Kyoritsu Electrical Instruments Works, Ltd. KEW MATE 2001 User manual

INSTRUCTIONMANUAL
KEW MATE 2000/2001
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.
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.
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.
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
2000
2001
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
2000
2001
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:MODEL2000 AC/DC 72A for 10
seconds
 AC/DCcurrentranges:MODEL2001 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 MODEL2000Approx. 6mmdiametermax.
 MODEL2001Approx.10mmdiametermax.
● Dimensions MODEL2000128(L) × 87(W) × 24(D)mm
 MODEL2001128(L) × 92(W) × 27(D)mm
● Weight  MODEL2000Approx.210g
 MODEL2001Approx.220g
● AccessoriesTwoR03(UM-4)batteries
   InstructionManual
４．INSTRUMENT LAYOUT
Data Hold Button
MODEL2001 MODEL2000
Range Hold Button
Test Lead
LCD Display
AC/DC Clamp Sensor
DCA
Zero Adjust
Knob
Digital Multimeter
Function Selector Switch
Holster
Barrier Barrier
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
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.
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 MODEL2000 6mm / MODEL2001
10mmindiameter.
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
6-1-1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barrier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.
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barrierduringmeasurement.
Conductor
MODEL2000 MODEL2001
Adjust a
conductor to
the center of
the arrow.
Correct Wrong
(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barrier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MODEL200015A
（ Typ ） /MODEL2001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.
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.
Prohibition
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
92-1507E8-16
DISTRIBUTOR
Kyoritsu reserves the rights to change specifications or
designs described in this manual without notice and without
obligations.