ETCR 7100 Manual de usuario

CONTENT

I. SafetyPrecautionsAnd Procedures ................................................1

1. PreliminaryInstructions................................................................2

2. DuringUse....................................................................................2

3. AfterUse.......................................................................................3

II. Introduction.........................................................................................3

III. Model..................................................................................................4

IV. ElectricalSymbols............................................................................4

V. TechnicalSpecification......................................................................4

VI. Instrument Structure.........................................................................6

VII. LCD Display.....................................................................................7

VIII. Method ofOperation......................................................................7

1. SwitchOn/Off...........................................................................7

2. DataHold/Storage......................................................................7

3. DataAccess/Exit.......................................................................8

4. DataUpload...............................................................................8

5. DeleteData.................................................................................8

6. GeneralMeasurement................................................................8

7PEAKMeasurement...............................................................10

IX. BatteryReplacement.....................................................................10

XI. Accessories.....................................................................................11

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I. SafetyPrecautionsAndProcedures

ThisinstrumentwasdesignedincompliancewithIEC1010-1&IEC1010-2-032

safetyguidelinerelativetoelectronicequipment.

Foryourownsafetyandtoavoiddamagingtheinstrumentyouare

recommendedtofollowtheproceduresdescribed inthismanualandread

carefullyallinstructionsprecededbythissymbol

Beforeand during measurementskeeptothefollowinginstructions:

Donot takecurrent measurementsinwet places

Donottakethemeasurementsinthepresenceofexplosivegasand

combustiblesorindustyplaces

Avoidanycontactwiththecircuitundertesteventhough youarenot

takinganymeasurement

Avoidanycontact withexposedmetalparts, unusedmeasuring terminals,

circuitsetc.Donottakeanymeasurementwheneveranomalousconditions

occursuchasdeformations,breaks,leakages,blinddisplayetc

Theherewithsymbolsareusedinthismanualandonthemeter

CAUTION:refertotheinstructionmanual.Animproperusemay

damagetheinstrument oritscomponentsaswellasendangertheuser.

High voltagedanger:riskof electricshock

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1.PreliminaryInstructions

Thisinstrumenthasbeendesignerforuseinenvironmentswithpollution

degree2

Itcanbeusedforvoltageandcurrentmeasurementson electrical

installationswithovervoltageCATIII 600V

Youarerecommendedtorespecttheusualsafetyregulationsaimed at

protectingyouagainstdangerouscurrentandprotectingtheinstrument

againstimproperuse

Onlytheoriginalaccessoriessuppliedalongwiththeinstrumentguarantee

compliancewiththesafetystandardsinforce.Theymustbeinagood

conditionsand,if necessary,replacedwithidenticalones

Donottestnorconnecttoanycircuitexceeding thespecifiedoverload

protection

Donottakemeasurementsunderenvironmentalconditionsexceeding the

limitsindicatedinthismanual

Makesurethatbatteriesarecorrectlyinstalled

2. During Use

You arerecommendedtoread carefullythefollowinginstructions:

CAUTION

Failuretocomplywithwarningsandinstructionsmaydamagethe

instrumentand/oritscomponentsaswellasinjuretheoperator

Donotmeasureinthepresenceofexternalvoltages.Althoughthe

instrumentisprotected,anexcessivevoltagemaycausemalfunction

Avoidsubmittingtheinstrumenttovoltagewhilemeasuring(i.e.atestlead

slipping offthemeasuring pointaccidentallytouchinganenergizedpoint)

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CAUTION

Ifthe “lowbattery”symbol isdisplayedduringuse

interrupt testing,switchoff theinstrumentandreplacebatteries.

u(Takenoteofthepolaritywhenreplacethebattery.)

3.AfterUse

Turnofftheinstrument pressingON/OFFkeyafterusingit

If youexpect nottousetheinstrumentforalongtimeremovebatteries

II. Introduction

ETCR7100 seriesof Super-largeCaliberLeakageClampMeter iswell

designedand manufacturedformeasuring ACleakagecurrent, current,

voltage,adoptthelatestCTtechnologyand digitalintegratedtechnology.Its

largecaliber108mm×148mm can clampelectriccableof 108mmdiameter,or

160mm×4mmflatcableandsteelearthwires.Itissuitableforleakagecurrent

measurementofcableand transformerearthsteel.Fullautomaticallyand

LCD display,allthedataaredisplayedinthescreen,whichisveryclearand

convenient.Themeteriswidelyusedinelectricpower,communication,

meteorology,railway,oilfield,architecture,measuring,teaching researchunit,

industrialminingenterprises, etc.

ETCR7100 seriesof Super-largeCaliberLeakageClampMeter’s

clampcoreismadeofspecialalloy,adoptthelatestmagneticshielding

techniques,toensurethehigh precision,highstabilityandhighreliabilityof

perennialuninterruptedmeasurement.Themetercanstore99 setsofdata,

withRS232interface, upload storeddatatothecomputerthrough thesystem

software,implementingonlinereal-timemonitoring,historicalinquires,

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dynamicdisplay.Withthefunction ofhistoricaldataread,preserve,print,and

backlight, datahold,etc.It isanecessarytoolforelectricalsafetytesting.

III. Model

Model Range(AC) Resolution Note

ETCR 7100 0.0mA-3200A 0.1mA Measureleakage

current

ETCR 7100A 0.0A-4000A 0.1A Measurebig

current

IV. Electrical Symbols

Extremelydangerous!Theoperatormuststrictlyabidebythesafety

rules;otherwisethereisrisk ofelectricshock,resultinginbodily

injuryorfatalities.

Dangerous!Theoperatormuststrictlyabidebysafetyrules;

otherwisethereisriskofelectricshock,resultinginbodilyinjuryor

fatalities.

Warning! Safetyrulesmust bestrictlyabidedby, otherwisepersonal

injuryorequipmentdamagemaybecaused.

AlternateCurrent AC）

DirectCurrent DC）

DoubleInsulation

V. TechnicalSpecification

Function MeasureACleakagecurrent, bigcurrent(particularly

suitableforleakagecurrentmeasurementofcable

and transformerearthsteel)

Power 6VDC(LR6×4alkalinedrybatteries,continuously

working for12hours)

TestMode ClampCT,integralmode

ClampSize 108mm×148mm (canclampelectriccableof108mm

diameter,or160mm×4mmflatcableand steelearth

wires)

Measurement

Range(AC) ETCR7100:0.0mA~3200A

ETCR7100A:0.A~4000A

Resolution(AC)

ETCR7100:0.1mA

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ETCR7100A:0.1A

Measurement

Accuracy(AC)

(23°C±3°C,

below70%RH,

measuredwire

atthecenterof

theclamp)

0.0mA~499A±2%±5dgt

500A~999A±3%±5dgt

1000A~2999A±4%±5dgt

3000A~4000A±5%±5dgt

MeasuredWire

Position Measuredwireatapproximatelythegeometriccenter

oftheclamp

DataStorage 99 sets,“FULL”symbolindicatethememoryisfull

RS232 Interface

WithRS232interface,downloaddatatocomputerfor

analysisandmanagement

Communication

Wire RS232 communication wire,1.8m

Frequency 50Hz,60Hzautomaticidentification

GearShift Automaticshift

SampleRate About2times/second

LineVoltage BelowAC600Vlinemeasurement

DisplayMode 4digitalLCD display,length47mm×width28.5mm

MeterSize Length350mm ×Width180mm ×Height55mm

Backlight Suitablefordimplaces

DataHold “HOLD”symbolappears

Overflow “OL”symbolappears

Automatic

Shutdown Automaticallyshutdownabout5minutesafterpower

on toreducebatteryconsumption

Voltage

Detection

Lowbatterysymbol “"appearstoremindthe

replacementofbatterywhenthebatteryvoltagedrops

below5.2V.

WeightofMeter

1.5kg(withbatteries)

Weightof

Package 3kg(withaccessories)

Working

Temperature

and Humidity -10°C~40°C;80%rh

Storage

Temperature

and Humidity -10°C~60°C;below70%rh

Insulation AC2kV/rms(betweencoreand shell)

-6-

strength

Safety

Specifications

IEC1010-1,IEC1010-2-032,2classofpollution,CAT

III 600V

VI. InstrumentStructure

1. Clamp(108mm×148mm)

2. Lockswitch(afterlock,theclampcan’tbeopen)

3. HOLD key4. PEAK key

5. LCDdisplay6.RS232interface

7.Openinglever8. POWER key

9. Batterycover10.Batterycoverscrew(1piece)

11. Upanddowncoverconnectingscrews(6pieces)

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VII. LCDDisplay

⑴.PEAK measurement modesymbol

⑵.Symboloflowbattery&voltage(displaywhenbelow4.8V)

⑶.Symbolofdatastorage

⑷.Symbolofdataaccess

⑸.2-digitalNo.ofdatastorageunit

⑹.Current unit(mAorA)

⑺.Datalock symbol

⑻.Metricationdecimalpoint

⑼.4-digitalLCD figuresdisplay

⑽.SymbolofAC

VIII. Method ofOperation

1.SwitchOn/Off

Press POWER keytoswitchon,LCD display,intestmode,press

POWER keytoswitchoff.Themeterwill automaticallypoweroffafter

booting 5minuteslater.IfLCD displayisdarker, maybethebatteryvoltage

istoolow,pleasereplacebatteries.

Indataholdmode,firstlypress HOLD keytocancelthelock,then

press POWER keytoswitchoff.

2.DataHold/Storage

Intestmode,press HOLD keytolockcurrentlydisplayedvalueand

display “HOLD “symbol.Atthesametime,thislockedvalueasasetofdata

followedbyauto-IDand store,and “MEM”symbolflashonetime.Themeter

can store99 setsofdata.Ifthememoryisfull,display “FULL”symbol.

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3.DataAccess/ Exit

Intestmode,press PEAK and POWER keytoaccessdatainquiryform

group “R01”,and display “MR”symbol.Press PEAK or POWER keyto

increaseordecreasethepagenumber,itwillautomaticallyreturnbackto

group01whenaccess thelast group.

Press HOLD keytoexit dateinquiry,back totest mode.

4.DataUpload

ConnectingthemeterandcomputerwithUSB-RS232 communication

lineattachedinpackage.Startupthemeter,runsoftware,choosehistory

access, thenread,save, report, printhistorydata,etc.Themoredatastorage,

takethelongertimetoreadit.Historicaldatacan besavedinTxttext orExcel

format.

5.DeleteData

Inthedateinquirymode,press PEAK and POWER keytodeleteall the

storeddata,andreturnback totestmode.Atthesametime, “dEL”symbol

display.

6.General Measurement

Duringthemeasurement,theLCDreal-timedisplaythevalueof

measuredcurrentandleakagecurrent,thevaluedisplayedon LCDchange

withdifferent current and leakagecurrent. Nomeasuredvalue reservedwhen

takethemeterawayfrommeasuredwires,LCD displayzero.

Highvoltage,verydangerous！Onlyqualifiedpersonnel

aftertrainingcouldconductoperationon it.Theoperator

shouldobeysafetyregulations;Otherwisetherewillbethe

dangerofelectricshock resultinginpersonalinjuryor

casualty.

Dangerous!

nnotbeusedtotestvoltagehigherthan

600V.Otherwisetherewillbethedangerofelectricshock

resulting inpersonalinjuryorcasualty.

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