Extech Instruments PH210 Manual

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PH210-en-GB_v1.3 11/14

MeasuringpH

Important:Electrodesandtemperatureprobesshouldalwaysberinsedbeforeandbetweensamples

withdistilledwatertoremovealltracesofstoragesolution,processmedia,orprevioustestsolution.

1. ConnectthepHelectrodetothemeter(BNCconnectionatbottomofmeter).

2. Optionallyconnectthetemperatureprobe(Extechmodel850188only)tothejackatthe

bottomofthemeter.Thistemperatureprobeisusedforautomatictemperature

compensation(ATC).Manualtemperaturecompensationispossibleasexplainedbelow.

3. TurnthemeteronusingthePOWER/ESCbutton.

4. PressandholdtheFUNCTIONbuttontoselectpHunitsifnecessary.Theunitofmeasure

appearsontheLCD(pH).

5. Tochangethesolutiontemperatureunits(

C/

F)refertotheTemperatureUnitsSelection

sectionofthisguide.

6. RinsethepHelectrodeandtemperatureprobewithdistilledwater.

7. Placetheelectrodeandtemperatureprobe(ifATCistobeused)inthesolution.Allow30

secondsfortheelectrodeandATCprobetoreachthermalequilibriumwiththebuffer

solution.RefertotheTemperatureCompensationsectionformoreinformationon

AutomaticandManualTemperatureCompensation.

8. Afterthemeasurementstabilizes,viewthepHreadingandtemperaturesolution

temperatureonthedisplay.

9. Whenthetestiscompleterinsetheelectrodeandprobewithdistilledwater.

10. Storeelectrodesandprobeswhennotinuseaccordingtomanufacturer’srequirements.

MeasuringmV(ORP:OxidationReductionPotential)

Important:Electrodesandtemperatureprobesshouldalwaysberinsedbeforeandbetweensamples

withdistilledwatertoremovealltracesofstoragesolution,processmedia,orprevioustestsolution.

1. ConnecttheORPelectrodetothemeter(BNCconnectionatbottomofmeter).

2. Optionallyconnectthetemperatureprobe(Extechmodel850188only)tothejackatthe

bottomofthemeter.Thistemperatureprobeisusedforautomatictemperature

compensation(ATC)purposes.Manualcompensationispossibleasexplainedbelow.

3. TurnthemeteronusingthePOWER/ESCbutton.

4. PressandholdtheFUNCTIONbuttontoselectmVunitsifnecessary.Theunitofmeasure

appearsontheLCD(mVorpH).

5. Tochangethesolutiontemperatureunits(

C/

F)refertotheTemperatureUnitsSelection

sectionofthisguide.

6. RinsetheORPelectrodeandATCprobe(ifbeingused)withdistilledordeionizedwater.

7. PlacetheelectrodeandATCprobe(ifbeingused)inthesolution.Allow30secondsforthe

ORPelectrodeandATCprobetoreachthermalequilibriumwiththebuffersolution.Refer

totheTemperatureCompensationsectionformoreinformationonAutomaticandManual

TemperatureCompensation.

8. Afterthemeasurementstabilizes,viewtheORPreadinginmVonthemaindisplay.

9. Whenthetestiscompleterinsetheelectrodeandprobewithdistilledwater.

10. Storeelectrodesandprobeswhennotinuseaccordingtomanufacturer’srequirements.