mi 3123 smartec earth / clamp professional solution for smart … · 2014. 12. 10. · mi 3123...
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MI 3123 SMARTEC Earth / Clamp
Suitable for:•Testing earthingresistance•Testingmainearthingofobjects•Testingresistanceofindividual
earthingrodsinlargesystems•Testinglightningsystems•Determinationofsoilresistivity•Designingofearthingsystems•TestingonCATIVinstallations
(outsideinstallations,maindistributionboards,industrialplants)
Standards:Instrument:IEC/EN61557Parts1,5,10IEC/EN61010-1IEC/EN61326
Applications:IEC/EN60364VDE100BS767117theditionCEI64.8
Main Features:•Supportsalltypesofearthingresistancemeasurements:-Standard earthing resistancemeasurementwithspikes-Selective earthing resistancetestwithonecurrentclamp-Selective(contactless)earthing resistance with two current clamps-Specific earth resistancemeasurement•Leakagecurrenttestswithcurrentclamps•Loadcurrenttestswithcurrentclamps•High accuracy, high immunity against external noise•Preprogrammed limits•PASS/FAILevaluationofmeasurementresult•Bright GREEN/RED indicatorsprovidesvisualevaluationofresults•SuitedfortestingonCAT IVinstallations•Magnetic holderenableshands-freeoperation•Built-in battery charger •Twolevelmemorystructureforsavingtestresultsandparameters•BasicdownloadingwithEuroLinkPROPCSWpackage•CompatiblewithEuroLinkPROPlusPCSWpackage•USB and RS232ports•Robustandergonomicdesign
Professional solution for
smart operator
TwoclampsmethodfortestinggroundresistanceofobjectonTNsystem
LargeLCDscreenwithbacklightandPASS/FAILindicators
Measuring and Regulation Equipment ManufacturerMETRELd.d.Ljubljanska77SI-1354HorjulTel:+386(0)17558200Fax:+386(0)17549226E-mail:[email protected]://www.metrel.si
Note!Photographsinthiscataloguemayslightlydifferfromtheinstrumentsatthetimeofdelivery.Subjecttotechnicalchangewithoutnotice.
Ordering informationMI 3123 Standardset
InstrumentMI3123Earth/ClampSofthandstrapEarthtestlead4,5m(blue)Earthtestlead4,5m(red)Earthtestlead20m(green)Earthtestlead20m(black)Earthtestrod,4pcsPowersupplyadapter+6NiMHrechargeableAAbatteriesInstructionmanualonCDShortinstructionmanualProductverificationdataHandbook“Guidefortestingandverificationoflowvoltageinstallations”onCD
Photo Order No. Decription
A1018Currentclamp(lowrange,leakage)
A1019 Currentclamp
A1160
Fastbatterychargerwithasetof6pcsNiMHrechargeableAAbatteries
A1271 Smallsoftcarryingbag
A1289 Softcarryingbag
A1290PCSWEuroLinkPROPluswithUSBandRS232/PS2cable
A1291PCSWEuroLinkPROwithUSBandRS232/PS2cable
S2041 Earthtestset50m
S2009Testleadset2m,4colours,4pcs
Optional Accessories
Technical specificationsEarth resistanceEarthresistance4-wiremethodandEarthresistanceoneclampmethodMeasuringrangeaccordingtoEN61557is0.67Ω÷9999Ω
MeasuringrangeR(Ω) Resolution(Ω) Accuracy0.00÷19.99 0.01 ±(3%ofreading+3digits)20.0÷199.9 0.1 ±(3%ofreading+3digits)200÷1999 1 ±5%ofreading2000÷9999 1 ±10%ofreading
Automatictestofproberesistance yesAutomatictestofvoltagenoise yesOpen-terminaltestvoltage 40VACTestvoltagefrequency 125HzShort-circuittestcurrent <20mALowclampcurrentindication yesNoisecurrentindication yes
Earth resistance two clamps method
Measuringrange(Ω) Resolution(Ω) Accuracy0.00÷19.9 0.01 ±(10%ofreading+10digits)20.0÷30.0 0.1 ±(20%ofreading)30.1÷39.9 0.1 ±(30%ofreading)
Testvoltagefrequency 125HzNoisecurrentindication yesLowclampcurrentindication yes
Specific earth resistance
Measuringrange(Ωm) Resolution(Ωm) Accuracy0.0÷99.9 0.1
Calculatedvalue,considerearthresistance4-wiremethod
100÷999 11.00k÷9.99k 0.01k10.0k÷99.9k 0.1k>100k 1k
Wennermethodprinciplewithequaldistancesbetweentestprobes:ρ=2·π·distance·R,withRasmeasuredresistancein4-wiremethod.TRMS Clamp current
Measuringrange() Resolution(mA) Accuracy0.0mA÷99.9mA 0.1mA ±(3%ofreading+3digits)100mA÷999mA 1mA ±(3%ofreading+3digits)1.00A÷19.99A 0.01A ±(3%ofreading+3digits)
Inputresistance 100ΩMaximuminputcurrent 30mA(=30A∞currentclampwithratio1000:1)Measurementprinciple currentclamp,ratio1000:1Nominalfrequency 40Hz÷500HzGeneral dataPowersupplyvoltage 6x1.5Vbatteryorrechargeablebattery,sizeAAOperation typical20hOvervoltagecategory 50VCATIVProtectionclassification doubleinsulationPollutiondegree 2Protectiondegree IP40Display 128x64dotsmatrixdisplaywithbacklightCommunicationtransferspeed 115200baud(RS232)/256000baud(USB)Memmory 1900measurementsDimensions(wxhxd) 14cmx8cmx23cmWeightwithoutbatterycells 0,85kg