ETCR ETCR2000+ User manual

CONTENT
I. Attention.......................................................................................1
II. BriefIntroduction........................................................................3
III. Specification ..............................................................................5
1ModelofSeries..................................................................5
2. RangesandAccuracyofMeasurement..............................5
3. Specifications......................................................................6
IV. StructureofMeter......................................................................7
V. LiquidCrystalDisplay.................................................................8
1. LCD Screen.........................................................................8
2. Description ofSpecialSymbols...........................................9
3. ExamplesIllustrated..........................................................10
VI. OperatingMethod....................................................................11
1.Bootup................................................................................11
2Shutdown.........................................................................12
3ResistanceMeasurement................................................13
*4 Current Measurement....................................................14
5DateLock/Release/Storage.............................................15
6DataAccess.....................................................................16
7AlarmSettings.................................................................16
8Access toAlarmCriticalValue.........................................17
9ClearData........................................................................17
VII. Measurement Principle..........................................................18
1. PrincipleofResistanceMeasurement..............................18
2. PrincipleofCurrent Measurement....................................18
VIII. Measurement MethodofEarthResistance..........................19

1. Multi-Point GroundingSystem............................................19
2. Limited Point GroundingSystem........................................20
3. Single-Point GroundingSystem..........................................21
IX. Bill ofLoading..........................................................................24
X. PartsListand AssemblyDetails...............................................25
1. PartsList...........................................................................25
2.AssemblyDetails...............................................................26
XI.Troubleshooting......................................................................27

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I. Attention
Thankyou forpurchasingthispincersearthtesterfromETCR
ElectronicTechnologyCompany. Inordertomakebetteruseofthe
product, pleasebecertain:
----Toreadthisusermanual carefully.
----Tocomplywiththeoperatingcautionspresentedin
thismanual.
1 Underanycircumstances, usetheMetershouldpayspecial
attentiontosafety.
2 Payattention tothe measurement rangeofthe Meterand the
usingenvironment provided.
3 Payattention tothe text labeled onthepaneland back plane
ofthe Meter.
4 Beforebootingup, the triggershouldbepressed for1-2times
toensurethe jawsarewell closed.
5 At Boottime, DO NOTpress the trigger, norclampanywire.
6 Beforethe autoinspection iscompleted and the "OL "
symbolsareshowed, the measured objectscannot be
clamped on.
7 Thejawplanescontact must bemaintained clean, and should
not bepolished withcorrosiveand roughmaterials.
8 Avoidanyimpact ontothisMeter, especiallythe Jawcontact
surface.
9 ThisMeterwill havesomebuzzingsound inmeasurement

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process, and it isnormal.
10Themeasurement current ofthe wireshouldnotexceed the
upperlimit ofthe Meter.
11Pleasetakeout the batteriesinthe caseofthe Meterbeing
idleforalongtime.
12Thedismantling, calibration and maintenancethe Metershall
beoperated bytheauthorized staff.
13Ifthe continuinguseofit wouldbedangerous, theMeter
shouldbestopped usingimmediately, andimmediatelysealed
forthe treatment bythe authorized agencies.
14Thecontentsinthisusermanualmarked with"*"arelimited to
C+.