(voltageinpercentagescale)-16to+2dB(dBscale:0dB=0.775Vr.m.s))