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USER MANUAL

Manual Version:

1.1.D

Product Code:

L2004A1

Product Version:

1.1

Software Version:

3.0

CONTACT ANGLE

GONIOMETER

Содержание L2004A1

Страница 1: ...USERMANUAL Manual Version 1 1 D Product Code L2004A1 Product Version 1 1 Software Version 3 0 CONTACT ANGLE GONIOMETER ...

Страница 2: ...ion 10 8 Operation 10 8 1RecordingaVideo 10 8 2SoftwareSettings 11 8 3PerformingMeasurements 13 9 Calibration 22 9 1CalibrationRecording 22 9 2CalibrationAnalysis 22 10 AdvancedMeasurementGuide 22 10 1RegionofInterest ROI 22 10 2PolynomialFitting 23 10 3CannyEdgeDetection 24 10 4PendantDropFitting 26 11 Troubleshooting 28 12 Relatedproducts 29 12 1RelatedConsumables 29 12 2RelatedEquipment 29 ...

Страница 3: ...thPCsoftwarethatprovidesasimpleandintuitiveinterfacefor contactanglemeasurements TheOssilaSolarCellPrototypingPlatformisacomplementarycollectionofsubstrates materials and equipmentaspartofahigh performancestandardphotovoltaicreferencearchitecture Thisplatform enablesresearcherstoproducehigh quality fully functionalsolarcellswhichcanbeusedasareliable baseline Formoreinformation ossila com pages sol...

Страница 4: ...ethattheDoCisissuedunderoursoleresponsibility andbelongstothefollowingproduct Product L2004A1ContactAngleGoniometer Serialnumber L2004A 0105 1000 3000 xxxx Objectofdeclaration L2004A1 ContactAngleGoniometer Theobjectofdeclarationdescribedaboveisinconformity withtherelevantUnionharmonisationlegislation EMCDirective2014 30 EU RoHSDirective2011 65 EU Signed Name DrJamesKingsley Place Sheffield Date 0...

Страница 5: ...τότηταςΕΕ Κατασκευαστής OssilaLtd SolproBusinessPark WindsorStreet S47WD ΗνωμένοΒασίλειο ΔηλώνουμευπεύθυναόnοαναφερόμενοςεξοπλισμόςσυμμορφώνεταιμετησχεnκήνομοθεσίαεναρμόνισηςτηςΕΕπουυπάρχει σnςπροηγούμενεςσελίδεςτουπαρόντοςεγγράφου Español DeclaracióndeconformidadUE Fabricante OssilaLtd SolproBusinessPark WindsorStreet S47WD ReinoUnido Declaramosbajonuestraúnicaresponsabilidadqueelsiguienteproduct...

Страница 6: ...dsorStreet S47WD ReinoUnido Declarasobsuaexclusivaresponsabilidadequeoequipamentoindicadoestáemconformidadecomalegislaçãodeharmonização relevantedaUEmencionadana s página s anterior es destedocumento Română DeclaraţiedeconformitateUE Producător OssilaLtd SolproBusinessPark WindsorStreet S47WD RegatulUnit DeclarăpeproprierăspunderecăechipamentulprezentatesteînconformitatecuprevederilelegislaţieiUEd...

Страница 7: ...fromothers Takecaretoavoidtrappingfingerswhileadjustingthetiltstageposition Table4 1 ContactAngleGoniometerandContactAnglesoftwarerequirements Table4 1detailsthepowerrequirementsforthesystem andtheminimumcomputerspecificationsforthe OssilaContactAnglesoftware Power 12V 1ADC suppliedwiththesystem OperatingSystems WindowsVista 7 8 or10 CPU DualCore2GHz RAM 2GB AvailableHardDriveSpace 250MB MonitorRe...

Страница 8: ...ntedcopyoftheusermanual 25µlsyringewithbluntneedle Syringeclampingmechanism Examinethecomponentsforevidenceofshippingdamage Ifdamagehasoccurred pleasecontact Ossiladirectlyforfurtheraction Theshippingpackagingwillcomewithashockindicatortoshowif therehasbeenanymishandlingofthepackageduringtransportation TheContactAngleGoniometermeasurementspecificationsareshowninTable6 1 andthephysical specificatio...

Страница 9: ... Alternatively thesoftwarecanbedownloadedfrom ossila com pages software drivers Videorecordingisperformedinthe Capture Tablocatedinthetopleftofthesoftware 7 Installation 8 Operation Table6 2 ContactAngleGoniometerphysicalspecifications Figure8 1 SoftwareTabs CaptureandAnalyse StageDimensions 50mmx50mm MaximumDropletWidth 20mm OverallProductDimensions Width 95mm Height 170mm Depth 320mm MaximumSamp...

Страница 10: ...display 6 Select Image or Video 7 Setavideolengthandframerate I Makesurethatyourvideolengthtakesintoaccountthetimeitwilltaketodispensethedroplet andanyspreadingtimethatyouwishtoobserve 8 Chooseasavedirectoryandfilename 9 Preparetodispenseadroplet 10 Click Record inthecontrols 11 Dispensethedroplet 12 Whenyouarefinishedtakingrecordings press StopCamera toturnthecameraoff 8 2 1CameraSettings I Camer...

Страница 11: ...tallengthoftimetorecordforinseconds I Chooseanumberbetween0 1and3600 1hour II Thedefaultis10seconds II FrameRate Setstheframerateinframespersecond I Thiswillupdatetheincrementtomatchthechosenframerate II Defaultis20framespersecond III TimeIncrement Setsthetimeincrementinseconds I Thiswillupdatetheframeratetomatchthechosenincrement II Defaultis0 05seconds 8 2 2RecordingSettings Figure8 3 RecordingS...

Страница 12: ...rwritten II Videofilesaresavedas avifiles Imagefilesaresavedas pngfiles VI AnalyseRecordedImage Video Ifthisboxischecked thesoftwarewillloadtherecordedfileintotheanalysistabafterithasfinished recording VII RecordButton Startsvideorecording I Thiswillsaveasetnumberofframesdeterminedbythechosenvideolengthandthe framerate 8 3PerformingMeasurements Bothcontactangleandsurfacetensionmeasurementsareperfo...

Страница 13: ...geisslanted orthestagewasnotcompletelylevel youcanadjustthebaselineangle usingthe BaselineRotation controlinthetoprightcorner IV Youcanalsomakefineadjustmentstothebaselineheightusingtheupanddownarrowsin thetoprightcorner 7 Click Analyse I ThesoftwarewilldetecttheedgesofthedropletwithintheROI II Afittingtechniqueisappliedtothedroplet dependingonitsestimatedangle 10 CircleFit 10 PolynomialFit III Th...

Страница 14: ...gleusingthe BaselineRotation boxinthetop rightcorner 7 Click Analyse I ThesoftwarewilldetecttheedgesofthedropletwithintheROI II Afittingtechniqueisappliedtothedroplet Theparametersofthefit radius Bnumber X0 Y0 areshowninthecontrolstothetoprightoftheviewingwindow III Thecalculatedsurfacetensionisdisplayedintheleftcornerofthescreen 8 Ifthedropletfitlookspoor thefitparameterscanbeadjustedmanuallytoac...

Страница 15: ...alculatedcontactanglesaredisplayedinthe resultsdisplay I ContactAngle PendantDrop Choosebetweenthetwopossiblemeasurementtypes Thiswillaffectwhichmeasurementis performedwhenthe Analysis buttonispressed II DropDensity PendantDropOnly Selectthedropdensityoftheliquidunderinvestigation Thisdensityisusedalongwiththedroplet fittingtodeterminethesurfacetension Ifasuitabledensityisnotinthelist select AddNe...

Страница 16: ...determinedbythecalibrationprocedure Thisdisplaychangesbasedonthetypeofmeasurementcurrentlyselected I LeftAngle RightAngle Showsthemeasuredcontactangleinthecurrentframefortheleftandrightsidesofthedroplet II LeftRMSError RightRMSError Showstheroot mean squareerrorofthepolynomialfittothedetectededgedata I Thisshouldbeaslowaspossible II AfitwithanRMSerrorvalueof1ormoreisconsideredtobepoor andtheresult...

Страница 17: ...of1ormoreisconsideredtobepoor 8 3 3ResultsPlot 8 3 4VideoDisplay Plotsthecontactanglesorsurfacetensionsmeasuredvsframeforthecurrentlyselectedvideoorimage Figure8 10 Resultsplotoftheleftandrightcontactanglesvsframenumber Figure8 11 ThemainviewingsectionoftheContactAnglesoftware I MainViewer Displaystheselectedvideoforanalysis ...

Страница 18: ...easurementisdefinedbythebottomofthebox IV BaselineandPedantDropControls Formoreinformationonthependantdropcontrols seesection10 4 BaselineAdjustmentmovesthebottomoftheregionofinterestupanddownbyasinglepixel BaselineRotationrotatestheimage I Thisisusedtoalignthebottomofthedropletwiththeregionofinterest Allowsmanualeditingofthependantdropfittingparameters DropletRadiuschangestheradiusofthefitteddrop...

Страница 19: ...ohasanindexof0 8 3 10DataSaving Resultsfilesaresavedinatabularformatas csvfiles whichcanbeopenedwithmostspreadsheet programs Thefilecontainssevencolumnsofmeasurementresults whicharedescribedintheTable8 1 ThesavedirectoryandfilenamecanbeselectedusingthecontrolsshowninFigure8 14 Table8 1 Columnnamesanddescriptionsforcontactangledatasavedintheresults csvfile ColumnName Description FrameNumber Thefram...

Страница 20: ...ofthesimulatedpendantdropto thedetecteddropletedge DropVolume µL Calculateddropletvolumeofthesimulatedpendantdrop RightContactPoint Thexcoordinate inpixels atthepointwheretherightedgeofthe dropletinterceptsthebaseline DropletWidth Pixels Thedifferenceinpixelsbetweentheleftandrightcontactpoints I SaveDirectory Setsthedirectoryinwhichvideosaresaved Directorycanbeinputmanuallyorselectedusingthebutton...

Страница 21: ...ndsmostofthesphere asshown inFigure9 1 Click Calibrate andthesoftwarewillfitacircletotheedgeofthesphere Thisisseenasagreen line The MillimetresperPixel fieldwillupdatewiththenewvalue Thesoftwarewillsavethenewcalibrationvalueanditwillremainevenwhenthesoftwareisclosedand reopened Ifthecamerafocaldistanceischanged thesystemwillneedtobere calibrated Figure9 1 Calibratingthesoftwareusingacalibrationsph...

Страница 22: ...geabovethebaselinewillbeusedinthefittingandresultantcontactanglecalculations Thetop leftandrightsidesoftheROIboxareusedtoexcludeanyunwantedfeaturesfromtheimage If thereisaseconddropletinthesameimage thisshouldbeexcludedfromtheregionofinterest 10 2PolynomialFitting Ifthecontactangleisabove10 thenthesoftwarewillfitapolynomialtotheedgeofthedroplet The polynomialfitisoverlaidontheimageasagreenline The...

Страница 23: ...tnessbetweenpixelsinastraightline The pixelonthelefthasalightnessvalueof50 whichincreasesto240overthe6pixelsintheline Thechange inlightnessbetweenthetwocentralpixelsisthehighest shownbythesteepgradientofthelinebetween thesepoints 10 3CannyEdgeDetection Figure10 4 Lightnessvaluechangefrom50to240 withasteepgradientbetweenthecentraltwopixels Therearetwogradientthresholdsinvolvedwiththeedgedetection a...

Страница 24: ...illalsobecountedasanedge ThisisdemonstratedinFigure10 6 wherethegradientchangeinthebottomrowofpixelsdoesnotpass threshold1butdoespassthreshold2 Asitisadjacenttothetoprowwhichdoespassthreshold1 itisstill countedasanedge Rowsadjacenttothisrowthatpassthreshold2willalsobecountedasedges pointbin Figure10 5 Figure10 7 Cannyedgedetectionthresholdcontrols Defaultsthresholdsaresetto200and100 Ifarowfallsbel...

Страница 25: ...t Ifadropletvolumeisincreasedbyincreaseditsradius itwilldeformmoreundertheincreased gravity Iftwodropletshavethesameshapebutdifferentsizes thelargerdropletmustthereforehave ahighersurfacetensiontoretainthesameshapewithahighervolume Thismeansthatincreasingthe simulateddropletradiuswillincreasethesurfacetension 10 4PendantDropFitting Anopticaltensiometerisatoolformeasuringthesurfacetensionofaliquid ...

Страница 26: ...ts Itthen comparesthesimulateddropletswiththedetectededgeofthedropletintheregionofinterest The simulatedfitthatmostcloselymatchesthedetectededgeischosenasthe real droplet Thedifference betweenthesimulatededgeandthedetectededgeistherootmeansquarederror RMSE Thisisdisplayed whenameasurementisperformedandcanbeusedasanindicatorofhowcloselythesimulateddroplet matchedthedetectededge ...

Страница 27: ...ply andthattheplugisconnectedtoboththe adaptorandaworkingpowersocket b ContactOssilaforareplacementpower supplyadaptor Softwaredoes notstart a ThewrongversionofWindowsisinstalledon thecomputer b Thesoftwarehasnotinstalledproperly a InstallthesoftwareonacomputerwithWindows Vistaornewer b Tryreinstallingthesoftware Cannotdetectthe camera a TheUSBcablemaynotbe connectedproperly b TheUSBcablemaynotbec...

Страница 28: ...ance specs and simple to use intergrated software at a reasonable cost Our range of 15 x 20 mm ITO substrates for OPV OLED and sensing applications These substrates are coated with a 20nm layer of synthetic quartz Produce high quality coatings without any substrate warping Perfect for busy labs with limited space Product codes C121 Product code C2001V1 Product codes L2005A1 Product code L2006A1 Pr...

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