Extech Instruments MA3010 User manual

USERGUIDE


3000ATRUERMSACFlexibleClampMeters
ModelMA3010andMA3018
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Introduction
ThankyouforchoosingtheExtechACFlexibleClampmeterthatcanmeasuresupto3000AAC
rms.TheMA3018isthe18”(45.7cm)clampversionandtheMA3010isthe10”(25.4cm)clamp
version,otherwisebothmetersarethesame.ThesedevicesareprofessionalCATIV600VCATIII
1000VinstrumentsthatofferAutoPowerOFF,DataHold,andbacklightfeatures.Thismeteris
shippedfullytestedandcalibratedand,withproperuse,willprovideyearsofreliableservice.

Features
3000AACTrueRMSCurrentMeasurements
AutoRange
3000countlargescalebacklitLCDdisplay
ConvenientFlexibleClampwithlockingmechanism
7.5mm(0.3”)coildiameterformeasuringintightspaces
DataHold
AutoPowerOFF
BatterystatusiconandBatterystatuspoweronalert
Longlifebatterypower

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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.

WARNINGS

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.
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

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

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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1
2
3
4
5
6
Description
MeterDescription
1. FlexibleCurrentClamp
2. Power‐Holdbutton
3. BatteryCompartment
4. Backlightbutton
5. LCDdisplay
6. ClampLockmechanism



DisplayIcons
HOLDDataHold
AAmperes(Current)
‐ Minussymbol(negative)
FULLBatterystatusmessage(onpowerup)
Batterystatusicon
30003000countreadingdisplay

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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andholdthePowerbuttonfor>2secondstoswitchthedeviceONorOFF.
WhenthemeterswitchesONthedisplayshowsthebatterystatus(FULL,forexample).Thereis
alsoabatterystatusicondisplayedonthelowerrighthandcorneroftheLCD.
Lowbatteryindication
WhenthedisplayedbatteryiconappearsemptyorifthepowerONbatterystatusmessage
indicatesweakbatterypower,thebatteriesshouldbereplacedimmediately.Refertothe
batteryreplacementprocedureinthemaintenancesection.
AutomaticPowerOFF
ThemeterswitchesOFFautomaticallyaftera20minuteperiodofinactivity(±30seconds).To
disabletheAutoPowerOFFfeature:
WiththemeterpowerOFF,pressandholdthePowerbuttonfor>2seconds
Whenthedisplayshowsthebatterystatus(FULL,forexample),pressthebacklight
buttonuntilthedisplayshows‘AoFF’.
TheAPOfeatureisnowdisabledandthemeterwillnotshutoffautomatically.
Notethatthenexttimethemeterispoweredup,theAutoPowerOFFfunctionwillbe
re‐enabledandtheuserwillhavetorepeattheAutoPowerOFFdisableinstructionsto
disablethisfunctionwhendesired.
BacklitLCD
PressthebacklightbuttontoswitchtheLCDbacklightONorOFF.Notethatexcessiveuseofthe
backlightfeaturewillshortenbatterylife.
DataHold
PresstheHOLDbuttonwiththemeterONtofreezethedisplayedreading.TheHOLDiconwill
appearalongwiththeheldreading.PresstheHOLDbuttonagaintoreleasetheHOLDfeature.
TheHOLDiconwillswitchOFFandthemeterwillshowrealtimereadings.
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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.
CATUTION:DonotmovefingersabovetheLCDatanytimeduringatest.

1. SwitchthemeterOFFandswitchOFFpowertothedeviceundertest.
2. Turntheknurledclamplockmechanismcounter‐clockwisetoreleasetheflexibleclamp.
3. 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.
4. SwitchthemeterONandthenswitchpowertothedeviceundertestON.Nevermove
fingersabovetheLCDwhenrunningatest.
5. Readthecurrentvalueinthedisplay.Themeterwillautomaticallyselecttheappropriate
range.

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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.

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.
4. Re‐attachthebatterycompartmentcover.
5. Rotatethebatterycompartmentcovertothelockposition.

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OverloadReading(OL)ResolutionAccuracy
(45to500Hz)
ACCurrent

30.00AAC33.00AAC0.01A±(3.0%+5digits)
300.0AAC330.0AAC0.1A±(3.0%+5digits)
3000AAC3300AAC1A±(3.0%+5digits)
Notes:
Accuracyisgivenas±(%ofreading+leastsignificantcounts)at23C±5Cwithrelativehumidity
lowerthan80%.Accuracyisspecifiedforaperiodofoneyearaftercalibration.
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.
MA3010MA3010Error*MA3018MA3018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.
LCDdisplays‘0’countswhenthereadingis<10counts.
ACAspecificationsareACCoupled,TrueRMS.
Fornon‐sinusoidalwaveforms,additionalaccuracyCrestFactor(C.F.)considerationsexistas
detailedbelow:
Add3.0%forC.F.1.0~2.0
Add5.0%forC.F.2.0~2.5
Add7.0%forC.F.2.5~3.0

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GENERALSPECIFICATIONS
ClampJawFlexibletypewithlockingmechanismand7.5mm(0.3”)coil
diameter
Display3000countLCDwithbacklightandmulti‐functionindicators
LowBatteryindicationBatterysymbolisdisplayedandtextalertisshownuponpowerup
Over‐rangeindication‘OL’display
Measurementconversionrate4timespersecond
ACbandwidth45to500Hz(sinewave)
ACresponseTrueRMS
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200hourswithalkalinebatteries
AutopowerOFFAfterapprox.20minutesofinactivity
Dimensions(WxHxD)MA3010:120x280x25mm(4.7x11.0x1.0”)
MA3018:130x350x25mm(5.1x13.8x1.0”)
WeightMA3010:170g(6.0oz.)/MA3018:200g(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hardwoodorconcreteflooring
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