Extech Instruments CA3018 User manual

USERGUIDE
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3000AACFlexibleClampAdaptors
ModelsCA3010andCA3018
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Introduction
ThankyouforchoosingtheExtechACFlexibleClampAdaptorthatcanmeasureupto3000AAC.
AstandardDigitalMultiMeter(DMM)inmVACmodecanbeusedtodisplaythecurrent
measurementwhentheCAseriesAdaptorisconnectedtotheDMM.
TheCA3018isthe18”(45.7cm)clampversionandtheCA3010isthe10”(25.4cm)clampversion,
otherwisebothmetersarethesame.ThesedevicesareprofessionalCATIV600VCATIII1000V
instruments.Thismeterisshippedfullytestedandcalibratedand,withproperuse,willprovide
yearsofreliableservice.
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Features
3000AACCurrentMeasurementsdisplayedonconnectedDMM
ConvenientFlexibleClampwithlockingmechanism
7.5mm(0.3”)coildiameterformeasuringintightspaces
Suppliedbananaplugcables
Powerbutton
BatterystatusLEDindicator
CurrentACRangeselectswitch30A,300A,3000A
Batterypowered
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SafetyInformation
Toensurethesafeoperationandserviceofthemeter,followtheseinstructionsclosely.Failureto
observewarningscanresultinsevereinjury.
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WARNINGS
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WARNINGSidentifyhazardousconditionsandactionsthatcouldcauseBODILYHARMorDEATH.
IndividualprotectiveequipmentshouldbeusedifHAZARDOUSLIVEpartsintheinstallation
wheremeasurementsaretobecarriedoutcouldbeaccessible.
Iftheequipmentisusedinamannernotspecifiedbythemanufacturer,theprotection
providedbytheequipmentmaybeimpaired.
Alwaysuseproperterminals,switchposition,andrangeformeasurements.
Toreducetheriskoffireorelectricshock,donotexposethisproducttorainormoisture.
Verifythemeteroperationbymeasuringaknowncurrent.Ifindoubt,havethemeter
serviced.
Donotapplymorethantheratedvoltage/currentasmarkedonthemeter.
Toavoidfalsereadingsthatcanleadtoelectricshockandinjury,replacebatteryassoonas
thelowbatteryindicatorappears.
Donotusethemeterinoraroundexplosivegasorvapor.
Donotuseaflexiblecurrentsensoriftheinnercopperwireoftheflexiblecordisvisible.
De‐energizetheinstallationundertestorwearsuitableprotectiveclothingwhenplacingor
removingtheflexiblecurrentprobefromatestsetup.
Donotapply/removetheflexiblecurrentprobeto/fromUNINSULATEDHAZARDOUSLIVE
conductorswhichmaycauseelectricshock,electricburn,orarcflash.

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CAUTIONS
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CAUTIONSidentifyconditionsandactionsthatcouldcauseDAMAGEtothemeterorequipment
undertest.Donotexposethemetertoextremesintemperatureorhighhumidity.
SafetySymbolsthataretypicallymarkedonmetersandinstructions
Thissymbol,adjacenttoanothersymbol,indicatestheusermustrefertothe
manualforfurtherinformation.
DonotapplyorremoveclampfromHAZARDOUSLIVEconductors
Equipmentprotectedbydoubleorreinforcedinsulation
Batterysymbol
ConformstoEUdirectives
Donotdiscardthisproductinhouseholdtrash.
ACmeasurement
Earthground
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PERIEC1010OVERVOLTAGEINSTALLATIONCATEGORY
OVERVOLTAGECATEGORYI
EquipmentofOVERVOLTAGECATEGORYIisequipmentforconnectiontocircuitsinwhich
measuresaretakentolimitthetransientover‐voltagestoanappropriatelowlevel.
Note–Examplesincludeprotectedelectroniccircuits.
OVERVOLTAGECATEGORYII
EquipmentofOVERVOLTAGECATEGORYIIisenergy‐consumingequipmenttobesuppliedfrom
thefixedinstallation.
Note–Examplesincludehousehold,office,andlaboratoryappliances.
OVERVOLTAGECATEGORYIII
EquipmentofOVERVOLTAGECATEGORYIIIisequipmentinfixedinstallations.
Note–Examplesincludeswitchesinthefixedinstallationandsomeequipmentforindustrialuse
withpermanentconnectiontothefixedinstallation.
OVERVOLTAGECATEGORYIV
EquipmentofOVERVOLTAGECATEGORYIVisforuseattheoriginoftheinstallation.
Note–Examplesincludeelectricitymetersandprimaryover‐currentprotectionequipment

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Description
MeterDescription
1. FlexibleCurrentClamp
2. Rangeselector
3. Powerbutton
4. BananaPlugcable
5. BatteryCompartment
6. Batterystatusindicator
7. ClampLockmechanism
8. TestLeadBananaPlugs
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Operation
NOTES:ReadandunderstandallWarningandCautionstatementsinthisoperationmanual
priortousingthismeter.
MeterPower
Themeterispoweredbytwo(2)AAA1.5Vbatteries(locatedincompartmentonbottomofmeter
handle).PressthePowerbuttonmomentarilytoswitchthedeviceONorOFF.
Batterystatusindication
Thebatterystatusindicatorblinksslowlywhenthebatteryisfresh(>2.5V).Theindicatorblinks
quicklywhenthebatteryisweakening(<2.5V)andrequireschanging.RefertotheMaintenance
sectionfordetailsonbatteryreplacement.

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ACCurrentMeasurements
WARNING:EnsurethatpowertothedeviceundertestisOFFbeforestartingthisprocedure.
SwitchpowertothedeviceundertestONonlyaftertheclamphasbeensafelyattachedtothe
deviceundertest.
CAUTION:DonotmovefingersabovetheLCDatanytimeduringatest.
1. SwitchOFFtheClampAdaptor,theDMM,andthedeviceundertest.
2. ConnecttheClampAdaptortotheDMMbananajacksusingthesuppliedbananaplugs.
3. SwitchONtheDMMandsettheDMMtotheACVmode.
4. SettheRangeSelectswitchontheClampAdaptortotheexpectedcurrentrange
measurement.
5. TurntheknurledclamplockmechanismontheClampAdaptorcounter‐clockwisetorelease
theflexibleclamp.
6. Fullyencloseonlyoneconductorofthedeviceundertestwiththeflexibleclampprobe(see
accompanyingdiagrams).Donotattempttomeasurecurrenthigherthanthespecified
currentlimit.
7. SwitchtheClampAdaptorON(pressPowerbutton)andthenswitchthedeviceundertest
ON.NevermovefingersabovetheLCDwhenrunningatest.
8. ReadthecurrentvalueintheDMMdisplay.
9. RemovepowertothedeviceundertestbeforeremovingtheFlexibleClampconnectionand
disconnectingtheapplicationsetup.
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RangeSelectionGuide
Forthebestresults,withregardtooutputsignal,selectthecorrectrangeaccordingtoexpected
currentmeasurement.SeeTablebelow.
RangeSelectSwitchBestPerformance
30A(100mV/1A)30.00Amax.
300A(10mv/1A)30.0to300.0A
3000A(1mV/1A)300.0to3000A

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Maintenance
WARNING:Toavoidelectricalshock,disconnectthemeterfromanycircuitandturnOFFthe
meterbeforeopeningthecase.Donotoperatethemeterwithanopencase.
CleaningandStorage
Periodicallywipethecasewithadampclothandmilddetergent;donotuseabrasivesor
solvents.Ifthemeterisnottobeusedfor60daysormore,removethebatteriesandstorethem
separately.
BatteryReplacement
CAUTION:RemovethemeterfromtheconductorundertestandswitchthemeterOFF
beforeopeningthebatterycompartment.
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1. Withaflatbladescrewdriverorcoin,rotatethebatterycompartmentcovertotheunlock
position.
2. Removethebatterycompartmentcover.
3. Replacethe2‘AAA’1.5Vbatteriesobservingcorrectpolarity.Positivesideofbothbatteries
insertfirst.
4. Re‐attachthebatterycompartmentcover.
5. Rotatethebatterycompartmentcovertothelockposition.
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You,astheenduser,arelegallybound(EUBatteryordinance)toreturnallused
batteries,disposalinthehouseholdgarbageisprohibited!Youcanhandover
yourusedbatteries/accumulatorsatcollectionpointsinyourcommunityor
whereverbatteriesaccumulatorsaresold!
Disposal:Followthevalidlegalstipulationsinrespectofthedisposalofthedevice
attheendofitslifecycle
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Specifications
FunctionRangeOutputVoltageAccuracy
ACCurrent
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30.00AAC100mV/1AAC
±(3.0%ofFullScale)
forfrequencyrange:45~500Hz
300.0AAC10mV/1AAC
3000AAC1mV/1AAC
Notes:
Accuracyisgivenas±(%ofreading+leastsignificantcounts)at23C±5Cwithrelativehumidity
lowerthan80%.Accuracyisspecifiedforaperiodofoneyearaftercalibration.
Max.OutputVoltage:4.5Vpeak
OutputNoise:<5mVforeachrange
PositionErrorofClamp:Accuracyandpositionerrorassumescentralizedprimaryconductorat
optimumposition,noexternalelectricalormagneticfield,andwithinoperatingtemperature
range.
CA3010 CA3010Error*CA3018CA3018Error*
Distancefrom
optimumposition
15mm(0.6”)+2.0%35mm(1.4”)+1.0%
25mm(1.0”)+2.5%50mm(2.0”)+1.5%
35mm(1.4”)+3.0%60mm(2.4”)+2.0%
*AddthiserrortotheACCurrentaccuracyspecificationlistedearlierinthissection.
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GENERALSPECIFICATIONS

ClampJawFlexibletypewithlockingmechanismand7.5mm(0.3”)coil
diameter
BatterystatusindicationLEDindicatorblinksslowly(batterypower>2.5V)orquickly
(batterypower<2.5V)
ACbandwidth45to500Hz(sinewave)
OperatingTemperatureandHumidity
0~30C(32~86F);80%RHmaximum
30~40C(86~104F);75%RHmaximum
40~50C(104~122F);45%RHmaximum
StorageTemperatureandHumidity
‐20~60C(‐4~140F);80%RHmaximum
TemperatureCoefficient0.2xspecifiedaccuracy/C,<18C(64.5F),>28C(82.4F)
AltitudeMaximumoperatingaltitude2000m(6562’)
BatteryTwo“AAA”1.5Vbatteries
Batterylife160hourswithalkalinebatteries
Dimensions(WxHxD)CA3010:120x280x25mm(4.7x11.0x1.0”)
CA3018:130x350x25mm(5.1x13.8x1.0”)
WeightCA3010:170g(6.0oz.)
CA3018:200g(7.1oz.)
SafetyStandardsForindooruseandinaccordancewiththerequirementsfordouble
insulationtoEN61010‐1,EN61010‐2‐032,EN61326‐1;CATIV600V,
CATIII1000V,PollutionDegree2
ShockVibrationSinusoidalvibrationMIL‐PRF‐28800F(5‐55Hz,3gmax.)
DropProtection1.2m(4’)dropontohardwoodorconcretefloor
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