Extech Instruments EC210 Manual de usuario

UserGuide



ConductivityMeter



ModelEC210

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EC210-en-GB_V1.1 11/14

Introduction

ThankyouforselectingtheExtechEC210conductivitymeterwhichsimultaneouslydisplays

conductivityandTemperature.Conductivityismeasuredwitharemoteelectrodethatincludesa

thermistorformeasuringtemperature.Thisdeviceisshippedfullytestedandcalibratedand,with

properuse,willprovideyearsofreliableservice.Pleasevisitourwebsite(www.extech.com)to

checkforthelatestversionofthisUserGuide.

Features

Threeranges2000uS,20mS,and100mSwithautorangefunctionality

Conductivity,TDSandtemperaturemeasurementfunctions

Detachableprobeforeaseofuseinavarietyofmeasurementenvironments

Useradjustableautomatictemperaturecompensation(setto‘0’foruncompensated

Conductivitymeasurements)

Carbonrodelectrodetypeforlongevity

LCDdisplayshowsConductivityandTemperaturesimultaneously

DATAHOLDforholdingdisplayedreading

RecordandviewMINMAXreadings

ProgrammingmodeforselectingoC/oFtemperatureunits,enabling/disablingtheauto

poweroffutility,andprogrammingthetemperaturecompensationfunctionality

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EC210-en-GB_V1.1 11/14

MeterDescription



1. Mainmeasurementdisplay

2. Temperaturereading

3. Power/Escapebutton

4. Function/Hold/Uparrowbutton

5. Record/Enterbutton

6. Setting/downarrowbutton

7. Batterycompartment(rear)

8. Probeconnection

9. Probe



EC210-en-GB_V1.1 11/14

ConductivityCalibration

1. ConnecttheConductivityelectrodetotheinputsocketatthebottomofthemeter.

2. SwitchthemeterONbypressingthePOWER/ESCbutton.

3. PrepareaConductivityStandardSolution(forexample,1.413uS).

4. Holdtheprobebyitshandleandimmersethesensingelectrodecompletelyinthe

standardsolution.Shake/stirthesensingelectrodetoallowtheelectrode’sinternalair

bubblestoescapefromthesensingelectrode.

5. PresstheHOLDbuttonandthedisplaywillshowtheHOLDicon.

6. PresstheRECbuttonandtheupperdisplayareawillshowCALandthelowerdisplayarea

willshowYES.Toabortatthispoint,simplywaitandthemeterwillreverttothenormal

operatingmode.

7. Tocontinue,presstheENTERbuttonandthedisplaywillshowtheConductivityreading,

themeasurementunit,and,shortlyafter,theflashingCALicon.Notethatthemeterwill

showENDiftheelectrodedoesnotdetectanappropriatesolutionvalue.

8. WhiletheCALiconisflashingusethearrowbuttonstoadjustthedisplayedConductivity

readingtomatchtheConductivityvalueofthesolution.

9. AfterafewsecondsthemeterwilldisplayEND.Calibrationiscomplete.

ConductivityMeasurements

MeasurementPreparation

Beforetakingmeasurements,performthecalibrationdescribedaboveifnecessary.

TakingConductivityMeasurements

1. Connecttheelectrodetotheprobeinputsocket.

2. SwitchthemeterONbypressingthePOWER/ESCbutton.

3. IfthedisplaydoesnotshowConductivityunits(uSormS),pressandholdtheFUNCTION

buttonuntiltheConductivityunitsaredisplayed.

4. Thelowerdisplaywillindicatethetemperaturevalue.

5. Theupperdisplayshowstheconductivityvalue.

6. Holdtheelectrodeinhandandfullyimmersethesensingheadinthestandardsolution.

7. Theupperdisplaywillshowtheconductivityvalueofthemeasuredsolution.Thebottom

displaywillshowthetemperaturevalueofthemeasuredsolution.

8. Rinsetheprobewithdistilledwateraftereachuse.

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EC210-en-GB_V1.1 11/14

TDSMeasurements

1. Connecttheelectrodetotheprobeinputsocketatthebottomofthemeter.Immersethe

probeinthemeasurementsolution.

2. SwitchthemeterONbypressingthePOWER/ESCbutton.PressandholdtheFUNCTION

buttonuntiltheppmunitsaredisplayed.

3. Thelowerdisplayshowsthetemperaturevalue.

4. TheupperdisplayindicatestheTDSvalue(measuredinppm).

5. Holdtheelectrodeinhandandfullyimmersethesensingheadinthestandardsolution

6. Theupperdisplaywillshowtheppmvalueofthemeasuredsolution.Thebottomdisplay

willshowthetemperaturevalueofthemeasuredsolution.

7. Rinsetheprobewithdistilledwateraftereachuse.

8. PressandholdtheFUNCTIONbuttonforatleast2secondstoreturntotheconductivity

measurementmode.



SolutionTemperature

Thelowerdisplayindicatesthetemperatureofthemeasuredsolution.RefertotheSetupMode

sectionforinstructionsonselectingoC/oFtemperatureunitsandforadjustingtheautomatic

temperaturecompensation.



DataHold

PresstheFunction/Holdkeytofreezethedisplayedvalue.TheLCDwilldisplayHOLDalongwith

theheldreading.PresstheHoldkeyagaintoreleasethedataholdfunction.



MIN‐MAXDataRecording

Whenselected,theDataRecordingfunctionrecordstheMinandMaxreadings:

1. PresstheRECbuttononce.TheRECindicatorwillappearonthedisplay.PressRECbutton

onceagainandRECMAXwilldisplayonthescreenalongwiththemaximumvalue.

2. PressRECagainandthedisplaywillshowRECMINandtheminimumvaluewillbe

displayed.

3. ToreleasetheheldMAXorMINreading,presstheHOLDbuttonwhileeithertheRECMAX

orRECMINiconsarevisible;nowonlytheRECiconwillbevisible.Themeterisnow

continuingtomonitorthehighest(MAX)andlowest(MIN)readingsbutisdisplayingreal

timemeasurements.ToviewtheMAXandMINvaluesagainusetheRECbuttonas

describedearlier.

4. ToexittheRecordmode,pressandholdtheRECbuttonforatleast2seconds.Thedisplay

willreturntothenormaloperatingmode.

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EC210-en-GB_V1.1 11/14

Setupmode

Note:IftheHOLDorMIN/MAXfunctionsareactivetheSetupmodecannotbeaccessed.



ToentertheSetupModepressandholdtheSETTINGbuttonforatleast5seconds(untilthebeep

isheard)andthenusetheSETTINGbuttontoscrollthroughthesetupoptions.Theoptionsare:

SEtAutomatictemperaturecompensationpercentage;settablefrom0.00to5.00%per°C

(thedefaultis2.00%).Setto0.00%totakeuncompensatedConductivitymeasurements.

Whenpoweriscycledthisparameterwillreverttothedefault2.00%

°C/FSelectthetemperatureunits(°C°F)

OFF/ONAutopoweroffdisable/enable



Continuewiththeinstructionsbelow:



TemperatureCompensationPercentSetting(SEt)

WhenthedisplayshowsSEtpressENTER.SEtwillflashandtheupperdisplaywillshowthe

temperaturecompensationpercent.Usethe▲and ▼buttonstosetthedesired

temperaturecompensationpercentage.Afterselectingthedesiredvalue,pressENTERto

savethedata.Thedisplaynowshowsthetemperatureunits.Continuebelow:

TemperatureUnitsSelect

ThelowerdisplayshowsCorF.Usethe▲buttontoselectthedesiredunitofmeasureand

thenpressENTERtosave.ThelowerdisplayshouldnowshowOFFYESorNO.Continue

below:

AutoPowerOFFEnable/Disable

ThedisplaywillshowOFFYESorOFFNO.Usethe▲buttontoselectYESorNO.

YES:AutopowerOFFisenabled(meterswitchesoffautomaticallyafter10minutes)

NO:AutopowerOFFisdisabled

PressENTERtosavetheselection.Themeterwillreturntothenormaloperatingmode.



EC210-en-GB_V1.1 11/14

BatteryReplacement

The9Vbatterythatpowerstheinstrumentrequiresreplacingwhenthebatteryiconflasheson

thedisplay.Toreplacethebatteryfollowthestepsbelow:

1. Disconnecttheprobefromtheinstrument.

2. OpentherearbatterycompartmentusingascrewdrivertoremovethetwoPhillipshead

screwsthatsecurethecompartment.

3. Carefullyremovetheoldbatteryfromthecompartmentlidchamberandgentlyunsnap

thebattery’sterminalsfromthewired(red/black)connectors.

4. Installanew9Vbatterybysnappingthebatteryterminalsontothewiredconnectors

(observingcorrectpolarity)andinsertingthebatteryintothecompartmentlidchamber.

5. Installthecompartmentlidchamberintothemeterhousingandsecurewiththetwo

screws.



Neverdisposeofusedbatteriesorrechargeablebatteriesinhouseholdwaste.

Asconsumers,usersarelegallyrequiredtotakeusedbatteriestoappropriate

collectionsites,theretailstorewherethebatterieswerepurchased,orwherever

batteriesaresold.

Disposal:Donotdisposeofthisinstrumentinhouseholdwaste.Theuserisobligatedtotake

end‐of‐lifedevicestoadesignatedcollectionpointforthedisposalofelectricalandelectronic

equipment.



EC210-en-GB_V1.1 11/14

Specifications

GeneralSpecifications

CircuitCustomone‐chipLSImicroprocessorcircuit

DisplayDualfunctionLCD

Dimensions:44mmX29mm(1.73x1.14”)

MeasurementsConductivity,TDS,Temperature

DataholdDataholdfreezesdisplayedreading

MemoryrecallMin/Maxreadingsstoreandrecall

AutopoweroffMeterswitchesoffafter10minutes(canbedisabled)

Samplerate1second(approx.)

OperatingconditionsTemperature:0to50°C(32to122°F);Humidity:<80%RH

Batterypower9Valkalinebattery

PowerConsumptionApprox.6.0mADC

Weight295g(0.65lbs.)includingbatteries&probe

DimensionsMeter:135x60x33mm(5.3x2.4x1.3")

Probe:22mm(0.87”)diameterx120mm(4.72”)length



ElectricalSpecifications

MeasurementRangeResolutionAccuracy

Conductivity20.00mS/100.0mS/2000uS0.01mS/0.1mS/1uS+(2%FS+1dgt)

TDS1,200/12,000/66,000ppm1/10/100ppm+(2%FS+1dgt)

Automatic

Temperature

Compensation

range

0to50oC(32to122oF)



Allrightsreservedincludingtherightofreproductioninwholeorinpartinanyform

www.extech.com





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