Kyoritsu Electrical Instruments Works, Ltd. KEW MATE 2000A User manual

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.
are noted,
tothe
Return
undertest
cover for
orcolor
before
e making
use.When
after
abrasives
shes safety
,andcalled
 electrical
t designed
edesigned
pply.
outletbya
tly to the
tlets.
thepower
nel).
that comes
notrequire
category
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
Barrier Protective 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
thatthe
value is
,thebuzzer
value.

witha

undertest.
under
Measured
isshownon
input
input
leadsto
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.
www. .com [e-mail]1.800.561.8187

INSTRUCTIONMANUAL
KEW MATE 2000A/2001A
DIGITAL MULTIMETER
WITH
AC/DC CLAMP SENSOR
KYORITSU ELECTRICAL INSTRUMENTS
WORKS, LTD.
This
Safety
contains
safe
●
Read
● 
● Be sure
● Besuret
Failure to
damage to
Failure to
Thesymbol
partsofthe
Following
This
a
●
Never
● Do not
● 
●
●

● Never
● The
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
● 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
Barrier Protective 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
● Inorder
● Do not
●
● When
●  M
(2)Turn
(3)

( When
occurs.)
Note:When
(2)
(
Note:Unlike
● Inorder
● 
●
 （
(2)
black
display.
Correct
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












o


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.
www. .com [e-mail]1.800.561.8187

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.
● Never attempt to make any
● DonotturntheFunction
circuitundertest.
● Do not installsubstituteparts
● 
● Always disconnectthe clamp
and switch off the instrument
batteryreplacement.
● Stopusingthetestleadifthe
jacketisexposed.
● MakesurethattheFunction
makingmeasurement.
● Always make sure to place the
currentmeasurement.
●
●
BesuretosettheFunction
the instrument will not be used
removingthebatteries.
● Useadampclothand
orsolvents.
●
Measurement Category:
To ensure safe operation of mea
standardsforvariouselectricale
measurement categories. Hig
environments with greater mome
for CAT III environments canen
forCATII.
O :Circuitswhichareno
CATII :Electricalcircuitsofe
powercord.
CATIII :Primary electrical cir
distributionpanel,an
CATIV :Thecircuitfromthese
meterandprimaryover
２．FEATURES
● Permits AC/DC current
standardwiththeinstrument
●
●
Permitscurrentmeasurement
● Auto-power-savefunction
●
●
●
●
●
Designed to international
CAT
Ⅲ
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
Barrier Protective 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
 （
(2)
6-3 Resistance Measuremen
● 
● 
●
(2)Check thatthe displayshows
(3)Connect the test leads to
shownonthedisplay.When
beeps.
Note:
When the test leads are


Onthe340 Ω range,"
6-4 Frequency Measurement
● Inordertoavoidpossibleshock
maximum voltage difference
● Donotmakemeasurementwith
● Donotmakecurrent
test.
●
(2)
Adjustoneoftheconductors
Connectthetestleadsto
thedisplay.
Note:Measuring rangeofcurrent
ofMODEL2000A15A
（ Typ ）

Measuringrangeofvoltage
of30V
（ Typ ） .

Whenmeasuringfrequency,
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
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.
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