type ms01...5 about the operating instructions 1.4 definition of the word "büs" the word "büs"...

Operating Instructions

TypeMS01

pH sensor cube

We reserve the right to make technical changes without notice.Technische Änderungen vorbehalten.Sous réserve de modifications techniques.

© Bürkert SAS, 2014

Operating Instructions 1409/0_EU-ML 00566496 Original EN

1

Contents

1 AbouttheoperAtinginstructions...........................................................................................................................4

1.1 symbolsused..........................................................................................................................................................................4

1.2 Definitionoftheword"product"....................................................................................................................................4

1.3 Definitionoftheword"system"......................................................................................................................................4

1.4 Definitionoftheword"büs".............................................................................................................................................5

2 intenDeDuse....................................................................................................................................................................................5

3 bAsicsAfetyinformAtion....................................................................................................................................................6

4 generAlinformAtion................................................................................................................................................................7

4.1 contact........................................................................................................................................................................................7

4.2 Warrantyconditions..............................................................................................................................................................7

4.3 informationsontheinternet............................................................................................................................................7

5 Description.......................................................................................................................................................................................8

6 technicAlDAtA................................................................................................................................................................................9

6.1 conditionsofuse...................................................................................................................................................................9

6.2 conformitytostandardsanddirectives....................................................................................................................9

6.3 materialstheproductismadeof..................................................................................................................................9

6.4 fluiddata....................................................................................................................................................................................9

6.5 measurementdata.............................................................................................................................................................10

6.6 electricaldata.......................................................................................................................................................................10

6.7 communication....................................................................................................................................................................10

7 instAllAtion...................................................................................................................................................................................11

7.1 safetyinstructions.............................................................................................................................................................11

7.2 mountingtheproductonthebackplane................................................................................................................11

8 ADjustmentAnDoperAtion..............................................................................................................................................12


8.2 howtoadjusttheproduct.............................................................................................................................................12

8.3 Adjustmentsthatmustbedone.................................................................................................................................13

8.4 generalinformationonthedisplaysoftwaretypeme21..............................................................................13

Type MS01

English

2

Contents

8.5 "Device"viewoftheproduct.........................................................................................................................................14

8.6 "function"viewoftheproduct.....................................................................................................................................15

8.7 Detailedviewsofthebüsfunction...........................................................................................................................16

8.8 "parameter"viewofthesensor...................................................................................................................................17

8.8.1 Configuringthetriggeringofthewarnings...................................................................................17

8.8.2 Configuringthetriggeringoftheerrors........................................................................................18

8.9 "Diagnosis"viewofthesensor....................................................................................................................................18

8.10 "maintenance"viewofthesensor..............................................................................................................................19

8.10.1 CalibratingtheoffsetvalueoftheISFETsensor.........................................................................19

8.10.2 Calibratingtheoffsetand/orslopevaluesofthepHsensor....................................................21

8.10.3 Doinga1pointcalibrationprocedureofthepHsensor...........................................................22

8.10.4 Doinga2pointcalibrationprocedureofthepHsensor...........................................................23

8.10.5 Adjustingtheoffsetvalueofthetemperature..............................................................................27

8.10.6 Simulatingsomedata........................................................................................................................27

8.10.7 Readingthedateofthelastcalibration........................................................................................27

8.10.8 Readingthedateofthenextduecalibration...............................................................................27

8.10.9 Settingthetimeintervalbetweentwocalibrations.....................................................................27

9 mAintenAnceAnDtroubleshooting.......................................................................................................................28


9.2 cleaningoftheproduct...................................................................................................................................................28

9.3 replacingtheexternalreferenceelectrode.........................................................................................................28

9.4 troubleshoutingifnomessageisdisplayed.......................................................................................................29

9.5 troubleshootingifthestatusleDoftheproductisredororange........................................................30

9.5.1 Message"Toohighleakagecurrent".............................................................................................30

9.5.2 Message"Toolowleakagecurrent"...............................................................................................31

9.5.3 Message"ToohighpHvalue".........................................................................................................31

9.5.4 Message"ToolowpHvalue"...........................................................................................................32

9.5.5 Message"Toohightemperaturevalue".........................................................................................33

9.5.6 Message"Toolowtemperaturevalue"..........................................................................................33

9.5.7 Message"Toohighreferenceimpedance"...................................................................................34

9.5.8 Message"Toolowreferenceimpedance"....................................................................................35

10 spArepArtsAnDAccessories......................................................................................................................................36

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11 pAckAging,trAnsport..........................................................................................................................................................36

12 storAge..............................................................................................................................................................................................36

12.1 tostoretheproductforamaximumof4days..................................................................................................36

12.2 tostoretheproductformorethan4daysandlessthan1month.........................................................37

12.3 tostoretheproductforamorethan1month...................................................................................................37

12.4 Afterstorage..........................................................................................................................................................................37

13 DisposAloftheproDuct..................................................................................................................................................37

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Type MS01

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AbouttheOperatingInstructions

1 AbouT The operATing inSTrucTionSTheOperatingInstructionsdescribetheentirelifecycleoftheproduct.PleasekeeptheOperatingInstructionsinasafeplace,accessibletoallusersandanynewowners.

theoperatinginstructionscontainimportantsafetyinformation.

Failuretocomplywiththeseinstructionscanleadtohazardoussituations.

▶ TheOperatingInstructionsmustbereadandunderstood.

1.1 Symbols used

danger

Warnsagainstanimminentdanger.

▶ Failuretoobservethiswarningcanresultindeathorinseriousinjury.

Warning

Warnsagainstapotentiallydangeroussituation.

▶ Failuretoobservethiswarningcanresultinseriousinjuryorevendeath.

attention

Warnsagainstapossiblerisk.

▶ Failuretoobservethiswarningcanresultinsubstantialorminorinjuries.

note

Warnsagainstmaterialdamage.

▶ Failuretoobservethiswarningmayresultindamagetotheproductorsystem.

Indicatesadditionalinformation,adviceorimportantrecommendations.

ReferstoinformationcontainedintheOperatingInstructionsorinotherdocuments.

▶ Indicatesaninstructiontobecarriedouttoavoidadanger,awarningorapossiblerisk.

→ Indicatesaproceduretobecarriedout.

» Indicatestheresultofaspecificinstruction.

1.2 Definition of the word "product"

Theword"product"usedwithintheseOperatingInstructionsalwaysreferstothepHsensorcubetypeMS01.

1.3 Definition of the word "system"

Theword"system"usedwithintheseOperatingInstructionsalwaysreferstotheOnlineAnalysisSystemtype8905.

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Type MS01

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AbouttheOperatingInstructions

1.4 Definition of the word "büS"

Theword"büS"usedwithintheseOperatingInstructionsalwaysreferstothefieldbusdeveloppedbyBürkert.

2 inTenDeD uSe

useofthisproductthatdoesnotcomplywiththeinstructionscouldpresentriskstopeople,nearbyinstallationsandtheenvironment.

▶ TheproductisintendedsolelyforthemeasurementofthepHinwaterwithina8905system.▶ Thisproductmustbeprotectedagainstelectromagneticinterference,ultravioletraysand,wheninstalledoutdoors,theeffectsofclimaticconditions.

▶ ThisproductmustbeusedincompliancewiththecharacteristicsandcommissioninganduseconditionsspecifiedinthecontractualdocumentsandintheOperatingInstructions.

▶ Requirementsforthesafeandproperoperationoftheproductarepropertransport,storageandinstallation,aswellascarefuloperationandmaintenance.

▶ Onlyusetheproductasintended.

▶ Observeanyexistingrestraintswhentheproductisexported.

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Type MS01

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Basicsafetyinformation

3 bASic SAfeTy inforMATionThissafetyinformationdoesnottakeintoaccount:

• anycontingenciesoroccurrencesthatmayariseduringassembly,useandmaintenanceoftheproduct.

• thelocalsafetyregulationsthattheoperatormustensurethestaffinchargeofinstallationandmaintenanceobserve.

Variousdangeroussituations.

Toavoidinjurytakecare:

▶ topreventanyunintentionalpowersupplyswitch-on.

▶ tocarryouttheinstallationandmaintenanceworkbyqualifiedandskilledstaffwiththeappropriatetools.

▶ tousetheproductonlyifinperfectworkingorderandincompliancewiththeinstructionsprovidedintheseOperatingInstructions.

▶ toobservethegeneraltechnicalrulesduringtheplanninganduseoftheproduct.

▶ nottousethisproductinexplosiveatmospheres.

▶ nottousethisproductinanenvironmentincompatiblewiththematerialsfromwhichitismade.

▶ nottomakeanyexternalorinternalmodificationstotheproduct.

note

elements/componentssensitivetoelectrostaticdischarges

• Thisproductcontainselectroniccomponentssensitivetoelectrostaticdischarges.Theymaybedamagediftheyaretouchedbyanelectrostaticallychargedpersonorobject.Intheworstcasescenario,thesecompo-nentsareinstantlydestroyedorgooutoforderassoonastheyareactivated.

• Tominimiseorevenavoidalldamageduetoanelectrostaticdischarge,takealltheprecautionsdescribedintheEN61340-5-1norm.

• Alsoensurethatyoudonottouchanyoftheliveelectricalcomponents.

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Type MS01

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Generalinformation

4 generAl inforMATion

4.1 contact

Tocontactthemanufactureroftheproductusefollowingaddress:

BürkertSAS

RueduGiessen

BP21

F-67220TRIEMBACH-AU-VAL

TheaddressesofourinternationalbranchescanbefoundontheInternetat:www.burkert.com

4.2 Warranty conditions

TheconditiongoverningthelegalwarrantyistheconforminguseoftheproductinobservanceoftheoperatingconditionsspecifiedintheseOperatingInstructions.

4.3 informations on the internet

YoucanfindtheOperatingInstructionsandtechnicaldatasheetsregardingthetypeMS01at:www.burkert.com

English

Type MS01

http://burkert.comhttp://burkert.com

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Description

5 DeScripTionThepHsensorcubeisusedinthesystemtype8905.

Theelectricalandfluidconnectionsaremadeviathebackplaneofthesystemtype8905.

Leverto:

- lock/unlocktheproduct.

- carryoutmaintenanceoperations.

Unlockedposition

Lockedposition

Maintenanceposition

Push-buttonwithmea-suredprocessvariable

Fluidconnections

Electricalinterface

Pin

Adaptationpins

Housingoftheexternalreferenceelectrode

SensorcubestatusLED

Slotforthemicro-SIMcard

Fig. 1: Description of the product

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Type MS01

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Technicaldata

6 TechnicAl DATA

6.1 conditions of use

Ambienttemperature 0to+40°C

Airhumidity <90%,withoutcondensation

Protectionratingacc.toEN60529

• IP65,whenpluggedinthebackplane

• IP20,asstandaloneproduct

Max.heightabovesealevel 2000m

6.2 conformity to standards and directives

TheproductconformstotheCEdirectivesofthesystemtype8905,onlywhentheproducttypeMS01ispluggedinthesystemtype8905.

6.3 Materials the product is made of

part material

Housing PPE+PS

Seal EPDM

Lever PC

6.4 fluid data

• Typeoffluid

• pHvalue

• Water,withoutparticles:drinkingwater,industrialwater

• pH4to9Minimalflowrate 3l/h;recommended6l/h

Watersamplepressure PN6

Watersampletemperature 0to+40°C,notfreezing

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Type MS01

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Technicaldata

6.5 Measurement data

pHmeasurement

• Measuringrange

• Sensorresolution

• Measurementdeviation("measurementbias",asdefinedinthestandardJCGM200:2012)

• Linearity

• Repeatability

• Responsetime(t90)

• Measurementsensor

• Electrolyteoftheexternalreferenceelectrode

• pH4to9

• pH0.02

• pH±0.1

• pH±0.05

• pH±0.05

• <10s

• ISFET

• 3molKClTemperaturemeasurement

• Measuringrange

• Measurementsensor

• 0to50°C

• Pt1000ClassB,nocontactwiththewatersampleMaintenanceintervaloftheexternalreferenceelectrode 12months,nominal,dependingonthewaterquality

6.6 electrical data

Operatingvoltage 24VDCthroughthebackplaneofthesystemtype8905

Powerconsumption 0.8VA

6.7 communication

Internalcommunication throughbüS

ExternalcommunicationbystatusLED accordingtoNAMURNE107

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Type MS01

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Installation

7 inSTAllATion

7.1 Safety instructions

note

riskofdamagetotheproductduetonon-conforminginstallation.

• Theelectricalandfluidicinstallationscanonlybecarriedoutbyqualifiedandskilledstaffwiththeappropriatetools.

• Respecttheinstallationinstructionsforthesystem.

note

riskofdamagetotheproductduetothepowersupply

• Shutdownandisolatetheelectricalpowersourcebeforecarryingoutworkonthesystem.

note

riskofdamagetotheproductduetotheenvironment

• Protecttheproductagainstelectromagneticinterference,ultravioletraysand,wheninstalledoutdoors,theeffectsoftheclimaticconditions.

7.2 Mounting the product on the backplane

TheproductispluggedinthebackplaneofthesystemType8905.

4

3

3

1. Drythesurfaceofthebackplanethatwillbeincontactwiththeproduct.

2. Drythesurfaceoftheproduct.

3. Whilethepush-buttonispushed,turnthebayonetlevertotheright,

ontheunlockedposition,.Donotpushthelevertothemaintenanceposition.

4. Insertthetwoadaptationpinsintheirholesandthenplugtheproductinthebackplane.

5. Whilethepush-buttonispushed,turnthebayonetlevertotheleft,

onthelockedposition, .

Fig. 2: Mounting a product on the backplane of the system

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Type MS01

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Adjustmentandoperation

8 ADjuSTMenT AnD operATion


note

riskofdamagetotheproductduetonon-conformingadjustment.

• TheoperatorsinchargeofadjustmentmusthavereadandunderstoodthecontentsoftheseOperatingInstructions.

• TheoperatorsinchargeofadjustmentmusthavereadandunderstoodthecontentsoftheOperatingInstruc-tionsofthedisplaysoftwaretypeME21and/orthecontentsoftheOperatingInstructionsoftheBürkertCommunicatorsoftwaretype8920and/ortheOperatingInstructionsofthecontrollermoduletypeME25.

• Inparticular,observethesafetyrecommendationsandintendeduse.

• Theproduct/installationmustonlybeadjustedbysuitablytrainedstaff.

note

riskofdamagetotheproductduetonon-conformingcommissioning.

• Beforecommissioning,makesurethatthestaffinchargehavereadandfullyunderstoodthecontentsoftheseOperatingInstructions.


• Theproduct/theinstallationmustonlybecommissionedbysuitablytrainedstaff.

note

riskofdamagetotheproductduetonon-conformingoperation.

• TheoperatorsinchargeofoperationmusthavereadandunderstoodthecontentsoftheseOperatingInstructions.


• Theproduct/installationmustonlybeoperatedbysuitablytrainedstaff.

8.2 how to adjust the product

Theadjustmentoftheproductcanbemade:

• eitherwiththedisplayofthesystemtype8905.ThedisplayofthesystemismanagedbythesoftwaretypeME21.Seechap.8.4.

• orwithaPCandtheBürkertCommunicatorsoftwaretype8920.Togetgeneralinformationaboutthesoftwaretype8920,refertotheOperatingInstructionsofthetype8920.

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8.3 Adjustments that must be done

Dotheadjustments:

• aftertheproducthasbeeninstalledinthesystem.

• afterthefluidicandelectricalinstallationshavebeenmadeonthesystem.

• afterthetightnessofthesystemhasbeenchecked.

• afterthesystemhasoperatedforapolarizationtimeof12hours.

• Beforecommissioningtheproduct/systemforthefirsttimeandforthecorrectoperationoftheproductandofthesystem,dothefollowingadjustmentsfortheproduct:

- calibratetheoffsetvalueofthepHsensor(refertochap.8.10)or,

- calibratetheoffsetvalueandtheslopevalueofthepHsensor(refertochap.8.10).

• Beforecommissioningtheproduct/systemafteramaintenanceoperation(i.e.replacementoftheexternalref-erenceelectrodeorreplacementoftheISFETsensor),letthesystemoperateforapolarizationtimeof12hoursanddothefollowingadjustmentsfortheproduct:

- ifthepHsensorhasbeenreplaced,calibratetheoffsetvalueandtheslopevalueofthepHsensor(refertochap.8.10).

- iftheISFETsensorhasbeenreplaced,calibratetheoffsetvalueoftheISFETsensorandcalibratetheoffsetvalueandtheslopevalueofthepHsensor(refertochap.8.10).

• Calibratetheproducteverymonth.

8.4 general information on the display software type Me21

TheseOperatingInstructionsexplaintheadjustmentsthatarespecifictotheproducttypeMS01.

→ TogetgeneralinformationaboutthedisplaysoftwaretypeME21,refertotheOperatingInstructionsofthetypeME21thatisontheCDdeliveredwiththesystemandthatisalsoavailableatwww.burkert.com.

TheOperatingInstructionsofthedisplaysoftwaretypeME21:

• givegeneralinformationonthesoftware,suchas:descriptionoftheuserinterface,structureofthemenus,descriptionofthepossibleviews("Device"viewforexample),descriptionofthenavigationbuttons...

• explainhowtomakethegeneraladjustmentssuchas:thedisplaylanguage,thelocatingoftheproduct...

• explainhowtoconfigureandcustomizethe"Desktop"viewswithvaluesorgraphs.

• givegeneralinformationontheerrormessagesandtheoperatingofthesystemstatuslight.

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Type MS01

http://burkert.com

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8.5 "Device" view of the product

The"Device"viewshowssomeofthemeasurementdatarelatedtotheproduct.

→ Ifthedisplayshowsa"Desktop"view,tap toaccessthe"Device"view.

→ Todisplaythe"Device"viewoftheproduct,selecttheproductinthelistofdevicesontheleftofthedisplay.

Table 1: "Device" view of the product

Controller

5648300001

Device 5648300001

Location TreatmentunitNr1 Status N/A

pH pH7.00 pHvoltage 0.00V

Temperature 24.10°CBoardtemperature 26.20°C

Deviceview

HMIU

12.08.201416:55

pH

ListofdevicesthatareconnectedtothebüS

Thefollowingdatacanbereadfromthe"Device"viewoftheproduct:

• thedevicesthatareconnectedonthebüSwiththeir"Uniquedevicename".Bydefault,the"Uniquedevicename"isbuiltupwithtwonumbers:theordercodeoftheproduct(forexample564830,fortheproduct)andtheseriesnumber(0001,forexample).

• wheretheproductisgeographicallylocated.

• themeasuredvalueofthepHofthewatersample.

• themeasuredvalueofthepotentialdifference.

• themeasuredvalueofthetemperatureofthewatersample.

• themeasuredvalueofthetemperatureoftheinternalmeasurementboard.

→ Todisplaythe"Function"viewoftheproduct,tap .

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8.6 "function" view of the product

The"Function"viewshowsthefunctionsavailableforaproductand,foreachfunction,themaindatarelatedtoeachfunction.

Todisplaythe"Function"viewoftheproduct:

1. selecttheproductinthelistofdevices,ontheleftofthedisplay,

2. tap .

Table 2: "Function" view of the product

büS

function büS

Uniquedevicename 5648300001 Location TreatmentUnitNr1

Description Springwater

IsfetSensor5648300001 12.08.201416:55

pH Sensor

"function"viewofthebüs

→ Todisplaythe"Function"viewofthebüStheproductisconnectedto,select"büS"inthelistofdevicesontheleftofthedisplay.

→ Tap toaccessthe"Parameter"view.Seechap.8.7.

Sensor

function Sensor

Measurement pH7.00 pHvoltage 0.00V

Slope -55.00mV/pHOffset pH7.00

Temperature 24.10°COffset 0.00°C

IsfetSensor5648300001 12.08.201416:55

büS

pH

"function"viewofthesensor

→ Todisplaythe"Function"viewofthesensor,select"Sensor"inthelistofdevicesontheleftofthedisplay.

→ Tap toaccessthe"Parameter"view.Seechap.8.8.

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8.7 Detailed views of the büS function

Table 3: "Parameter" view of the "büS" function

parameter büS

BasicSettings UniqueDeviceName 5648300001

TreatmentUnitNr1

0

0

Location

Description

Physicalgroup

Logicalgroup

ISFETsensor5648300001 04.04.201412:21

Groupingsettings

"parameter"detailedviewofthebüs

Tosettheuser-specificdatafortheidentificationofthedeviceonthebüS:

• UniqueDeviceNameoftheproduct.

→ MakesureyouchooseauniquenamefortheproductbecausethebüSmustrecognizetheproduct.

→ Makesureyouchooseauniquenamethatisselfexplanatorytoidentifytheproductbecause,iftheuniquenameischanged,allthesettingsmadeonthebüSmustbechanged.

• Description

• Location

• Groupingsetting

Table 4: "Diagnosis" view of the "büS" function

Diagnosis büS

büSinformation Address 126

500kbit/s

ISFETsensor

564830

683328

A.00.02.42

A.01.00.00

Baudrate

Devicename

Identitynumber

Softwareidentitynumber

Softwareversion

Hardwareversion

ISFETsensor5648300001 04.04.201412:21

Deviceinformation

"Diagnosis"detailedviewofthebüs

ToreadsomebüSdataanddevicedata:

• Addressandbaudrate

• Devicenameanddeviceordercode(Identitynumber)

• Softwareandhardwareinformation

• InformationrelatingtotheTFT

• Devicedriverinformation

Nochangesbyuserarepossible.

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Table 5: "Maintenance" view of the "büS" function

Maintenance büS

Resettypes Device Reset

ISFETsensor5648300001 12:21:16"maintenance"detailedviewofthebüs

Restarttheproductforareset.

8.8 "parameter" view of the sensor

→ Inthe"Function"view,tap toaccessthe"Parameter"view.

parameter Sensor

Temperature Desiredunit °C

ON

2s

Measurement

Responsetime

Warnings

Errors

Messagestriggers

IsfetSensor5648300001 12:21:16

Referenceimpedance

Filter

The"Parameter"viewofthesensormakesitpossible:

• tochangetheunitsofthedisplayedtemperature.

• toselectwhethertheimpedanceofthereferenceelectrodeismeasuredornot.

• toenterthevalueoftheT10-90responsetimeforthemeasuredsignal.

• toconfigurethetriggeringofthewarnings,seechap.8.8.1.

• toconfigurethetriggeringoftheerrors,seechap.8.8.2.

Table 6: "Parameter" view of the sensor

8.8.1 configuring the triggering of the warnings

Thevaluesofsomeprocessvariablesandthevaluesofsomesensorcubevariablescanbemonitoredtodetectaproblemintheprocessoronthesensor.

ForthepHsensorcube,thefollowingvaluescanbemonitored:

• thepHofthewatersample,

• thetemperatureofthewatersample,

• theimpedanceofthereferenceelectrode,

• theleakagecurrentoftheISFETsensor.

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Procedure:

1. TapWarnings inthe"Parameter"viewofthesensor.

2. TapActivationflags inthe"SensorParameter"view.

3. Selecttheprocessvariablesandthesensorcubevaluestobemonitoredandvalidate.

4. Settheminimumand/ormaximumthresholdvalues.

Whentheparameteredthresholdvaluesarereachedandtheactivationflagoftherelatedprocessvariableor

sensorcubevalueisselected,awarningmessageisgeneratedinthe"MessagesList":tap toaccessthe"MessagesList".Seechap.9.4forthetroubleshootingdetails.

8.8.2 configuring the triggering of the errors

Thevaluesofsomeprocessvariablesandthevaluesofsomesensorcubevariablescanbemonitoredtodetectaproblemintheprocessorontheproduct.

ForthepHsensorcube,thefollowingvaluescanbemonitored:

• thepHofthewatersample,

• thetemperatureofthewatersample,

• theimpedanceofthereferenceelectrode,

• theleakagecurrentoftheISFETsensor.

Procedure:

1. Taperrors inthe"Parameter"viewofthesensor.

2. TapActivationflags inthe"Parameter"viewofthesensor.

3. Selecttheprocessvariablesandthesensorcubevaluestobemonitoredandvalidate.

4. Settheminimumand/ormaximumthresholdvalues.

Whentheparameteredthresholdvaluesarereachedandtheactivationflagoftherelatedprocessvariableor

sensorcubevalueisselected,anerrormessageisgeneratedinthe"MessagesList":tap toaccessthe"MessagesList".Seechap.9.4forthetroubleshootingdetails.

8.9 "Diagnosis" view of the sensor

The"Diagnosis"viewmakesitpossibletoreadthefollowingvalues:

• themeasuredvalueofthepHofthewatersample.

• themeasuredvalueofthepotentialdifference.

• thevalueoftheoffsetoftheISFETsensor,calculatedthroughcalibrationorenteredinthe"Maintenance"view.

• thevalueoftheslopeofthepHsensor,calculatedthroughcalibrationorenteredinthe"Maintenance"view.

• thevalueoftheoffsetofthepHsensor,calculatedthroughcalibrationorenteredinthe"Maintenance"view.

• themeasuredvalueofthewatersampletemperature.

• themeasuredimpedanceofthereferenceelectrode.

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• thetemperatureoffsetthathasbeenenteredinthe"Maintenance"viewofthesensor.

• themeasuredvalueofthetemperatureofthemeasurementboard.

• themeasuredvalueoftheISFETleakagecurrent.

• thetimetheproducthasalreadyoperated.

• thecalibrationlimitsoftheoffsetvalueoftheISFETsensor.

• thecalibrationlimitsoftheoffsetvalueofthepHsensor.

• thecalibrationlimitsoftheslopevalueofthepHsensor.

→ Fromthe"Parameter"viewofthesensor,tap toaccessthe"Diagnosis"view.

8.10 "Maintenance" view of the sensor

The"Maintenance"viewmakesitpossible:

• tomodifytheoffsetvalueoftheISFETsensor,

• tomodifytheoffsetvalueofthepHsensor,

• tomodifytheslopevalueofthepHsensor,

• toautomaticallycalibratethesensor,withthecalibrationwizard,

• tomodifytheoffsetvalueofthewatersampletemperature,

• tochecktheoperatingoftheproductbysimulatingsomedata,

• toreadthedateofthelastcalibration,

• toreadthedateofthenextduecalibration,

• tosetthenumberofdaysbetweentwocalibrations.

→ Fromthe"Parameter"viewofthesensor,tap toaccessthe"Maintenance"view.

8.10.1 calibrating the offset value of the iSfeT sensor

TheoffsetoftheISFETsensoriscalibratedinthefactory.

IftheISFETsensormustbereplacedbyanewone,thenewISFETsensormustbecalibrated.

→ IfyouknowtheoffsetvalueofthenewISFETsensor,gotothe"Maintenance"viewofthesensor,tapphcali-brationwizardisfetoffset andentertheoffsetvalueoftheISFETsensor.

→ IfyoudonotknowtheoffsetvalueofthenewISFETsensor,dothefollowingcalibrationprocedure.

1. Connectaperistalticpumpinthewatersampleinletcircuitofthesystem,asshowninFig.3.Ifthefluidicconnectionsarenotdonecorrectly,theproductandthesystemcanbedamagedbecausethepressureintheproductandinthesystemistoohigh.

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24 VDC

+-

OUT IN

Peristalticpump

Fig. 3: Installation for the calibration of the sensor in a system type 8905

2. Makesurethedirectionoftheflowiscorrect.

3. Makesurethefluidicinstallationforthecalibrationistight.

4. Letcleanwaterflowthroughthesystemtorinsetheproduct.

5. PrepareabuffersolutionwithapH7value.

6. Inthe"Maintenance"viewofthesensor,tapphcalibrationwizardZeroadjustment .

7. Step1/5:letthebuffersolutionflowthroughtheproduct.

8. Tap .

9. Step2/5:tapinputbuffervalue andenterthepHvalue7ofthebuffersolution.

10. Validate.

11. Tap .

12. Step3/5:whenthepHmeasurementisstable,tap .

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13. Step4/5:

• ifthecalibrationhassucceeded,thecalculatedoffsetvalueisdisplayed.Tap togotothestep5/5.

• ifanerrormessageisdisplayed,refertoTable7.

• ifawarningmessageisdisplayed,refertoTable8.

14. Step5/5:validateorcancelthecalibration.

Table 7: Error message at the end of the calibration of the ISFET sensor

Displayedmessage ComputedcalibrationvalueoutoferrorlimitssymboldisplayedontheuniqueDevicenameoftheproductpossiblecause Thesensorcalibrationhasfailedbecausethecalculatedoffsetvalueis

outoftheerrorrange.Whattodo? → SendtheproductbacktoBürkert.

Table 8: Warning message at the end of the calibration of the ISFET sensor

Displayedmessage ComputedcalibrationvalueoutofwarninglimitssymboldisplayedontheuniqueDevicenameoftheproductpossiblecause Thecalculatedoffsetvalueisoutofthewarningrangebecauseawrong

buffersolutionhasbeenusedforthecalibration.Whattodo? → Makesurethebuffersolutionusedisthecorrectone.

→ Ifitisnotthecorrectone,abortthecalibration,useacorrectbuffersolutionanddothecompletecalibrationprocedureagain.

→ Youcanchoosetoeithervalidateorcancelthecalibration.

• Ifyouvalidatethecalibration,thenewcalculatedoffsetvalueisusedtodeterminethepHvalue,andthelastcalibrationdateisupdated.

• Ifyoucancelthecalibration,thecurrentoffsetvalueisusedtodeterminethepHvalue,andthelastcalibrationdateisnotupdated.

8.10.2 calibrating the offset and/or slope values of the ph sensor

TomeasurepHvalueswithaslessdeviationaspossibleyoumustcalibratethepHsensor.

Thiscanbedone:

• eitherbyadjustingbyhandtheslopevalueand/ortheoffsetvalueofthepHsensor:inthe"Maintenance"viewofthesensor,tapphslope andenteraslopevalueand/ortapphoffset andenteranoffsetvalue.

• orbydoinga1pointcalibrationproceduretoautomaticallyadjusttheoffsetvalueofthepHsensor.Seechap.8.10.3.

• orbydoinga2pointcalibrationproceduretoautomaticallyadjusttheoffsetvalueandtheslopevalueofthepHsensor.Seechap.8.10.4.

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8.10.3 Doing a 1 point calibration procedure of the ph sensor

Dangerduetothenatureofthefluid

▶ Respecttheregulationsonaccidentpreventionandsafetyrelatingtotheuseofaggressivefluids.

Doa1pointcalibrationproceduretoautomaticallyadjusttheoffsetvalueofthepHsensor.

1. Connectaperistalticpumpinthewatersampleinletcircuitofthesystem,asshowninFig.3,chap.8.10.1.Ifthefluidicconnectionsarenotdonecorrectly,theproductandthesystemcanbedamagedbecausethepressureintheproductandinthesystemistoohigh.




5. PrepareabuffersolutionwithapHvalueascloseaspossibletothewatersampleandwithapHvaluethatiscompatiblewithallthesensorcubesofthesystem.

6. Inthe"Maintenance"viewofthesensor,tapphcalibrationwizard1point .

7. Step1/5:letthebuffersolutionflowthroughtheproduct.

8. Tap .

9. Step2/5:tapinputbuffervalue andenterthepHvalueofthebuffersolution.

10. Validate.

11. Tap .


13. Step4/5:

• ifthecalibrationhassucceeded,thecalculatedoffsetvalueisdisplayedandthedateofthelastcalibrationis

updated(seechap.8.10.7).Tap togotothestep5/5.




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Table 9: Error message at the end of the 1 point calibration of the pH sensor

Displayedmessage ComputedcalibrationvalueoutoferrorlimitssymboldisplayedontheuniqueDevicenameoftheproductpossiblecause Thesensorcalibrationhasfailedbecausethecalculatedoffsetvalueis

outoftheerrorrange.Whattodo? 1. Comparethecalculatedoffsetvaluewiththecalibrationlimitsthat

canbereadinthe"Diagnosis"view.

2. Replacetheexternalreferenceelectrodebyanewone.

3. Dothecalibrationagain.

4. Ifthecalibrationfailsagain,replacetheproductbyanewone.

Table 10: Warning message at the end of the 1 point calibration of the pH sensor

Displayedmessage ComputedcalibrationvalueoutofwarninglimitssymboldisplayedontheuniqueDevicenameoftheproductpossiblecause Thecalculatedoffsetvalueisoutofthewarningrangebecause:

• eitherawrongbuffersolutionhasbeenusedforthecalibration.

• ortheexternalreferenceelec-trodeisaging.

Whattodo? 1. Makesurethebuffersolutionusedisthecorrectone.

2. Ifitisnotthecorrectone,abortthecalibration.

3. Useacorrectbuffersolutionanddothecompletecali-brationprocedureagain.

→ Youcanchoosetoeitherval-idateorcancelthecalibration.

• Ifyouvalidatethecalibration,thenewcalculatedoffsetvalueisusedtodeterminethepHvalue,andthelastcalibrationdateisupdated.

• Ifyoucancelthecalibration,thecurrentoffsetvalueisusedtodeterminethepHvalue,andthelastcalibrationdateisnotupdated.

→ Plantoreplacetheexternalreferenceelectrode.

8.10.4 Doing a 2 point calibration procedure of the ph sensor

Dangerduetothenatureofthefluid


Doa2pointcalibrationproceduretoautomaticallyadjusttheoffsetvalueandtheslopevalueofthepHsensor.

1. Connectaperistalticpumpinthewatersampleinletcircuitofthesystem,asshowninFig.3,chap.8.10.1.Ifthefluidicconnectionsarenotdonecorrectly,theproductandthesystemcanbedamagedbecausethepressureintheproductandinthesystemistoohigh.


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5. PreparetwobuffersolutionswithpHvaluesthatarecompatiblewithallthesensorcubesofthesystem.

6. Inthe"Maintenance"viewofthesensor,tapphcalibrationwizard2point .

7. Step1/8:letthefirstbuffersolutionflowthroughtheproduct.

8. Tap .

9. Step2/8:tapinputvalueofbuffer1 andenterthepHvalueofthebuffersolution.

10. Tap tovalidate.

11. Tap .



14. Step4/8::letthesecondbuffersolutionflowthroughtheproduct.

15. Tap .

16. Step5/8:tapinputvalueofbuffer2 andenterthepHvalueofthebuffersolution.

17. Tap tovalidate.

18. Tap .


20. Step7/8:

• ifthecalibrationhassucceded,thecalculatedslopevalueandthecalculatedoffsetvaluearedisplayedandthe

dateofthelastcalibrationisupdated(seechap.8.10.7).Tap togotothestep8/8.



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Table 11: Error message at the end of the 2 point calibration of the pH sensor

Displayedmessage ComputedcalibrationvalueoutoferrorlimitssymboldisplayedontheuniqueDevicenameoftheproductpossiblecause Thesensorcalibrationhasfailedbecausethecalculatedoffsetvalue

and/orthecalculatedslopevalueareoutoftheerrorrange.

→ Comparethecalculatedoffsetvalueandthecalculatedslopevaluewiththecalibrationlimitsthatcanbereadinthe"Diagnosis"view.

• Iftheoffsetvalueisoutoftheerrorlimits:

• Iftheslopevalueisoutoftheerrorlimits:

Whattodo? 1. Replacetheexternalreferenceelectrodebyanewone.

2. Dothecalibrationagain.

3. Ifthecalibrationfailsagain,replacetheproductbyanewone.

→ SendtheproductbacktoBürkerttohavetheISFETsensorreplaced.

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Table 12: Warning message at the end of the 2 point calibration of the pH sensor

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8.10.5 Adjusting the offset value of the temperature

Thetemperaturemeasuredbythesensorcanbecorrectedwithanoffsetvalue.

1. Inthe"Maintenance"viewofthesensor,taptemperatureoffset andenterthevalueofthetem-peratureoffset,inthedisplayedtemperatureunits.

2. Tochangetheunitsofthetemperature,gotothe"Parameter"viewofthesensor,taptemperatureDesiredunit andchoosethetemperatureunits:theoffsetvalueofthetemperatureisautomaticallyconverted.

8.10.6 Simulating some data

Checktheoperating(forexample,makesurethewarningand/orerrorlimitsarecorrectlyset)oftheproductand/orprocessbysimulatingsomedata.

1. Inthe"Maintenance"viewofthesensor,tapsimulationstatus andchoose"ON"toactivatethesimulation.

2. Validate.

3. TosimulateapHvalue,tapsimulationph andenterthepHvaluetobesimulated.

4. Tosimulateatemperaturevalue,tapsimulationtemperature andenterthetemperaturevaluetobesimulated.

8.10.7 reading the date of the last calibration

Toreadthedateofthelastcalibrationthathassucceeded.

→ Inthe"Maintenance"viewofthesensor,readthedateinthefieldcalibrationschedulelastcalibration.

8.10.8 reading the date of the next due calibration

Toreadthedateofthenextcalibrationthatmustdone.

→ Inthe"Maintenance"viewofthesensor,readthedateinthefieldcalibrationschedulenextcalibration.

8.10.9 Setting the time interval between two calibrations

Tosetthetimeinterval,indays,betweentwocalibrations:

1. Inthe"Maintenance"viewofthesensor,tapcalibrationscheduleintervalindays .

1. Enterthenumberofdaysbetweentwocalibrations.Werecommendtocalibratetheproducteverymonth.

2. Validate.

Whentheduecalibrationdateisreached,awarningmessageisdisplayedintheMessagesList.

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Maintenanceandtroubleshooting

9 MAinTenAnce AnD TroubleShooTing


Warning

riskofinjuryduetonon-conformingmaintenance.

▶ Maintenancemustonlybecarriedoutbyqualifiedandskilledstaffwiththeappropriatetools.

note

riskofdamagetotheproductduetothepowersupply

• Shutdownandisolatetheelectricalpowersourcebeforecarryingoutworkonthesystem.

9.2 cleaning of the product

danger

riskofinjuryduetothenatureofthedetergent.


Theproductcanbecleanedwithaclothdampenedwithwater(max.40°C)orwithanaciddetergent(withmax.5%ofhydrochloricacid).

9.3 replacing the external reference electrode

TheexternalreferenceelectrodemustbereplacediftheerrorcalibrationlimitsfortheoffsetvalueofthepHsensorareexceeded.

Proceduretoreplacetheexternalreferenceelectrode:

1. RemovethepHsensorcubefromthesystemasdescribedintheOperatingIsntructionsofthesystemtype8905.

2. Liftthedropleverofthereferenceelectrodeandturnitbyaquarterturntotheleft.

Droplever

3. Pullthelevertoremovetheexternalreferenceelectrode.

4. Disposeoftheusedexternalreferenceelectrode.Keeptotheexistingprovisionsonthesubjectofwastedisposalandenvironmentalprotection.

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5. Ifnecessary,cleantheemptyseatingoftheelec-trodereferencewithadryclothorcottonswabs.

6. Preparethenewreferenceelectrode.

7. CarefullyremovetheprotectivecapbecauseitcontainssomeKCl.

8. Makesurethesealisinitsgrooveontheexternalreferenceelectrode.

9. Ifnecessary,removethesoliddepositsfromthecapillary.

10. Moistenthesealwithwater.Ifnot,thesealcanbedamaged.

Seal

Capillary

11. Liftthedropleverofthereferenceelectrodeandturnitbyaquarterturntotheleft.

12. Insertthenewexternalreferenceelectrodefully.

13. Turnthedropleverbyaquarterturntotherightandloweritfullyinitsseating.

14. MountthepHsensorcubebackinthesystemasdescribedintheOperatingIsntructionsofthesystemtype8905.

9.4 Troubleshouting if no message is displayed

colouroftheproductstatusleD OFF

possiblecause Theproduct/thesystemisnotenergized.

Whattodo? 1. Checkthewiring.

2. Makesurethevoltagesupplyis24VDC.

3. Checkthatthepowersupplysourceisworkingproperly.

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9.5 Troubleshooting if the status leD of the product is red or orange

Ifanerrororawarningmessagehasbeengeneratedbythesystem:

• thestatuslightofthesystemisredororange,

• thestatusLEDoftheproductisredororange,

• thesymbol or appearsontheUniqueDeviceNameoftheproduct,inthelistofdevices,

• thesymbol appearsinthetopleftcornerofthedisplay.

→ Tap toaccessthe"MessagesList".

9.5.1 Message "Too high leakage current"

Displayedmessage ToohighleakagecurrentsymboldisplayedontheuniqueDevicenameoftheproductpossiblecause TheleakagecurrentoftheISFETsensorisoutofrange.

Themessageisdisplayedwhenthefollowingsettingshavebeenmadeinmessagestriggerserrors ("Parameter"viewofthesensor):

• theerror"activationflag"forthehighthresholdoftheleakagecurrentisselected,

• andthehighthresholdsetfortheleakagecurrentoftheISFETsensorhasbeenreached.

Whattodo? → SendtheproductbacktoBürkerttohavetheISFETsensorreplaced.

Displayedmessage ToohighleakagecurrentsymboldisplayedontheuniqueDevicenameoftheproductpossiblecause TheleakagecurrentoftheISFETsensorisoutofrange.

ThemessageisdisplayedwhenthefollowingsettingshavebeenmadeinmessagestriggersWarnings ("Parameter"viewofthesensor):

• thewarning"activationflag"forthehighthresholdoftheleakagecurrentisselected,

• andthehighthresholdsetfortheleakagecurrentoftheISFETsensorhasbeenreached.

Whattodo? → Acknoledgethewarningmessage:theproductcontinuestooperate.

→ or,sendtheproductbacktoBürkerttohavetheISFETsensorreplaced.

→ orreplacetheproductbyanewone.

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9.5.2 Message "Too low leakage current"

Displayedmessage ToolowleakagecurrentsymboldisplayedontheuniqueDevicenameoftheproductpossiblecause TheleakagecurrentoftheISFETsensorisoutofrange.


• theerror"activationflag"forthelowthresholdoftheleakagecurrentisselected,

• andthelowthresholdsetfortheleakagecurrentoftheISFETsensorhasbeenreached.

Whattodo? → Deselecttheerror"activationflag"forthelowthresholdoftheleakagecurrent.

Displayedmessage ToolowleakagecurrentsymboldisplayedontheuniqueDevicenameoftheproductpossiblecause TheleakagecurrentoftheISFETsensorisoutofrange.


• thewarning"activationflag"forthelowthresholdoftheleakagecurrentisselected,

• andthelowthresholdsetfortheleakagecurrentoftheISFETsensorhasbeenreached.

Whattodo? → Deselectthewarning"activationflag"forthelowthresholdoftheleakagecurrent.

9.5.3 Message "Too high ph value"

Displayedmessage ToohighpHvaluesymboldisplayedontheuniqueDevicenameoftheproductpossiblecause ThepHvalueofthewatersampleisoutofrange.


• theerror"activationflag"forthehighthresholdofthepHvalueisselected,

• andthehighthresholdsetforthepHvaluehasbeenreached.Whattodo? → Checktheprocess.

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Displayedmessage ToohighpHvaluesymboldisplayedontheuniqueDevicenameoftheproductpossiblecause ThepHvalueofthewatersampleisoutofrange.


• thewarning"activationflag"forthehighthresholdofthepHvalueisselected,

• andthehighthresholdsetforthepHvaluehasbeenreached.Whattodo? → Checktheprocess.

9.5.4 Message "Too low ph value"

Displayedmessage ToolowpHvaluesymboldisplayedontheuniqueDevicenameoftheproductpossiblecause ThepHvalueofthewatersampleisoutofrange.


• theerror"activationflag"forthelowthresholdofthepHvalueisselected,

• andthelowthresholdsetforthepHvaluehasbeenreached.Whattodo? → Checktheprocess.

Displayedmessage ToolowpHvaluesymboldisplayedontheuniqueDevicenameoftheproductpossiblecause ThepHvalueofthewatersampleisoutofrange.


• thewarning"activationflag"forthelowthresholdofthepHvalueisselected,

• andthelowthresholdsetforthepHvaluehasbeenreached.Whattodo? → Checktheprocess.

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9.5.5 Message "Too high temperature value"

Displayedmessage ToohightemperaturevaluesymboldisplayedontheuniqueDevicenameoftheproductpossiblecause Thetemperaturevalueofthewatersampleisoutofrange.


• theerror"activationflag"forthehighthresholdofthewatersampletemperaturevalueisselected,

• andthehighthresholdsetforthewatersampletemperaturevaluehasbeenreached.

Whattodo? → Checktheprocess.

Displayedmessage ToohightemperaturevaluesymboldisplayedontheuniqueDevicenameoftheproductpossiblecause Thetemperaturevalueofthewatersampleisoutofrange.


• thewarning"activationflag"forthehighthresholdofthewatersampletemperaturevalueisselected,

• andthehighthresholdsetforthewatersampletemperaturevaluehasbeenreached.


9.5.6 Message "Too low temperature value"

Displayedmessage ToolowtemperaturevaluesymboldisplayedontheuniqueDevicenameoftheproductpossiblecause Thetemperaturevalueofthewatersampleisoutofrange.


• theerror"activationflag"forthelowthresholdofthewatersampletemperaturevalueisselected,

• andthelowthresholdsetforthewatersampletemperaturevaluehasbeenreached.


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Displayedmessage ToolowtemperaturevaluesymboldisplayedontheuniqueDevicenameoftheproductpossiblecause Thetemperaturevalueofthewatersampleisoutofrange.


• thewarning"activationflag"forthelowthresholdofthewatersampletemperaturevalueisselected,

• andthelowthresholdsetforthewatersampletemperaturevaluehasbeenreached.


9.5.7 Message "Too high reference impedance"

Displayedmessage ToohighreferenceimpedancesymboldisplayedontheuniqueDevicenameoftheproductpossiblecause Theimpedanceofthereferenceelectrodeisoutofrange.


• theerror"activationflag"forthehighthresholdoftheimpedanceofthereferenceelectrodeisselected,

• andthehighthresholdsetfortheimpedanceofthereferenceelec-trodehasbeenreached.

Whattodo? 1. Gointothe"Diagnostic"viewofthesensortoreadtheimpedancevalueofthereferenceelectrode.

2. Makesurethehighthresholdisconsistentwiththevalueofthecon-ductivityofthewatersample.

3. Ifnecessary,replacetheexternalreferenceelectrode.

4. Iftheexternalreferenceelectrodehasbeenreplaced,calibratethepHsensor.

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Displayedmessage ToohighreferenceimpedancesymboldisplayedontheuniqueDevicenameoftheproductpossiblecause Theimpedanceofthereferenceelectrodeisoutofrange.


• thewarning"activationflag"forthehighthresholdoftheimpedanceofthereferenceelectrodeisselected,

• andthehighthresholdsetfortheimpedanceofthereferenceelec-trodehasbeenreached.

Whattodo? 1. Gointothe"Diagnostic"viewofthesensortoreadtheimpedancevalueofthereferenceelectrode.

2. Makesurethehighthresholdisconsistentwiththevalueofthecon-ductivityofthewatersample.

3. Plantoreplacetheexternalreferenceelectrode.

9.5.8 Message "Too low reference impedance"

Displayedmessage ToolowreferenceimpedancesymboldisplayedontheuniqueDevicenameoftheproductpossiblecause Theimpedanceofthereferenceelectrodeisoutofrange.


• theerror"activationflag"forthelowthresholdoftheimpedanceofthereferenceelectrodeisselected,

• andthelowthresholdsetfortheimpedanceofthereferenceelec-trodehasbeenreached.

Whattodo? → Deselecttheerror"activationflag"forthelowthresholdoftheimpedanceofthereferenceelectrode.

Displayedmessage ToolowreferenceimpedancesymboldisplayedontheuniqueDevicenameoftheproductpossiblecause Theimpedanceofthereferenceelectrodeisoutofrange.


• thewarning"activationflag"forthelowthresholdoftheimpedanceofthereferenceelectrodeisselected,

• andthelowthresholdsetfortheimpedanceofthereferenceelec-trodehasbeenreached.

Whattodo? → Deselectthewarning"activationflag"forthelowthresholdoftheimpedanceofthereferenceelectrode.

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Sparepartsandaccessories

10 SpAre pArTS AnD AcceSSorieS

caution

riskofinjuryand/ordamagecausedbytheuseofunsuitableparts.

Incorrectaccessoriesandunsuitablereplacementpartsmaycauseinjuriesanddamagetheproductandthesurroundingarea.

▶ UseonlyoriginalaccessoriesandoriginalreplacementpartsfromBürkert.

Accessory ordercodeBuffersolution,pH=5 566031Buffersolution,pH=7 418541Buffersolution,pH=8 onrequestExternalreferenceelectrode 566084

11 pAckAging, TrAnSporT

note

Damageduetotransport

Transportmaydamageaninsufficientlyprotectedproduct.

• Transporttheproductinshock-resistantpackagingandawayfromhumidityanddirt.

• Donotexposetheproducttotemperaturesthatmayexceedtheadmissiblestoragetemperaturerange.

• Protecttheelectricalinterfacesusingprotectiveplugs.

12 STorAge

note

poorstoragecandamagetheproduct.

▶ Dependingonthedurationofthestoragetime,obeythestorageinstructionsinthechapter12.1to12.3.

▶ Afteranystorageperiod,obeytheinstructionsinchap.12.4.

12.1 To store the product for a maximum of 4 days

1. Rinsetheproductwithtapwater.

2. Purgetheproductwithairatamax.pressureof2bar.

3. Storetheproductatroomtemperature(about23°C±10°C).

4. Storetheproductinadryplaceawayfromdust.

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Sparepartsandaccessories

12.2 To store the product for more than 4 days and less than 1 month


2. DONOTPURGETHEPRODUCTbecauseitwilldryout.



12.3 To store the product for a more than 1 month

1. Removetheexternalreferenceelectrode.


3. Purgetheproductwithairatamax.pressureof2bar.



12.4 After storage

Beforecommisioningaproductthathasbeenstored:

1. Mountanewexternalreferenceelectrode.Seechap.9.3.

2. Plugtheproductinthesystem.

3. WhilethepowersupplyofthesystemisOFF,letthewatersampleflowthroughtheproductforatleast2hours.

4. Calibratetheproduct.Seechap.8.10.

13 DiSpoSAl of The proDucT→ Disposeoftheproductanditspackaginginanenvironmentally-friendlyway.

noteDamagetotheenvironmentcausedbyproductscontaminatedbyfluids.

• Keeptotheexistingprovisionsonthesubjectofwastedisposalandenvironmentalprotection.

note:

Complywiththenationaland/orlocalregulationswhichconcerntheareaofwastedisposal.

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CMS01_pHSensorCube_EN_0A4_internet_derniere_page

type ms01...5 about the operating instructions 1.4 definition of the word "büs" the word "büs"...

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