ETCR ETCR 7000 User manual

CONTENT
Warning....................................................................................................1
.Introduction.........................................................................................2
Ⅱ. Model .................................................................................................3
Ⅲ. ElectricalSymbols............................................................................3
Ⅳ.TechnicalSpecification....................................................................3
Ⅴ. Instrument Structure........................................................................5
Ⅵ. Method ofOperation........................................................................5
1．SwitchOn/Off.............................................................................5
2．BacklightControl........................................................................6
3．DataHold/Storage.......................................................................6
4．DataAccess/Exit........................................................................6
6．DeleteData..................................................................................6
7．LeakageCurrent/Current/VoltageMeasurement.........................7
Ⅶ. BatteryReplacement.......................................................................9
Ⅷ.Accessories.......................................................................................9

-1-
Warning
Thankyou forpurchasingourETCR7000 LargeCaliberLeakageClampMeter,
inordertobetteruseof thisproduct, besureto:
----Toread thisusermanualcarefully.
----Complystrictlywithsafetyrulesandprecautionssetout inthismanual.
uPayspecialattentiontosafetyunderanycircumstanceswhileusingthe
instrument.
uTakenoteofthelabeltext andsymbolsonthepaneland back ofthe
instrument.
uKeeptheclampclean and maintainregularly.
uPleasedontplaceand storetheinstrumentattheplacewithhigh
temperature,humidity,moisturecondensationandstraightsunlightfora
longtime.
uReplacebatteryintimewhenthebatteryvoltageislow.
uRemoveorreplacethebatteryifyouexpect nottousetheinstrumentfora
longtime.
uTakenoteofthepolaritywhenreplacethebattery.
uTheoperation,demolition,calibrationandmaintenanceofthe instrument
must becarriedoutbyqualifiedpersonnelauthorizedtodoso.
uThemetershouldbestoppedfrombeingusedimmediatelyand sealedif
dangerisbrought upincaseof continueduse; onlyacompetent bodycan
beauthorizedtodealwithit.
u“”inthemanualisthesafetywarningsign, thecontentsofthismanual
must befollowedforsafeoperation.
u“”and othersafetysigns,thecontentsofthismanualmustbefollowed
forsafeoperation.

-2-
.Introduction
ETCR7000 seriesof LargeCaliberLeakageClampMeter iswell
designedand manufacturedformeasuring ACleakagecurrent, current,
voltage,adoptthelatestCTtechnologyand digitalintegratedtechnology.Its
largecaliber80mm×80mm can clampelectriccableof80mmdiameter,or
96mm×4mmflat cableandsteelearthwires,particularlysuitableforleakage
currentmeasurementofcableand transformerearthsteel.Fullautomatically
and simultaneouslymeasureoneleakagecurrentand three voltages,allthe
dataaredisplayedinthescreen,whichisveryclearandconvenient. The
meteriswidelyusedinelectricpower,communication,meteorology,railway,
oilfield,architecture,measuring,teachingresearchunit, industrialmining
enterprises,etc.
ETCR7000 seriesof LargeCaliberLeakageClampMetersclamp
coreismadeofspecialalloy,adoptthelatestmagneticshieldingtechniques,
can almostshieldtheinfluencefromexternalmagneticfield,toensurethe
highprecision,high stabilityand highreliabilityofperennialuninterrupted
measurement.Themetercan store200 setsofdata,withRS232 interface,
uploadstoreddatatothecomputerthroughthesystemsoftware,
implementingonlinereal-timemonitoring,historicalinquires,dynamicdisplay.
Withthefunction ofhistoricaldataread,preserve,print,andbacklight,data
hold, etc.Itisanecessarytoolforelectricalsafetytesting.

-3-
. Model
Model MeasurementRange Resolution Note
AC0.00mA-1200A 0.01mA
ETCR7000
AC0.00V-600V 0.01V
AC0.00mA-2000A 0.01mA
ETCR7000A
AC0.00V-600V 0.01V
Measure
leakagecurrent
AC0.0A-2500A 0.1A
ETCR7000B
AC0.00V-600V 0.01V
Measurebig
current
Ⅲ. ElectricalSymbols
Extremelydangerous!Theoperatormuststrictlyabidebythesafety
rules;otherwisethereisrisk ofelectricshock,resultinginbodily
injuryorfatalities.
Dangerous!Theoperatormuststrictlyabidebysafetyrules;
otherwisethereisriskofelectricshock,resultinginbodilyinjuryor
fatalities.
Warning! Safetyrulesmust bestrictlyabidedby, otherwisepersonal
injuryorequipmentdamagemaybecaused.
AlternateCurrent AC）
DirectCurrent DC）
DoubleInsulation
Ⅳ. Technical Specification
Function MeasureACleakagecurrent,current,there-phase,
voltage
Power 6VDC(LR6×4alkalinedrybatteries,continuously
working for12hours)
TestMode ClampCT,integralmode
ClampSize 80mm×80mm(can clampelectriccableof80mm
diameter,or96mm×4mmflatcableandsteelearth
wires)
Measurement
Accuracy 0.00mA～300A: ±1.5%±3dgt

-4-
300A～1200A:±2%±3dgt
1200A～2000A: ±3%±3dgt
(23℃±3℃,
below70%RH,
measuredwire
atthecenterof
theclamp) 0.00V～600V:±1.5%±3dgt
MeasuredWire
Position Measuredwireatapproximatelythegeometriccenter oftheclamp
DataStorage 200 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 LCD: 128dots×64dots; Displayarea: 43mm×29mm
MeterSize Length275mm ×Width145mm ×Height40mm
Backlight Controlledby LIGHT key
DataHold “HOLD”symbolappears
Overflow “OL”symbolappears
Automatic
Shutdown Automaticallyshutdownabout15minutesafterpower on toreducebatteryconsumption
Voltage
Detection
Lowbatterysymbol “"appearstoremindthe
replacementofbatterywhenthebatteryvoltagedrops
below5.2V.
Weight 1kg(withbatteriesandaccessories)
Working
Current 50mAwithenabledbacklight; 25mAwithdisabled backlight
Working
Temperature
and Humidity -10℃～40℃;80%rh
Storage
Temperature
and Humidity -10℃～60℃;below70%rh
Insulation
strength AC2kV/rms(betweencoreand shell)
Safety
Specifications IEC1010-1,IEC1010-2-032,2class ofpollution,CAT Ⅲ(600V)

-5-
Ⅴ. InstrumentStructure
1. Clamp2. Functionkeysarea
3. LCDdisplay4. Voltageinputinterface
5.Openinglever6. RS232 interface
7. Housing screw(6pieces)8. Batterycover
9. Batterycoverscrew(1piece)
Ⅵ. Method ofOperation
1SwitchOn/Off
Press POWER keytoswitchon,LCD display,intestmode,press
POWER keytoswitchoff. Themeterwill automaticallypoweroffafter
booting 15 minuteslater.IfLCD displayisdarker,maybe thebattery
voltageistoolow, pleasereplacebatteries.
Indataholdmode,firstlypress HOLD keytocancelthelock,then
press POWER keytoswitchoff.

-6-
2BacklightControl
Afterbooting, press LIGHT keytocontrolthebacklight,suitablefordim
placesandnight, default openafterbooting.
3DataHold/Storage
Intestmode,press HOLD keytolockcurrentlydisplayedvalueand
display “HOLD “symbol.Atthesametime,thislockedvalueasasetofdata
followedbyauto-IDandstore, displaythegroupnumbersuchas “SAVENO.：
001”,and thenpress HOLD keytocancelthelock, “HD”symboldisappear,
thencontinuetomeasure.Loopoperation,themetercanstore200setsof
data.Ifthememoryisfull,display “FULL”symbol.
4DataAccess/ Exit
Intestmode,press MENU keytoaccessdatainquiryformgroup “R：001”,
and display “READ”symbol.Itisallowedtorapidlynavigatetothedesired
pagenumber. Press “△”keytoincreasethepagenumberbyone,press ”▽”
keytoincreasethepagenumberbyten.Press MENU keytoexitdateinquiry,
back totest mode.
5DataUpload
ConnectingthemeterandcomputerwithUSB-RS232 communication
lineattachedinpackage.Startupthemeter,runsoftware,choosehistory
access, thenread,save, report, printhistorydata,etc.Themoredatastorage,
takethelongertimetoreadit.Historicaldatacan besavedinTxttext orExcel
format.
6DeleteData
Atthedateinquirymode,press CLEAR keytoaccess deleting data
menu,thenpress“”or “▷”keys tomovethecursorto “YES”or “NO”item.
Press MENU keytoconfirmdeletion orreturntothetestmode.

-7-
7LeakageCurrent/Current/VoltageMeasurement
Highvoltage,verydangerous！Onlyqualifiedpersonnel
aftertrainingcouldconductoperationon it.Theoperator
shouldobeysafetyregulations;Otherwisetherewillbethe
dangerofelectricshock resultinginpersonalinjuryor
casualty.
Dangerous!Cannotbeusedtotestvoltagehigherthan
600V.Otherwisetherewillbethedangerofelectricshock
resulting inpersonalinjuryorcasualty.
Makesuretheclampwellclosedwhenmeasuring leakage
currentand current.
Makesurethemeasuredwireatapproximatelythe
geometriccenteroftheclamp.
Cleantheclampafterfinishingmeasurement,regularly
maintainthemeter.
Besuretoconnecttestwirescorrectlywhenmeasuring
voltagetoavoidshortcircuit.
Aftermeasuringvoltage,shouldfirstlytakethetestline
awayfrommeasuredwire,and thendrawfrommeter,in
ordertoavoidshock.
Clamplivewireandnulllinetogethertomeasureleakage
currentofelectricequipment.(Note:2wires)
Clampearthwiretomeasuregrounding lineleakage
currentofelectricequipment.(Note:singlewire)
Clampfourwiresoftherephasetomeasurethetotal
leakagecurrent. (Note:4wires)
Clampmainlinetomeasuretotalcurrentofthatmainline.
(Note:singlewire)

-8-
Test referenceillustrations:
MeasuringBox
Testphasecurrentandvoltage
Test
power
safety
Testleakage
of burycable
inwall
Testequipment
safetyoperation
Test
ground
leakage
Ground

-9-
Ⅶ. BatteryReplacement
Warning!Make surethebatterycoveriswellclosed
beforemeasurement, otherwisetherewillbedanger.
Take noteofthebatterypolarity,otherwise itmay
cause damagetotheinstrument.
Ifthebatterypowerisnotenough,pleasechangein
time.
Take outthebatteriesifyou expectnottousethe
meterforalong time.
1．“”isdisplayedwhenthepowervoltageislowerthan 5.2V,indicating
that thebatteryshouldbereplaced.
2.Press POWER key, makesurethemeterispoweroff.Loosenthebattery
coverscrew, opentheplate,replacenewbatteriesandcovertheplate,
thentightenscrew.
3.Press POWER keytocheck whetherthebatteriesaresuccessfully
replaced,repeat step2if itdoesnt work.
Ⅷ. Accessories
MainUnit 1piece
MeterBox 1piece
Test Line 4pieces(3red, 1black)
RS232 DataLine 1piece
Disk 1piece
Battery 4pieces AlkalineDryBatteryLR6）
UserManual 1piece
Guarantee Card 1 piece
Certification 1 piece

Manufacturedby
ETCRElectronicTechnologyCompany
Address:F-3F,No.4PengshangZhifuRoad,Jiahe,Baiyun
District,Guangzhou,Guangdong,China
PostCode:510440
Tel:(86-20)6219955662199553
Fax:[phone]
E-mail: [e-mail]
Website: www.etcr.cc