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INSTRUCTIONMANUAL

KEW MATE 2000A/2001A

DIGITAL MULTIMETER

WITH

AC/DC CLAMP SENSOR

KYORITSU ELECTRICAL INSTRUMENTS

WORKS, LTD.

１．SAFETY WARNINGS

ThisinstrumenthasbeendesignedandtestedaccordingtoIECPublication61010:

Safety Requirementsfor ElectronicMeasuring Apparatus. This instructionmanual

containswarnings andsafety rules whichmust beobserved bythe userto ensure

safeoperation ofthe instrumentand toretain itinsafe condition. Therefore,read

throughtheseoperatinginstructionsbeforestartingusingtheinstrument.



WARNING

●

Read throughand understandinstructions containedin thismanualbefore

startingusingtheinstrument.

●

Saveandkeepthemanualhandytoenablequickreferencewhenevernecessary.

●

Be sureto usethe instrumentonly inits intendedapplications andto follow

measurementproceduresdescribedinthemanual.

●

Besuretounderstandandfollowallsafetyinstructionscontainedinthemanual.

Theinstrumentistobeusedonlyinitsintendedapplications.

Understandandfollowallthesafetyinstructionscontainedinthemanual.

Failure tofollow theinstructions maycause injury,instrumentdamage and/or

damage toequipment undertest. Kyoritsuis byno meansliable forany damage

resultingfromtheinstrumentincontradictiontothiscautionarynote.

Failure tofollow theabove instructionsmay causeinjury, damage tothe instrument

and/ordamagetoequipmentundertest.

The symbol indicated on the instrument means that the usermust refer to related

partsofthemanualforsafeoperationof theinstrument.Besureto carefullyreadthe

instructionsfollowingeach symbolinthismanual.

DANGER



isreservedforconditionsandactionsthatarelikelytocauseseriousorfatalinjury.

WARNING



isreservedforconditionsandactionsthatcancauseseriousorfatalinjury.

CAUTION



isreservedforconditionsandactionsthatcancauseminorinjuryorinstrumentdamage.

Following symbols are used on theinstrument and in the instruction manual. Attention

shouldbepaidtoeachsymboltoensureyoursafety.

Refertotheinstructionsinthemanual.

Thissymbolismarkedwheretheusermustrefertotheinstructionmanualsoasnot

tocausepersonalinjuryorinstrumentdamage.

Indicatesaninstrumentwithdoubleorreinforcedinsulation.

Indicatesthatthisinstrumentcanclamponbareconductorswhenmeasuring

avoltagecorrespondingtotheapplicableMeasurementcategory,whichismarked

nexttothissymbol

．

IndicatesAC(AlternatingCurrent)

．

IndicatesDC(DirectCurrent).

IndicatesACandDC.

DANGER

●

Never makemeasurement oncircuits witha maximumvoltage differenceof

600VAC/DC orgreater betweenconductors (300VAC/DCor greaterbetween a

conductorandground).

●

Donot attemptto makemeasurement inthe presenceof flammablegasses.

Otherwise, theuse ofthe instrumentmay causesparking, whichleads toan

explosion.

●

Neverattempttousetheinstrumentifitssurfaceoryourhandiswet.

●

Donotexceedthemaximumallowableinputofmeasuringranges.

●

Neveropenthebatterycompartmentcoverwhilemakingmeasurement.

●

Never tryto makemeasurement ifany abnormalconditions, suchas broken

Transformerjawsorcaseisnoted.

●

Theinstrument isto beused onlyin itsintended applicationsor conditions.

Otherwise, safetyfunctions equippedwiththe instrumentdoesn



t work,and

instrumentdamageorseriouspersonalinjurymaybecaused.

WARNING

●

Never attemptto make any measurement,if any abnormalconditions are noted,

suchasbrokencase,crackedtestleadsandexposedmetalparts.

●

DonotturntheFunctionSelectorSwitch whilethetestleadsareconnectedto the

circuitundertest.

●

Do notinstall substitute parts ormake any modificationto the instrument. Return

theinstrumenttoKyoritsuoryourdistributorforrepairorre-calibration.

●

Donottrytoreplacethebatteriesifthesurfaceoftheinstrumentiswet.

●

Always disconnectthe clampsensor andthe testleads from thecircuit undertest

and switchoff the instrument beforeopening the batterycompartment cover for

batteryreplacement.

●

Stopusingthetestleadiftheouterjacket isdamagedandtheinnermetalorcolor

jacketisexposed.

CAUTION

●

MakesurethattheFunctionSelectorSwitchissettoanappropriatepositionbefore

makingmeasurement.

●

Always make sureto place the testleads in thetest lead holder before making

currentmeasurement.

●

Donotexposetheinstrumenttothedirectsun,extremetemperaturesordewfall.

●

Besure toset theFunctionSelector Switchtothe "OFF"position afteruse.When

the instrument will not be usedfor a long period of time, place it in storage after

removingthebatteries.

●

Useadampcloth anddetergentforcleaning theinstrument.Do notuseabrasives

orsolvents.

●

Keepyourfingersandhandsbehindtheprotectivefingerguardduringmeasurement.

Measurement Category:

Toensure safeoperation ofmeasuring instruments, IEC61010establishes safety

standardsforvariouselectricalenvironments,categorizedasOtoCATIV,andcalled

measurement categories. Higher-numbered categories correspond to electrical

environments withgreater momentary energy,so ameasuring instrument designed

for CAT III environments can endure greater momentary energythan one designed

forCATII.

O :Circuitswhicharenotdirectlyconnectedtothemainspowersupply.

CATII:Electricalcircuits ofequipmentconnected toanACelectrical outlet bya

powercord.

CATIII:Primaryelectricalcircuitsof the equipmentconnected directlytothe

distributionpanel,andfeedersfromthedistributionpaneltooutlets.

CATIV :Thecircuitfromtheservicedroptotheserviceentrance,andtothepower

meterandprimaryover-currentprotectiondevice(distributionpanel).

２．FEATURES

●

Permits AC/DCcurrent measurement upto 60A using aclamp sensor thatcomes

standardwiththeinstrument

●

Clampsensorforeaseofuseincrowdedcableareasandothertightplaces

●

Permitscurrentmeasurementwithanopencurrent-clampsensorthatdoesnotrequire

openingandclosingoperationsbytheuser

●

Auto-power-savefunction

●

Buzzerforeasycontinuitychecking

●

Dataholdfunctiontofreezethereadings

●

LCDwitha3400countfullscalebargraph

●

Shockabsorbingholsterforeaseofstorage

●

Designedto international safety standardIEC61010-1: measurement category

CAT

Ⅲ

,300Vandpollutiondegree2.

O: Device which is

not directly

connected to the

mains power supply

３．SPECIFICATIONS

●

MeasuringRangesandAccuracy(at23

℃±

5

℃

,relativehumidity75%orless)

※

Electromagnetic

 

RFfield

≦

1V/m

 compatibility

  



ACV/DCV/OHMS/FREQUENCYtotalaccuracy=specifiedaccuracy

 (IEC61000-4-3)

ACA/DCA



 totalaccuracy=specifiedaccuracy+5dgt



 

RF transmitters such as mobile telephones may not be used in close

proximity.

●

SafetyStandard IEC61010-1

 measurementCAT

Ⅲ

,300V,pollutiondegree2

 measurementCAT

Ⅱ

,600V,pollutiondegree2

 IEC61010-031

 IEC61010-2-032,IEC61010-2-033

 IEC61326-1(EMC),EN50581(RoHS)

●

OperatingSystem Dualintegration

●

DisplayLiquid crystal displaywith maximum reading of 3399as

wellasunitsandannunciators

 Bargraphwithmaximumpointsof33

●

OverInputIndication "OL"ontheLCD(

Ω

rangesonly)

●

Auto-rangingOperationShifts tothe nexthigher range whenbar graphincreases

to33points

Shifts tothe next lowerrange when bargraph decreases

to3points

●

SampleRateNumericreading:about400ms,

 bargraph:about20ms

MODEL

2000A

2001A

Range

60A

100A

ACCurrent

 

A

 



DCCurrent

 

A

ACVoltage

 

V

 

Inputimpedance:10M

Ω

DCVoltage

 

VInputimpedance:10M

Ω

MeasuringRange

0-60.0A

0-100.0A

Accuracy



±

2.0%rdg

±

5dgt(50/60Hz)



±

2.0%rdg

±

5dgt(50/60Hz)

MODEL

2000A

2001A

Range

60A

100A

MeasuringRange

0-

±

60.0A

0-

±

100.0A

Accuracy

±

2.0

％

rdg

±

5dgt

±

2.0

％

rdg

±

5dgt

Range

3.4V

34V

340V

600V

MeasuringRange

0-600V

(Auto-ranging)

Accuracy

±

1.5%rdg

±

5dgt(50-400Hz)

Range

340mV

3.4V

34V

340V

600V

MeasuringRange

0-

±

600V

(Auto-ranging)

Accuracy

±

1.5%rdg

±

4dgt

Resistance

Ω／



Range

340

Ω

3.4k

Ω

34k

Ω

340k

Ω

3.4M

Ω

34M

Ω

MeasuringRange

0-33.99M

Ω

(Auto-ranging)

Accuracy

±

1.0%rdg

±

3dgt

Buzzerbeepsbelow30

±

10

Ω

（

Continuitybuzzerworkson340

Ω

range

only

）

±

5%rdg

±

5dgt

±

15%rdg

±

5dgt

Frequency

 

Hz

Range

Current

Voltage

MeasuringRange

0-3.399kHz

3.4kHz-10kHz

(Auto-ranging)

0-3.399kHz

3.4kHz-33.99kHz

34kHz-300kHz

(Auto-ranging)

Accuracy

±

0.1%rdg

±

1dgt

±

0.1%rdg

±

1dgt

●

Locationforuse Indooruse,Altitudeupto2000m

●

Accuracy-insured 23

℃±

5

℃

,relativehumidity75%orless

 

Temperatureand (withoutcondensation)

 

HumidityRanges

●

OperatingTemperature 0-40

℃

,relativehumidity85%orless

 

andHumidityRange (withoutcondensation)

●

StorageTemperature -20-60

℃

,relativehumidity85%orless

 

andHumidityRange (withoutcondensation)

●

Source Two1.5VDCR03(UM-4)batteries

●

CurrentConsumption Approx.10mA

●

Power-saveFunctionShifts tothepower-save stateabout 10minutesafter the

lastswitchoperation

 (currentconsumption:approx.10

μ

A)

●

OverloadProtectionAC/DCcurrentranges:MODEL2000A AC/DC 72A for

10seconds

 

AC/DCcurrentranges:MODEL2001A AC/DC

120

A for

10seconds

 

 AC/DCvoltageranges:AC/DC720Vfor10seconds

 Resistanceranges:AC/DC720Vfor10seconds

 Frequencyranges:AC/DC720Vfor10seconds

●

WithstandVoltageAC3470V for5 sec.between electrical circuitand

housingcase

●

InsulationResistance 10M

Ω

orgreaterat1000Vbetweenelectricalcircuitand

housingcase

●

ConductorSize MODEL2000AApprox.

 

6mmdiametermax.

 

 MODEL2001AApprox.10mmdiametermax.

●

Dimensions MODEL2000A128(L)

×

87(W)

×

24(D)mm

 

 MODEL2001A128(L)

×

92(W)

×

27(D)mm

●

Weight MODEL2000AApprox.210g

 

 MODEL2001AApprox.220g

●

Accessories TwoR03(UM-4)batteries

 InstructionManual

４．INSTRUMENT LAYOUT

Data Hold Button

MODEL2001 MODEL2000

Range Hold Button

Digital Multimeter

Function Selector Switch

Holster

Test Lead

LCD Display

AC/DC Clamp Sensor

BarrierProtective fingerguard

DCA

Zero Adjust

Knob

５．PREPARATIONS FOR MEASUREMENT

（

1

）

Checkingbatteryvoltage

SettheFunctionSelectorSwitchtoanypositionotherthantheOFFposition.

Ifthemarksonthe displayisclearlylegiblewithout symbol

"BATT"

showing,battery

voltage isOK. If the displayblanks or

"BATT"

 isindicated, replace the batteries

accordingtosection

8: Battery Replacement

.

NOTE

Whentheinstrumentisleftpoweredon,theauto-power-savefunctionautomatically

shutthepoweroff;ThedisplayblankseveniftheFunctionSelectorSwitchissetto

a position otherthan the OFF position in thisstate.  To power on theinstrument,

turntheFunctionSelectorSwitchorpresstheDataHoldButton.Ifthedisplaystill

blanks,thebatteriesareexhausted.Replacethebatteries.

（

2

）

MakesurethattheFunctionSelectorSwitchissettotheappropriaterange.



Also makesure that data holdfunction is notenabled.  Ifinappropriate range is

selected,desiredmeasurementcannotbemade.

（

3

）

InstallTestLeadtotheHolsteronthesideofbody



Itis possibleto measurewithseeing theLCD Displaykeep

TestLeadinstallingtotheHolster.

AC／DC

Battery Voltage Warning

Auto Range

Data Hold

Unit

Bar Graph

Buzzer

Manual

Range

Wind the lead around the folder.

Test Leads

AC/DC Clamp Sensor

６．HOW TO MAKE MEASUREMENT

6-1 Current

Measurement

DANGER

●

Inordertoavoidpossibleshockhazard,nevermakemeasurementoncircuitswitha

maximum voltagedifference of 600VAC/DC orgreater between conductors

(300VAC/DCorgreaterbetweenaconductorandground).

●

Do notmake measurementwith thetest leadsconnected to thecircuit undertest.

Nevermakemeasurementwiththebatterycompartmentcoverremoved.

●

Keepyourfingersandhandsbehindthebarrierduringmeasurement.

 CAUTION

●

Whenhandlingtheclampsensor,exercisecautionnottoapplyexcessiveshocksor

vibrationtothesensor.

●



M

aximum measurableconductor size is MODEL2000A6mm / MODEL2001A

10mmindiameter.

 

6-1-1DCCurrentMeasurement

(1)TheFunctionSelectorSwithtothe"

 

A"position.

 

("DC"and"AUTO"marksareshownonthetopofthedisplay.)

(2)Turnthe0(Zero)ADJknobtosetthereadingofthemultimetertozero.(Ifthiszero

adjustmentismadeincorrectly,measurementerrorswillresult.)

(3)Adjustoneoftheconductorstothecenteroftheclampsensor'sarrow.

 

( Whenthe position of theconductor is notat the centerof the arrow, theerror

occurs.)

Measuredvalueisshownonthedisplay.

Note:Whencurrentflowsfromtheupsidetotheundersideoftheinstrument,thepolarity

ofthereadingispositive(+).Otherwise,thepolarityofthereadingisnegative(-).

 

6-1-2ACCurrentMeasurement

(1)SettheFunctionSelectorSwitchto"

 

A."

 

("AC"and"AUTO"marksareshownonthetopoftheLCD.)

(2)Adjustoneoftheconductorstothecenteroftheclampsensor'sarrow.

 

( When the position ofthe conductor is not at the center of thearrow, the error

occurs.)

Measuredvalueisshownonthedisplay.

Note:Unlike DC currentmeasurement, zero adjustment isnot necessary.  There isnot

polarityindicationeither.

6-2 Voltage Measurement

DANGER

●

Inordertoavoidpossibleshockhazard,nevermakemeasurementoncircuitswitha

maximum voltagedifference of 600VAC/DC orgreater between conductors

(300VAC/DCorgreaterbetweenaconductorandground).

●

Donotmakemeasurementwiththebatterycompartmentcoverremoved.

●

Keepyourfingersandhandsbehindtheprotectivefingerguardduringmeasurement.

 

6-2-1DCVoltageMeasurement

(1)SettheFunctionSelectorSwitchto"

 

V."

 



（

"DC"and"AUTO"marksareshownonthetopoftheLCD.

）

(2)Connectthe redtest leadto thepositive (+)sideof thecircuit undertest andthe

black testlead to thenegative (-) side. Measured voltage valueis shown onthe

display.

 

Whentheconnectionisreversed,"-"isshownonthedisplay.

Conductor

MODEL2000A MODEL2001A

Adjust a

conductor to

the center of

the arrow.

Correct Wrong

 

6-2-2ACVoltageMeasurement

(1)SettheFunctionSelectorSwitchto"

 

V."

 



（

"AC"and"AUTO"marksareshownontheLCD.

）

(2)Connectthetestleadstothecircuitundertest.

 

Measuredvoltagevalueisshownonthedisplay.

6-3 Resistance Measurement

DANGER

●

Nevermakemeasurementoncircuitsthatarelive.

●

Nevermakemeasurementwiththebatterycompartmentcoverremoved.

●

Keepyourfingersandhandsbehindtheprotectivefingerguardduringmeasurement.

(1)SettheFunctionSelectorSwitchto"

Ω／



 

."

(2)Check thatthe displayshows over-range.Short the testleads andcheck thatthe

buzzerbeepsandthedisplayreadszero.

(3)Connect thetest leads to thecircuit under test.Measured resistance valueis

shownonthedisplay. Whenthe measuredvalue isbelowabout 30

Ω

,thebuzzer

beeps.

Note:When the test leads are shorted, the display may read a small resistance value.

Thisistheresistanceofthetestleads.

Ifthereisanopenineitherofthetestleads,"OL"isshownonthedisplay.



 

Onthe340

Ω

range,"

 

"isshownontheleftsideoftheLCD.

6-4 Frequency Measurement

DANGER

●

Inordertoavoidpossibleshockhazard,nevermakemeasurementoncircuitswitha

maximum voltagedifference of 600VAC/DC orgreater between conductors

(300VAC/DCorgreaterbetweenaconductorandground).

●

Do notmake measurementwith thetest leads connectedto thecircuit undertest.

Nevermakemeasurementwiththebatterycompartmentcoverremoved.

●

Donotmakecurrentmeasurementwiththetestleadsconnectedtothecircuitunder

test.

●

Keepyourfingersandhandsbehindtheprotectivefingerguardduringmeasurement.

(1)SettheFunctionSelectorSwitchto"Hz."

(2)Measuringfrequencyofcurrent:

Adjustoneoftheconductorstothecenteroftheclampsensor'sarrow.Measured

valueisshownonthedisplay.

Measuringfrequencyofvoltage:

Connectthetestleadstothecircuitundertest.Measuredfrequencyisshownon

thedisplay.

Note:Measuringrange ofcurrent frequencyis0-10kHz withminimum measurableinput

ofMODEL2000A15A

（

Typ

）

/MODEL2001A25A

（

Typ

）

.



 

Measuringrangeofvoltagefrequencyis0-300kHzwithminimummeasurableinput

of30V

（

Typ

）

.



 

Whenmeasuring frequency,donot attachthe clampsensor andthetest leadsto

thecircuitundertestsimultaneously.

Prohibition

７．OTHER FUNCTIONS

7-1Auto-Power-SaveFunction

NOTE

Asmallamount ofcurrentis consumedeven inthe power-savestate. Makesure

tosettheFunctionSelectorSwitchtotheOFFpositionwhentheinstrumentisnot

used.

This functionhelps to avoid unwantedexhaustion of thebatteries because of

leaving theinstrument powered on andextend battery life. The instrument

automatically shiftsto the power-save stateabout 10 minutesafter the last

FunctionSelectorSwitchorotherswitchoperation.

To returnto the normal state: Turn the Function SelectorSwitch or press the

Data Hold Button twice to exitthe power-save state and enable measurement

functions.

7-2DataHoldFunction

This is a function to freeze a measured value on the display.  Press the Data

HoldButtononcetoholdthecurrentreading.Inthisdataholdstate,thereading

isheldevenifinputvaries."H" and"

 

"marksareshownontheLCD instead

of"AUTO"mark.

Toexitthedataholdstate,presstheDataHoldButtonagain.

7-3RangeHoldFunction

The instrumentdefaults to auto-ranging ("AUTO"is shown onthe LCD).

Pressing theRange HoldButton enables manualselection amongmeasurement

ranges

（

"

 

"markisshownontheLCDinsteadof"AUTO"mark

）

PresstheRangeHoldButtontoselectahigherrange.

 

To switch from manual range selection to auto-ranging,press down theRange

Hold Button forabout one seconds,or turn the FunctionSelector Switch to

anotherpositionbeforesettingitbacktothecurrentrange.

８．BATTERY REPLACEMENT

WARNING

●

In order toavoid possible shock hazard,always disconnect the testleads from

thecircuit undertest andsetthe FunctionSelector Switchto theOFFposition

beforetryingtoreplacethebatteries.

 CAUTION

●

Donotmixnewandoldbatteries.

●

Installbatteries in theorientation as showninside the battery compartment,

observingcorrectpolarity.

Whenthebatteryvoltagewarningmark"BATT"isshownonthetopleftcornerofthe

LCD, replacethe batteries.  Notethat the displayblanks and "BATT"mark is not

shownifthebatteriesarecompletelyexhausted.

 

(1)SettheFunctionSelectorSwitchto"OFF."

 

(2)Removetheinstrumentfromtheholster.

 

(3)Loosen thebattery-compartment-cover-fixing screw onthe lower back ofthe

instrument.

 

(4)ReplacethebatterieswithtwonewR03(UM-4)1.5Vbatteries.

 

(5)Putthebatterycompartmentcoverbackinplaceandtightenthescrew.

Screw

Battery

Compartment

Cover

Batteries

92-2318A6-18

DISTRIBUTOR

Kyoritsureserves the rights to change specifications or

designs described in thismanual without notice and without

obligations.

Test LeadCap

：

Test leadscanbe used under the CAT.II and III environments by

attaching a Protective capas illustrated below. Use of ourProtective cap offers

differentlengthssuitableforthetestenvironments.

Barrer

Protectivefingerguard

：

It is apartproviding protection against electrical shock and

ensuringtheminimumrequiredairandcreepagedistances.

Protective Cap

Exposed metal part

Uncapped condition for CAT.II environment

Capped condition for CAT.III environments

This instrumentsatisfies the marking requirementdefined in the WEEE

Directive. Thissymbol indicates separate collectionfor electrical and

electronicequipment.

Thismarkingmeanstheyshallbesortedoutandcollectedasordainedin

DIRECTIVE.

This directive is validonly in the EU. Whenyou remove batteries from

thisproductanddisposethem,discardtheminaccordancewithdomestic

lawconcerningdisposal.Takearightactiononwastebatteries,because

thecollectionsystemintheEUonwastebatteriesareregulated.

Produktspecifikationer