YOKOGAWA EY200 User manual

IM EY200-JA: Japanese

IM EY200-EN: English

5th Edition: Feb. 2018 (KYOU)

この取扱説明書は，いつでも使用できるよう大切に

保管してください。

Store this manual in a safe place for future reference.

Model EY200

ディジタル接地抵抗計

Digital Earth Tester

User’s

Manual

保証書付

Introduction

ThankyouforpurchasingourClamp-onProcessMeter.

Thefollowingmanuals,includingthisone,areprovidedasmanuals

fortheEY200.

Readthemalongwiththismanual.

IMEY200-EN  Thismanual

IMCROHS-EY200  DocumentforChina

IMEY200-93Z2  DocumentforKorea

ContactinformationofYokogawaofficesworldwideisprovidedon

thefollowingsheet.

PIM113-01Z2 Inquiries (Listofworldwidecontacts)

Contents

Introduction....................................................................................................................21

1.SafetyPrecautions...............................................................................................23

2.Features......................................................................................................................26

3.Speciﬁcations...........................................................................................................27

4.Components..............................................................................................................30

5.PreparationforMeasurement....................................................................31

5-1BatteryVoltageCheck............................................................................31

5-2ConnectingTestProbes.........................................................................31

6.OperatingInstructions.....................................................................................31

6-1PrincipleofMeasurement.....................................................................31

6-2PreciseMeasurement...............................................................................32

6-3SimpliﬁedMeasurement........................................................................33

7.BatteryReplacement........................................................................................36

8.NotesonHousingCase&Accessories...............................................37

8-1CaseLid..............................................................................................................37

8-2HowtoFitStrapBelt..............................................................................37

9.BeforeSendingforService/Calibrationcycle............................38

10.SalesinEachCountryorRegion............................................................39

1. Safety Precautions

Thisproductisdesignedtobeusedbyapersonwithspecialized

knowledge.

Whenoperatingtheinstrument, besuretoobservethe

cautionarynotesgivenbelowtoensurecorrectandsafeuseofthe

instrument.If youuse theinstrumentinanywayotherthanas

instructedinthismanual,theinstrumentsprotectivemeasures

maybeimpaired.

This manualisanessentialpartoftheproduct;keepitasafe

placeforfuturereference.

YOKOGAWAisbynomeansliableforanydamageresultingfrom

useoftheinstrumentincontradictiontothesecautionarynotes.

#WARNING Indicatesa hazard thatmayresultintheloss

oflifeorseriousinjuryof the userunlessthe

describedinstructionisabidedby.

#CAUTION

Indicatesahazardthatmayresult in aninjury

totheuserand/orphysicaldamage to the

productorotherequipmentunlessthe described

instructionisabidedby.

The following safety symbols are used on the instrument and in this

manual.

#Danger! Handle with Care.

Thissymbolindicatesthattheoperatormustrefertoan

explanationintheUsersManualinordertoavoidriskof

injuryordeathofpersonnelordamagetotheinstrument.

Double Insulation

Thissymbolindicatesdoubleinsulation.

Earth TERMINAL

Thissymbolindicatesground.

Measurement Category

#WARNING

TheinstrumentisdesignedformeasurementcategoryIII.

Donotusetheinstrumentfor measurements inlocationsfalling

thatfallundermeasurementcategoryIV.

Measurement

category

Description Remarks

(None,Other)

Othercircuitsthatarenot

directlyconnecttoMEAINS.

Circuitsnot

connectedtoa

mainspowersource.

CATII Formeasurementpreformedon

circuitsdirectlyconnectedtothe

low-voltageinstallation.

Appliances,

portableequipment,

etc.

CATIII Formeasurementpreformedin

thebuildinginstallation. Distributionboard,

circuitbreaker,etc.

CATIV Formeasurementpreformed

atthesourceofthelow-voltage

installation.

Overheadwire,

cablesystems,etc.



#WARNING

•Donotusethetestleads (98074) forvoltagesexceeding33

Vrms,46VACpeakor70VDC.

•Whenmeasuring"earthvoltage",usethe2Ptestleads(98075)

andthesafetyalligatorclips(CATIII).The2Ptestleadswhen

usedtogetherwiththetestprobefallundercategoryII.

•Donotusethetestleads when thetestprobesorthesafety

alligatorclipsareloose.

Donotusethetestleadswithoutthetestprobesorthesafety

alligatorclips.

#WARNING

•This instrument isaearthtesterthatcanmeasureearth

resistance(earthvoltage).

Donotusethisinstrumentforotherpurpose.

•Donotusetheinstrumentifthereisaproblemwithitsphysical

appearance.

•Usethetestleadssupplied by YOKOGAWAwiththis

instrument.

•Make surethattherangeselectorswitchis set toadesired

positionbeforemakingmeasurement.

•Donotmakemeasurementinthepresenceofﬂammablegasses.

Otherwise,theuseofthemay cause sparkling,whichleadsto

anexplosion.

•Never attempt toconnectthetestprobeifthe instrument or

yourhandiswet.

•Donotapplyanelectricalquantityexceedingtheallowablelimit

ofameasuringrange.

•Never openthebatterycompartmentcoverwhilemaking

measurement.

•Neverattempttomakemeasurement, if anyabnormal

conditionsarenoted,suchasbroken case, crackedtestprobe

andexposedmetalparts.

•Neverturntherangeselectorswitchwithtestprobeconnected

totheequipmentundertest.

•

Donotreplacebatterieswhenthesurfaceoftheinstrumentiswet.

•AlwayssettherangeswitchtotheOFFpositionbeforeopening

thebatterycompartmentcoverforbatteryreplacement.

•OnlyYokogawaservicepersonnelareauthorizedtoremove

thecasingordisassembleormodify the instrument. Do

notattempttorepairtheinstrument yourself, asdoingsois

extremelydangerous.Whentheinstrument needs aninternal

inspectionorcalibration,contactYokogawaorthedealerfrom

whomyoupurchasedtheinstrument.

#CAUTION

Theinstrumentisfordomesticuse (Class B)andmeetsthe

electromagneticcompatibilityrequirements.

#CAUTION

•Make surethatthetestprobesaresecurely connected tothe

terminaloftheinstrument.

•Besure to settherangeselectorswitchtothe OFF position

afteruse.

Whentheinstrumentwillnotbeinuseforalongperiodoftime,

placeitinstorageafterremovingthebatteries.

•Donotexposethe instrument tothedirectsun,extreme

temperatureandhumidityordewfall.

•Useadampclothsoakedinwateror neutral detergentfor

cleaningtheinstrument.

Donotuseabrasivesorsolvents.

•Whentheinstrumentiswet,makesureto let it drybefore

puttingitinstorage.

2. Features

ModelEY200isanearthresistance tester fortestingpower

distributionlines,in-housewiringsystem,electricalappliancesetc.

Italsohasanearthvoltagerangeforearthvoltagemeasurement.

•DesignedtosafetystandardIEC61557.

•ReferencetoIEC60529:Degrees of protectionprovidedby

enclosures(IP54).

Measurement canbemadeevenunderadverseweather

conditions.

•Large,easy-to-readLCDdigitaldisplay.

•2PTestleads(forsimpliﬁedmeasurement)hasastructurethat

boththeSafetyalligatorclipandtheTestprobeareavailable.

•Warnswhenearthresistanceofauxiliaryearthspikesexceeds

thepermissiblelimit.

•Convenientcarryingsoftbagforaccessoriesetc.

3. Specifications

Measuring Range and Accuracy (at23±5℃,RH75%orless)

Range

Measuring Range

Accuracy

Earthvoltage

˜V*

0to199.9V

±(1.0%rdg+4dgt)

Earth

Resistance

20Ω

0to19.99Ω

±(2.0%rdg+0.1Ω)(0to19.99Ω)

±(2.0%rdg+3dgt)(20Ωormore)

(Auxiliaryearthresistance100Ω±5%)

200Ω

0to199.9Ω

2000Ω

0to1999Ω

*˜VRange=Earthvoltage(Seriesinterferencevoltage)

EMC Standards

EN61326-1ClassB,EN61326-2-2,

EN55011ClassBGroup1

EMCRegulatoryArrangementinAustraliaandNewZealand

KoreaElectromagneticConformityStandard

( 한국 전자파적합성기준 )

RFﬁeldstrength=≤1V/m,totalaccuracy:speciﬁedaccuracy

RFﬁeldstrength=3V/m,totalaccuracy:speciﬁed accuracy

+5%ofrange

Safety Standards

EN61010-1,EN61010-2-030

MeasurementcategoryIII(CATIII)300V

Indooruse,Altitude2000morless,Pollutiondegree2

EN61010-031

Standards

CompliantwithEN61557-1,EN61557-5,IEC60529(IP54)

Environmental standard

EN50581

Monitoringandcontrolinstrumentsincludingindustrial

monitoringandcontrolinstruments

Measuring Method

Earthvoltagemeasurement*

Meanvalue

Earthresistancemeasurement

Constantcurrentinverter

Measuringcurrent: Approx.AC3mA(at20Ωrange)

Frequency: Approx.820Hz

Maximum Operating Error

Operatingerror(B)isanerrorobtainedwithin the rated

operatingconditions,andcalculatedwiththe intrinsic error

(A),whichisanerroroftheinstrumentused,andtheerror(Ei)

duetovariations.

B=±(

｜

+1.15(E12+E22+E32+E42+E52+E72+E82))

 A :Intrinsicerror

E

1 :Variationduetochangingtheposition

E

2 :Variationduetochangingthesupplyvoltage

E

3 :Variationduetochangingthetemperature

E

4 :Variationduetoseriesinterferencevoltage

E

5 :Variationduetoresistanceoftheprobesand

auxiliaryearthelectroderesistance

E

7 :Variationduetochangingthesystemfrequency

E

8 :Variationduetochangingthesystemvoltage

Range to keep the maximum operating error

Measurementrangewithin which themaximumoperating

error(±30%)applies.

20Ωrange: 5to19.99Ω

200Ωrange: 20to199.9Ω

2000Ωrange:200to1999Ω

Battery life

Number of measurement:3300timesormore(Measure10

Ωfor5secon20Ω range andtakeapausefor25sec/using

manganesebatteries)

Operating Temperature and Humidity

0to40℃ ,relativehumidity85%orless(nocondensation)

Storage Temperature and Humidity

-20to60℃ ,relativehumidity75%orless(nocondensation)

Power Source

9VDC:Six(6)1.5Vmanganesebatteries(R6P,AA-size)or

 Six(6)1.5Valkalinebatteries(LR6,AA-size)

Overload Protection

Earthvoltageranges:300VAC(1minute)

Earthresistanceranges:280VAC(10seconds)(betweenE

andP,EandCterminals)

Insulation Resistance

5MΩormoreat500Vbetweentheelectricalcircuitandthe

housingcase

Dielectric Strength (Withstand Voltage)

3700V ACforoneminutebetweentheelectrical circuit and

thehousingcase

Dimensions

Approx.105(L)158(W)70(D)mm

Weight

Approx.550g(includingbatteries)

Accessories

Product Name Model No. Quantity

TestLeads

(Red20m,Yellow10m,Green5m) 98074 1set

AuxiliaryEarthSpikes 98070 2

2PTestLeads

(Red,Black/Green) 98075 1set

SoftCase 93041 1

ShoulderStrap(forEY200) 99018 1

UsersManual(Japanese/English) 1

BatteriesR6P 6

*NamePlateinEnglish(PartNo.L4058EA)

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