ac-s-manual

ac-sUser’sGuide(ac-s)RevisionJ9Feb2009SpectralAbsorptionandAttenuationMeterac-sUser’sGuideWETLabs,Inc.P.O.Box518Philomath,OR97370541929-5650’sGuide(ac-s)RevisionJ9Feb2009Attention!ReturnPolicyforInstrumentswithAnti-foulingTreatmentWETLabscannotacceptinstrumentsforservicingorrepairthataretreatedwithanti-foulingcompound(s).Thisincludesbutisnotlimitedtotri-butyltin(TBT),marineanti-foulingpaint,ablativecoatings,etc.Pleaseensureanyanti-foulingtreatmenthasbeenremovedpriortoreturninginstrumentstoWETLabsforserviceorrepair.ac-sUser’sGuide(ac-s)RevisionJ9Feb2009ac-sWarrantyThisunitisguaranteedagainstdefectsinmaterialsandworkmanshipforoneyearfromtheoriginaldateofpurchase.Warrantyisvoidifthefactorydeterminestheunitwassubjectedtoabuseorneglectbeyondthenormalwearandtearoffielddeployment,orintheeventthepressurehousinghasbeenopenedbythecustomer.Toreturntheinstrument,contactWETLabsforaReturnMerchandiseAuthorization(RMA)andshipintheoriginalcontainer.WETLabsisnotresponsiblefordamagetoinstrumentsduringthereturnshipmenttothefactory.WETLabswillsupplyallreplacementpartsandlaborandpayforreturnvia3rddayairshippinginhonoringthiswarranty.ShippingRequirementsforWarrantyandOut-of-warrantyInstruments1.Pleaseretaintheoriginalshippingmaterial.Wedesigntheshippingcontainertomeetstringentshippingandinsurancerequirements,andtokeepyourmeterfunctional.2.Toavoidadditionalrepackagingcharges,usetheoriginalbox(orWETLabs-approvedcontainer)withitscustom-cutpackingfoamandanti-staticbagtoreturntheinstrument.•Ifusingalternativecontainer,useatleast2in.offoam(NOTbubblewraporStyrofoam“peanuts”)tofullysurroundtheinstrument.•Minimumrepackingchargeforacmeters:$240.00.3.ClearlymarktheRMAnumberontheoutsideofyourshippingcontainerandonallpackinglists.4.Returninstrumentsusing3rddayairshippingorbetter:donotshipviaground.ac-sUser’sGuide(ac-s)RevisionJ9Feb2009iTableofContents1.InstrumentSetupandTesting.........................................................................11.1InstallingWETView................................................................................................11.2BenchTesting..........................................................................................................21.3AirTracking.............................................................................................................31.4Cleaning...................................................................................................................31.5SystemRequirements...............................................................................................52.Operation...........................................................................................................62.1BasicPowerOn........................................................................................................62.2MountingandDeployingtheMeter.........................................................................62.3DataCollection........................................................................................................92.4CareandMaintenance............................................................................................103.DataProcessing..............................................................................................113.1AnalogAcquisition................................................................................................113.2Analog-to-DigitalConversion...............................................................................113.3DigitalProcessingandDataOutput.......................................................................113.4DataFormat...........................................................................................................113.5PostProcessing......................................................................................................113.6Temperature-dependentAbsorptionCorrection....................................................143.7ScatteringCorrection.............................................................................................154.CalibrationandCharacterization...................................................................164.1TemperatureCorrection.........................................................................................164.2Precision.................................................................................................................164.3AbsoluteCalibration..............................................................................................174.4LinearityandDynamicRange...............................................................................174.5AirCalibrationandTracking.................................................................................175.Specifications.................................................................................................205.1Connectors.............................................................................................................205.2PowerRequirem