A40B锺谒萋椎酗Thefollowingtableshowsthe1-yearabsoluteaccuracyspecificationstatedatk=2,approximately95%confidenceforthecalibratedvalue.Thespecificationsinclude1-yearstability,temperatureeffectsoverTCal±1°C,andthemeasurementuncertaintyofthecalibratedvalue.ShuntNominalCurrent:Specification±μA/A,TCal±1°C,≤50%RH1,2,3,5DC1kHz100kHz1mA205515010mA20262620mA20262650mA202323100mA202424200mA202626500mA2127281A2127312A2127485A21317110A26379220A264311350A3255144100A35651741Themeasuredcurrentisdeterminedfrom:I=(V/Rcalibrated)×(1+(AC-DCcalibrated/1,000,000));whereAC-DCcalibratedisexpressedinppm.2Above1kHzinterpolatethespecification(si)betweenfrequenciesfupperandflowerusing:si=slower+(fi–flower)×(supper–slower)÷(fupper–flower)3Add20μA/Aifrelativehumidityisoutsidespecificationlimits.41mAspecificationsapplywiththebatterychargerdisconnected.5Specificationsassumenoloadingeffectsduetothevoltage-sensingdevice.SeeOutputVoltageMeasurement–LoadingEffectsintheoperatinginformation.MaximumAC-DCDifferenceShuntNominalCurrent:MaximumAC-DCDifference(±ppm)1,21kHz100kHz1mA35315010mA204020mA183050mA1316100mA1427200mA1728500mA17211A17232A17445A236910A289820A3715050A47180100A603001Specificationsindicatethemaximumflatnessdeviationfromdc,andincludebothmeasuredAC-DCdifferenceandtheuncertaintyofmeasurement.Theyarestatedatk=2,approximately95%confidence.2Includes1-yearstabilityoftheAC-DCdifference.3Specificationsforthe1mAcurrentshuntareforTCal±1°C.GeneralSpecificationsDimensions(maximum)ShuntValue:1mAto2AHeight:70mm(2.75in)Width:70mm(2.75in)OverallLength1:124mm(4.9in)ShuntValue:5Ato20AHeight:130mm(5in)Width:130mm(5in)OverallLength1:210mm(8.25in))ShuntValue:50Aand100AHeight:200mm(7.9in)Width:200mm(7.9in)OverallLength1:343mm(13.5in))1Includesinputandoutputconnectors;subjecttochangebycomponentvendor.Physical/mechanicalparametersShuntValue:1mAto20AWeight:0.7kg(1.6lb)InputConnector:Type-N(female)OutputConnector:Type-N(female)ShuntValue:50Aand100AWeight:3.4kg(7.5lb)InputConnector:Type-LC(female)OutputConnector:Type-N(female)OperatingenvironmentTemperature:13°Cto33°CCalibrationtemperature(TCal)range:18°Cto28°CHumidityrangeforbestspecification1,2:≤50%RHAltitude:0mto3,000m1Resistancestabilityisaffectedbyhumidity,butchangesarereversible.2IftheshuntsarecalibratedoutsidethisRH,stabilityspecificationswillbemetaslongastheshuntsarestoredandusedatthesamerelativehumidity±10%RH.Storageandtransitenvironments(formodelsotherthanthe1mAcurrentshunt)Temperaturetoavoiddamage:-20°Cto140°CTemperatureandhumiditytomaintainperformance1:5°Cto45°C;15%to80%RHNon-operatingaltitude:0mto12,000m1Storageatextremesoftemperatureorhumiditywillcauseatemporarychangeofshuntresistancebyupto±20ppm.Whensubsequentlystoredorusedwithinthelimitsoftheoperatingenvironment,theshuntswillrecovertotheiroriginalresistancevaluewithin30days.Additional1mAcurrentshuntspecificationsOutputresistance8mзMaximumsafeoutputcurrent11mA(e.g.,1Voutputinto90з)Maximumcapacitiveload800pFOutputvoltageregulation15ppm/100pFMaximumoutputdcvoffset±100μV(typical±25μV)Typicalerror@1MHz<2%BatteryspecificationsBatterysizeAAA(44.5mmx10.5mm)BatterytechnologyNickel-MetalHydride(NiMH)Numberofbatteriesrequired8(in2groupsof4)Nominalbatteryvoltage1.2V(4.8Vpergroupof4)Typicalbatterycapacity800mAhStorageandtransitenvironmenttopreservethebatteriesLessthan90days:-20°Cto40°CLessthanoneyear:-20°Cto30°CChargingtime(fromfullydischarged):100minutes)