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 
G ENERALINFORMATION ..................................................................................................................................................3 
S ECURITYINFORMATION ..................................................................................................................................................3 
D ESCRIPTIONOFTHEFUNCTION .....................................................................................................................................3 
M EASUREMENT F UNCTIONS ............................................................................................................................................3 
S ENSORBODY .....................................................................................................................................................................3 
UNPACKING........................................................................................................................................................4 
Cablewinder.......................................................................................................................................................................4 
HANDLINGANDINTERFACE.........................................................................................................................5 
D ESCRIPTIONOFTHE D ISPLAYIN T EXT M ODE ............................................................................................................6 
D ESCRIPTIONOFTHE D ISPLAYIN P ROFILE M ODE ......................................................................................................7 
MAINMENU........................................................................................................................................................8 
S ETTINGS ............................................................................................................................................................................8 
Threshold1(Fluff)..........................................................................................................................................................9 
Threshold2(SludgeBlanket)..................................................................................................................................10 
Maximumdepth..............................................................................................................................................................10 
Blindzone..........................................................................................................................................................................10 
Measuringmode.............................................................................................................................................................11 
SETUP.............................................................................................................................................................................11 
Language...........................................................................................................................................................................11 
DepthUnit..........................................................................................................................................................................12 
ConcentrationUnits......................................................................................................................................................12 
Temperatureunits.........................................................................................................................................................12 
Timeanddate..................................................................................................................................................................13 
C ALIBRATION ..................................................................................................................................................................14 
ZeroSample......................................................................................................................................................................14 
Conc.sample–SludgeSample.................................................................................................................................14 
LabValue...........................................................................................................................................................................15 
0mCal.Zerodepthcalibration.............................................................................................................................15 
1mCal.–1mor39.4”depthcalibration...........................................................................................................15 
L OG ....................................................................................................................................................................................16 
GETTINGSTARTED.......................................................................................................................................17 
G ETTINGSTARTEDWITHTHE B LANKET T RACKER ..................................................................................................17 
SettingofMaximumdepth.........................................................................................................................................17 
P ROFILEMODE ................................................................................................................................................................18 
S AVEAPROFILE ..............................................................................................................................................................18 
A LARMVALUES ..............................................................................................................................................................18 
MAINTENANCE...............................................................................................................................................19 
Inspectionofthesensor...............................................................................................................................................19 
C HANGINGOF B ATTERIES .............................................................................................................................................19 
TROUBLESHOOTING...................................................................................................................................20 
SPARES..............................................................................................................................................................20 
CONTACTINFORMATION...........................................................................................................................21 
WARRANTY.....................................................................................................................................................21 
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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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.
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Theprofilebuttonalternatesbetweenmeasuringvaluesintextor
sludgeprofilepresentation.
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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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fig4
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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





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




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7
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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.
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fig6
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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
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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 .
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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.
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fig9
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9
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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).
