KYORITSU KEW SNAP 2002PA User manual

INSTRUCTION MANUAL
KEW SNAP SERIES
KEW
SNAP 2002ＰＡ 2002R
DIGITAL CLAMP METER
KYORITSU ELECTRICAL INSTRUMENTS
WORKS，LTD.

Contents ENGLISH
１． SafetyWarnings ……………………………………………………… 1
２． Features ……………………………………………………………… 4
３． Specifications
３−１ KEWSNAP2002PA …………………………………………… 5
３−２ KEWSNAP2002R …………………………………………… 7
４． InstrumentLayout ……………………………………………………  10
５． PreparationforMeasurement
５−１ BatteryVoltageCheck ………………………………………  11
５−２ CheckingSwitchSettingandOperation ……………………  11
６． Measurement
６−１ CurrentMeasurement …………………………………………  12
６−２ VoltageMeasurement ………………………………………  14
６−３ ResistanceMeasurement ……………………………………  15
７． NotesonFunctions
７−１ DataHold ……………………………………………………… 17
７−２ SleepFunction …………………………………………………  17
７−３ OutputforRecorder …………………………………………  18
７−４ ModeSwitchingFunction ……………………………………  19
８． BatteryReplacement …………………………………………………  20
９． OptionalAccessories …………………………………………………  21
10 ． DisposingtheProduct ………………………………………………  21

  1  
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touse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.
Besuretoobservetheaboveinstructions.
Failure to follow the above instructions may cause injury, instrument
damageand/ordamagetoequipmentundertest.
○ Thesymbol
#
indicatedontheinstrumentmeansthat the user must
refertorelatedpartsin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.

  2  
DANGER
● Nevermakemeasurementonthecircuitabove750VACor1000VDC.
● Do not attempt to make measurement in the presence of flammable
gasses,fumes,vaporordust.Otherwise,theuseoftheinstrumentmay
causesparking,whichcanleadtoanexplosion.
● Transformerjawtipsaredesignednottoshortthe circuitundertest.If
equipment under test has exposed conductive parts, however, extra
precautionshouldbetakentominimizethepossibilityofshorting.
● Neverattempttousetheinstrumentifitssurfaceoryourhandiswet.
● Donotexceedthemaximumallowableinputofanymeasurementrange.
● Never open the battery compartment cover and the instrument case when
makingmeasurement.
● Verifyproperoperation on a known source before use or taking action
asaresultoftheindicationoftheinstrument.
● 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withtestleadsconnectedtothe
instrument.
● Donotinstallsubstitutepartsormakeanymodificationtotheinstrument.
Returntheinstrumenttoyourdistributorforrepairorre-calibration.
● Donottrytoreplacethebatteriesifthesurfaceoftheinstrumentiswet.
● Always switch off the instrument and make sure to disconnect test leads
beforeopeningthebatterycompartmentcoverforbatteryreplacement.
○ 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.
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.
IndicatesEarth.
#

  3  
#CAUTION
● Always make sure to check the function selector switch is set to an
appropriatepositionbeforestartingmeasurement.
● Always make sure to insert the plug of each lead fully into the
appropriateterminalontheinstrument.
● Besure to set the function selector switch to the"OFF"positionafter
use.Whentheinstrumentwillnotbeinuseforalongperiod,placeitin
storageafterremovingthebatteries.
● Donot expose the instrument to the direct sun, hightemperatureordew
fall.
● Use a cloth dipped in water or neutral detergent for cleaning the
instrument.Donotuseabrasivesorsolvents.
Measurementcategories(Over-voltagecategories)
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 overcurrent protection device
(distributionpanel).
O: Device which is
not directly
connected to the
mains power supply

  4  
● Tear-drop-shapedjawsforeaseofuseincrowdedcableareasandother
tightplaces.
● Accurate true-RMS reading of AC current or voltage with distorted
waveform(KEWSNAP2002R)
● Providesawidemeasuringrangefrom0upto2000A.
● Terminalcovertoavoidtheuseofanincorrectterminal.
● Measurescurrentvariationasshortas10msecwithpeak-holdfeature.
● Providesoutputtoachartrecorderforcurrentvariationrecording.
● Designedtointernationalsafetystandards.
IEC61010-1(CAT.III600V/CAT.II1000VPollutiondegree2)
IEC61010-031,IEC61010-2-032,IEC61010-2-033
● Data hold function to allow easy readings in dimly lit or hard-to-read
locations.
● Sleepfeaturetoconservebatterypower.
● Permitseasycontinuitycheckwithabeeper.
● Providesadynamicrangeof4,000countsfullscale.
● Provideswidemeasuringrangeofvoltageandresistanceinauto-ranging.
● Wide frequency range from 40Hz to 1kHz (Current measuring range:
0-1500A).
● Transformerjowsfittedwithguardtofurtherimprovesafety.
● Protectedthroughoutbydoubleorreinforcedinsulation  .
２．Features

  5  
３−１ KEWSNAP2002PA
● MeasuringRangesandAccuracy(at23 ± 5 ℃ ,relativehumidity45-75%)
ACCurrent
〜
400 Ａ，〜 2000 Ａ
３．Specifications
Range
400
Ａ
2000 Ａ

MeasuringRange
０〜 400.0 Ａ
０〜
1000 Ａ
1000 〜 1500 Ａ
1500 〜 2000 Ａ
MeasuringRange
０〜 40.00 Ｖ
15.0 〜 400.0 Ｖ
150 〜 750 Ｖ
MeasuringRange
０〜± 40.00 Ｖ
±
15.0 〜± 400.0 Ｖ 
± 150 〜± 1000 Ｖ
MeasuringRange
０〜 400.0 Ω
0.150 〜 4.000k Ω 
1.50
〜 40.00k Ω
15.0 〜 400.0k Ω
OutputVoltage / MeasuringRange
０〜 400.0 ｍＶ / ０〜 400 Ａ
０〜
150.0 ｍＶ / ０〜 1500 Ａ
150.0 〜 200.0 ｍＶ /1500 〜 2000 Ａ
Resolution
0.1 Ａ
１Ａ
Resolution
0.01 Ｖ
0.1 Ｖ
１Ｖ
Resolution
0.01 Ｖ
0.1 Ｖ
１Ｖ
Resolution
0.1 Ω
１Ω
10 Ω
100 Ω
Accuracy （ FrequencyRange ）
±
1.0 ％ rdg ± 3dgt(50/60Hz ）
±
2.0 ％ rdg ± 3dgt(40 〜１ kHz)
± 1.0 ％ rdg ± 3dgt(50/60Hz ）
±
3.0 ％ rdg ± 3dgt(40 〜１ kHz)
± 3.0 ％ rdg (50/60Hz ）
Accuracy （ FrequencyRange ）
±
1.0 ％ rdg ± 2dgt(50/60Hz ）
±
1.5 ％ rdg ± 3dgt(40 〜１ kHz)
Accuracy
± 1.0 ％ rdg ± 2dgt
Accuracy
± 1.5 ％ rdg ± 2dgt
Accuracy
（ FrequencyRange ）
±
1.5 ％ rdg ± 0.5 ｍＶ (50/60Hz ）
±
2.5 ％ rdg ± 0.5 ｍＶ (40 〜１ kHz ）
±
1.5 ％ rdg ± 0.5 ｍＶ (50/60Hz ）
±
3.5 ％ rdg ± 0.5 ｍＶ (40 〜１ kHz ）
±
3.5 ％ rdg (50/60Hz ）
MaximumMeasurementTime
Continuous
15min
５ min
Range
40
Ｖ
400 Ｖ
750 Ｖ
Range
40
Ｖ
400 Ｖ
1000 Ｖ
Range
400
Ω
4k Ω
40k Ω
400k Ω
Range
400
Ａ
2000 Ａ
ACVoltage （〜Ｖ） Auto-ranging
Initiallysettothe40Vrange.Inputimpedanceisabout1M Ω .
DCVoltage （   Ｖ） Auto-ranging
Initiallysettothe40Vrange.Inputimpedanceisabout1M Ω .
Resistance(Auto-ranging)
Initially set to the 400 Ω  range.  In the continuity check mode, fixed to the 400 Ω  range and
whenthereadingisnotmorethan50 ± 35 Ω ,thebuzzerbeeps.
ＯＵＴＰＵＴ （ ACCurrentRanges ）
DCOutput:100.0mVper1000counts(Outputimpedance:about10k Ω )
● Electromagneticcompatibility(EMC)
EN61000-4-3RadiatedRFelectromagneticfieldimmunity
RFfieldstrength ＝＜＝ １Ｖ／ｍ ,totalaccuracy ： specifiedaccuracy
RFfieldstrength ＝ ３Ｖ／ｍ ,totalaccuracy ： specifiedaccuracy ＋２％ ofrange

  6  
● OperatingSystem DualIntegration
● Display Liquidcrystaldisplaywithamaximumcount
of4000
● LowBatteryWarning "BATT" symbol is displayed on the digital
display.
● OverrangeIndication "OL" is displayed where input exceeds the
upperlimitofarange
● ResponseTime Approx.2seconds
● Sleepfunction Automatically powered down in about 10
minutesafterthelastswitchoperation
● DataHold Available in all ranges provided the peak
measurementmodeisdeactivated.
● OperatingEnvironmental indooruse
conditions altitudeupto2000m
● StorageTemperature ー 20 〜 60 ℃ ,relativehumidityupto85%
andHumidity withoutcondensation
● OperatingTemperature 0 〜 40 ℃ ,relativehumidityupto85%
andHumidity withoutcondensation
● ConductorSize Approx.54.5diametermax.
● OverloadProtection 2400AACfor10sec
 1200VAC/DCfor10sec
 600VACfor10sec
● WithstandVoltage 5160V AC for 5 seconds between electrical
circuit and housing cases or metal parts of
jaws
● InsulationResistance 10M Ω orgreaterat1000V between
electricalcircuitandhousingcasesormetal
partsofjaws
● SafetyStandard IEC61010-1,61010-2-032,61010-2-033,
61010-031:MeasurementCAT.
Ⅲ 600V/
CAT.
Ⅱ 1000V,pollutiondegree2.
● EMC EN61326-1
● RoHS EN50581
● Dimensions 247 （ L ）× 105 （ W ）× 49 （ D ） mm
● Weight Approx.470g(batteryincluded)
● PowerSource TwoR6P(DC1.5V)batteriesorequivalent
● CurrentConsumption Approx. 5mA max. (Approx. 20 μ A in the
sleepmode)
● Accessories TestleadsM-7107A
 TwoR6Pbatteries
 Instructionmanual
 RecorderOutputPlugM-8201
 CarryingcaseM-9094
● OptionalAccessories Multi-TranM-8008
 OutputProbeM-7256,etc.

  7  
３−２ KEWSNAP 2002R
● MeasuringRangesandAccuracy(at23 ± 5 ℃ ,relativehumidity45-75%)
ACCurrent
〜
400 Ａ，
〜
2000 Ａ (9countsorlessiscorrectedto0)
Range
400
Ａ
2000 Ａ

MeasuringRange
０〜 400.0 Ａ
０〜
1000 Ａ
1000 〜 1500 Ａ
1500 〜 2000 Ａ
MeasuringRange
０〜 40.00 Ｖ
15.0 〜 400.0 Ｖ
150 〜 750 Ｖ
MeasuringRange
０〜± 40.00 Ｖ
±
15.0 〜± 400.0 Ｖ 
± 150 〜± 1000 Ｖ
MeasuringRange
０〜 400.0 Ω
0.150 〜 4.000k Ω 
1.50
〜 40.00k Ω
15.0 〜 400.0k Ω
OutputVoltage / MeasuringRange
０〜 400.0 ｍＶ / ０〜 400 Ａ
０〜
150.0 ｍＶ / ０〜 1500 Ａ
150.0 〜 200.0 ｍＶ /1500 〜 2000 Ａ
Resolution
0.1 Ａ
１Ａ
Resolution
0.01 Ｖ
0.1 Ｖ
１Ｖ
Resolution
0.01 Ｖ
0.1 Ｖ
１Ｖ
Resolution
0.1 Ω
１Ω
10 Ω
100 Ω
Accuracy （ FrequencyRange ）
±
1.5%rdg ± 3dgt （ 45 〜 65Hz ）
±
2.5%rdg ± 3dgt （ 40 〜 1kHz ）
±
2.0%rdg ± 5dgt （ 45 〜 65Hz ）
±
3.0%rdg ± 5dgt （ 40 〜 1kHz ）
±
4.0%rdg （ 50/60Hz ）
Accuracy （ FrequencyRange ）
±
1.0 ％ rdg ± 2dgt(45 〜 65Hz)
± 1.5 ％ rdg ± 3dgt(40 〜１ kHz)
Accuracy
± 1.0 ％ rdg ± 2dgt
Accuracy
± 1.5 ％ rdg ± 2dgt
Accuracy
（ FrequencyRange ）
±
2.0%rdg ± 0.5mV （ 45 〜 65Hz ）
±
3.0%rdg ± 0.5mV （ 40 〜 1kHz ）
±
2.5%rdg ± 0.5mV （ 45 〜 65Hz ）
±
3.5%rdg ± 0.5mV （ 40 〜 1kHz ）
±
4.5%rdg  （ 50/60Hz ）
MaximumMeasurementTime
Continuous
15min
５ min
Range
40
Ｖ
400 Ｖ
750 Ｖ
Range
40
Ｖ
400 Ｖ
1000 Ｖ
Range
400
Ω
4k Ω
40k Ω
400k Ω
Range
400
Ａ
2000 Ａ
ACVoltage （〜Ｖ） Auto-ranging (9countsorlessiscorrectedto0)
Initiallysettothe40Vrange.Inputimpedanceisabout1M
Ω .
Whenapprox.300Vormoreisappliedtotheinstrumentinstantaneously,themeasuredvalue
isindicatedon750Vrange.
DCVoltage （   Ｖ） Auto-ranging
Initiallysettothe40Vrange.Inputimpedanceisabout1M Ω .
Resistance(Auto-ranging)
Initially set to the 400 Ω  range.  In the continuity check mode, fixed to the 400 Ω  range and
whenthereadingisnotmorethan50 ± 35 Ω ,thebuzzerbeeps.
ＯＵＴＰＵＴ （ ACCurrentRanges ）
DCOutput:100.0mVper1000counts(Outputimpedance:about10k Ω )
● CF(CrestFactor)CF=3orless
accuracy+1%(45 〜 65Hz) 、 lessthanAC3000A/AC1200VPeak
● Electromagneticcompatibility(EMC)
EN61000-4-2Electrostaticdischargeimmunity(ESD)
PerformancecriteriaB

  8  
● OperatingSystem DualIntegration
● Display Liquidcrystaldisplaywithamaximumcount
of4000
● LowBatteryWarning "BATT" symbol is displayed on the digital
display.
● OverrangeIndication "OL" is displayed where input exceeds the
upperlimitofarange
● ResponseTime Approx.2seconds(atfullscale)
● Sleepfunction Automatically powered down in about 10
minutesafterthelastswitchoperation
● DataHold Available in all ranges provided the peak
measurementmodeisdeactivated.
● OperatingEnvironmental indooruse
conditions altitudeupto2000m
● StorageTemperature ー 20 〜 60 ℃ ,relativehumidityupto85%
andHumidity withoutcondensation
● OperatingTemperature 0 〜 40 ℃ ,relativehumidityupto85%
andHumidity withoutcondensation
● ConductorSize Approx.54.5diametermax.
● OverloadProtection 2400AACfor10sec
 1200VAC/DCfor10sec
 600VACfor10sec
● WithstandVoltage 5160VACfor5secondsbetweenelectrical
circuit and housing cases or metal parts of
jaws
● InsulationResistance 50M Ω orgreaterat1000V between
electricalcircuitandhousingcasesormetal
partsofjaws
● SafetyStandard IEC61010-1,61010-2-032,61010-2-033,
61010-031:MeasurementCAT.
Ⅲ 600V/
CAT.
Ⅱ 1000V,pollutiondegree2.
● EMC EN61326-1
● RoHS EN50581
● Dimensions 247 （ L ）× 105 （ W ）× 49 （ D ） mm
● Weight Approx.470g(batteryincluded)
● PowerSource TwoR6P(DC1.5V)batteriesorequivalent
● CurrentConsumption Approx. 10mA max. (Approx. 20 μ A in the
sleepmode)
● Accessories TestleadsM-7107A
 TwoR6Pbatteries
 Instructionmanual
 RecorderOutputPlugM-8201
 CarryingcaseM-9094
● OptionalAccessories Multi-TranM-8008
 OutputProbeM-7256,etc.