Cerlic Blanket Tracker User manual

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2011‐11‐09  C83D5EN12

Blanket

Tracker

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Blankettracker

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2

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Blanket

Tracker

TableofContent

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TABLEOFCONTENT........................................................................................................................................2

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ENERALINFORMATION

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ECURITYINFORMATION

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ESCRIPTIONOFTHEFUNCTION

.....................................................................................................................................3

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EASUREMENT

UNCTIONS

............................................................................................................................................3

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ENSORBODY

.....................................................................................................................................................................3

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UNPACKING........................................................................................................................................................4

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Cablewinder.......................................................................................................................................................................4

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HANDLINGANDINTERFACE.........................................................................................................................5

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ESCRIPTIONOFTHE

ISPLAYIN

EXT

ODE

............................................................................................................6

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ESCRIPTIONOFTHE

ISPLAYIN

ROFILE

ODE

......................................................................................................7

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MAINMENU........................................................................................................................................................8

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ETTINGS

............................................................................................................................................................................8

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Threshold1(Fluff)..........................................................................................................................................................9

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Threshold2(SludgeBlanket)..................................................................................................................................10

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Maximumdepth..............................................................................................................................................................10

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Blindzone..........................................................................................................................................................................10

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Measuringmode.............................................................................................................................................................11

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SETUP.............................................................................................................................................................................11

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Language...........................................................................................................................................................................11

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DepthUnit..........................................................................................................................................................................12

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ConcentrationUnits......................................................................................................................................................12

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Temperatureunits.........................................................................................................................................................12

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Timeanddate..................................................................................................................................................................13

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ALIBRATION

..................................................................................................................................................................14

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ZeroSample......................................................................................................................................................................14

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Conc.sample–SludgeSample.................................................................................................................................14

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LabValue...........................................................................................................................................................................15

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0mCal.Zerodepthcalibration.............................................................................................................................15

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1mCal.–1mor39.4”depthcalibration...........................................................................................................15

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....................................................................................................................................................................................16

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GETTINGSTARTED.......................................................................................................................................17

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ETTINGSTARTEDWITHTHE

LANKET

RACKER

..................................................................................................17

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SettingofMaximumdepth.........................................................................................................................................17

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ROFILEMODE

................................................................................................................................................................18

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AVEAPROFILE

..............................................................................................................................................................18

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LARMVALUES

..............................................................................................................................................................18

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MAINTENANCE...............................................................................................................................................19

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Inspectionofthesensor...............................................................................................................................................19

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HANGINGOF

ATTERIES

.............................................................................................................................................19

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TROUBLESHOOTING...................................................................................................................................20

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SPARES..............................................................................................................................................................20

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CONTACTINFORMATION...........................................................................................................................21

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WARRANTY.....................................................................................................................................................21

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SPECIFICATION,PORTABLEBLANKETTRACKER..............................................................................22

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3

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Blanket

Tracker

Generalinformation

Itisofgreatimportancetoreadallpartsofthismanualpriortostartupofthe

instrument.IftheBlanketTrackerisnotusedandhandledaccordingtothismanual,

thenthelifeandfunctionalitymaybejeopardized,andallwarrantieswillbevoid.

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Securityinformation

Thisinstrumentshouldbehandledbyqualifiedandauthorizedpersonnelonly.

Itismandatorytofollowallsecurityandotherroutinesthatapplyatsitewhen

usingtheBlanketTrackerintanksandbasins.

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WithinEUitisprohibitedtodisposeofelectricandelectronicwasteinregular

wasteasthesemaycontainharmfulsubstances.Allelectricandelectronicwaste

mustbesortedandleftforrecycling.SuchproductsarelabeledwithanX‐marked

wastebin.Itisimportantthateveryonecooperateinordertosecureahighlevelwhenit

comestorecyclingandhelptosaveourenvironment.Ifsuchwastenotishandledand

recycledaccordingtoregulation(ECDirective2002/96/EC)theenvironmentaswellas

people’shealthmaybejeopardized.

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Descriptionofthefunction

BlanketTrackerisaportableopticalsuspendedsolidsmeterdesignedtomeasure

sludgeblanketdepthandsuspendedsolidsinclarifiers,thickeners,aerationbasins,etc.

inwaterandwastewaterplants,aswellinotherfacilities.Itispossibletodisplay

measuredvaluesastextorasagraphicimageofthesludgeprofile.Twodifferentalarm

levelsforthesludgeblanketmaybesettoindicatefluffandsludgeblanketlevels.These

maybedisplayednexttothegraphicsludgeprofile.

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MeasurementFunctions

TheBlanketTrackerisabletostoreupto250measurementsasagraphicprofile,each

withinformationabouttime,date,location,thatmaybenamedbytheuser(maximum

10characterse.g.Clarifier2;Thickener5,etc.)Eachprofilealsocontainsdataabout

blanketandfluffdepthsthatappliedforthespecificmeasurement.

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Sensorbody

Thesensorbodycontainsopticsandelectronicsthatshouldnotbeexposedto

mechanicalabuseorhightemperatures.Ifthesensorbodyhasmechanicaldamages,

watermaypenetrateintothesensoranddestroytheelectronicsandoptics.Pleasesee

sectionMaintenanceformoreinformation.

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4

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Blanket

Tracker

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Unpacking

Opentheinstrumentcaseandcheckthatnodamageshaveoccurredduringshipping.

Theinstrumentcaseshouldcontainthefollowingitemsplustheservicemanual,see

figure1.

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fig1

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Cablewinder

InordertofacilitatethehandlingoftheBlanketTrackeritissuppliedwithaSScable

winderthatisattachedtothebatterycase,seefig2.Itispossibletowinduppartorall

of33’cableonthewinder..ThecableislockedinplacewithanO‐ring,seefig3.

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  

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fig2fig3

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5

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Blanket

Tracker

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HandlingandInterface

Thefollowingiconsshowthekeypadpushbuttonsanddescribetheirfunctions.

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Opensthemainmenuorconfirms(enters)achoiceinthemenus.

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Closesamenuchoicewithoutchanging,orexit’sone‐stepbackwards

inthemenutree(escapefunction).

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Navigatesuponestepinthemenutreeorincreasesthevalueofa

chosennumberinamenu.

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Navigatesdownonestepinthemenutreeordecreasesthevalueofa

chosennumberinamenu.



Theprofilebuttonalternatesbetweenmeasuringvaluesintextor

sludgeprofilepresentation.



Restartofameasurement.Atrestart,anewmeasuringwillbeinitiated

andreplacestheexistingvalue.Themeasuredvaluesmaybestoredatan

optionallocationinthelogfile.

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Turnsonthebacklightfordisplayfortwominutes.

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On/Offswitch.PressthebuttoninordertoturnonorofftheBlanket

Tracker.

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6

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Blanket

Tracker

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DescriptionoftheDisplayinTextMode

Atstartup,thedisplayisshowninfig4anddescriptioninfig5.Valueforsolids

concentrationanddeptharedisplayedontheleftandalarmvaluesforfluff(6)and

sludgeblanket(7)withactualdepthforeachas(9)&(10)below.Depthsareshownas

Blinduntilalarmforeachconcentrationgoesoff.Plusdate,timeandtemperature

acrossthetop.

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

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fig4

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

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fig5

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

Depth



Solidsconcentration



Date,Time





Watertemperature





Batterylevel





Threshold1‐Fluff





Threshold2‐Sludge





Measuringlocation





Flufflevel





Blanketdepth

























7



Blanket

Tracker



























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DescriptionoftheDisplayinProfileMode

WhenpressingtheProfilebuttonmarked thedisplaywillshowthesludgeprofile.

Seefig6below.Atanytimeduringameasurementitispossibletoswitchbetweentext

modeandprofilemodebypressingthebutton withoutaffectingthemeasuring

value.Generalinformationsuchassludgeconcentrationanddepthisalwaysshownin

eitherthetextorprofilemodeswindows.



fig6









fig7



Profiledisplayedinx=mg/land

y=depth



SolidsConcentration





Depth–current





Flufflevel





Blanketdepth





Maximumdepth





Sensorpositionduringdepth

 measuringversusmax.depth

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



8



Blanket

Tracker

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Mainmenu

Press toopenthemainmenu.Seefig8.

Use or topickthedesiredsubmenuandopenwith .



fig8

Settings

IntheSETTINGSmenu(fig9)itispossibletosetalarmvaluesforfluffandsludge

blanketconcentrations.Inthismenuthespan(maxdepth)measurementissettofitthe

profilescalemaximumdepth.Itisrecommendedtoseta”blindzone”sothatthesolids

concentrationmeasurementreadingstartjustbelowthewatersurfacelike1”orso

Thisisdonetoavoidopticallightreflectionsthatcouldotherwisecausefalsealarmof

fluffandblanketdepths.MeasureModeallowsyoutopickDEPTHforanormalclarifier

andHEIGHTforanupsidedownclarifierlikeaDAFsoyouaremeasuringfromthe

surfacedownforblanket.



fig9

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

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9



Blanket

Tracker

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Threshold1(Fluff)

ThisvaluedefinesthesolidsconcentrationthatindicatestheFLUFFlevel.The

concentrationmaybegivening/l,mg/l,%orppmFormoreinformationsee”Settings”.

Whenthepresetalarmvalueisreached,thenthiswillbeshownonthedisplayasFLUFF

LEVEL.Thesensitivityforfluffconcentrationisnormallysetat10%to25%ofthe

sludgeblanketalarmvalue.



fig10



Press toopenthemenuandselect”SETTINGS”confirmwith .Step

downwith andpick”Threshold1”with .Stepupwith ordown

with untildesiredconcentrationisobtained.Confirmandsteptonext

digitwith .Exitthemenuwith untiloneofthetwo



mainwindowsappear(textmodeorprofilemode).









10



Blanket

Tracker



Threshold2(SludgeBlanket)

ThisvaluedefinesthesolidsconcentrationthatdefinestheSLUDGEBLANKETLevel.

Theconcentrationmaybegivening/l,mg/l,%orppmFormoreinformationsee

”Settings”.Whenthepresetalarmvalueisreached,thenthiswillbeshownonthe

displayasSLUDGEBLANKETlevel.Inaclarifierthisconcentrationisnormallychoosen

tocorrespondwiththereturnsludge(RAS)concentration,e.g.5,000mg/l(ppm)andin

athickenere.g.7,000mg/l.



fig11



Press toopenthemenuandselect”SETTINGS”confirmwith .Step

downwith andselect”Thrreshold2”with .Stepupwith or

downwith untildesiredconcentrationisobtained.Confirmandstepto

nextdigitwith .Exitthemenuwith 



untiloneofthetwomainwindosappear(textmodeorprofilemode).

Maximumdepth

Press toopenthemenuandselect“SETTINGS”.Confirmwith .Step

downwith andselect”MAXDEPTH”with .Toscalethe“MAX

DEPTH”spanthatisshownatprofilemeasurement,stepupwith or

downwith untildesiredvalue.Confirmwith .Exitthemenuwith

untiloneof



thetwomainwindowsappear(textmodeorprofilemode).



Blindzone

Press toopenthemenuandselect“SETTINGS”.Confirmwith .Step

downwith andselect”Blindzone”with .Toscalethe“Blindzone”

spanthatisshownatprofilemeasurement,stepupwith ordownwith

untildesiredvalue.Confirmwith .Exitthemenuwith untilone

ofthetwomainwindowsappear(textmodeorprofilemode).



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