ISO 03455-2021.docx
INTERNATIONA1.STANDARDISO3455editionThrd2021-01HydrometryCa1.ibrationofcurrentmetersinstraightopentanksHydromtrieEta1.onnagedesmou1.inetsenbassinsdecouvertsrecti1.ignesOISO2021COPYRIGHTPROTECTEDDOCUMENT©ISO2021岫rkdea/山thUcdOthcnviscjft<c三orrtmcehDVBiwixuioiti08phnn11UatiocBhr<1.>hotoc<>p)Mng,ptbcatonpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanherequestedfromeitherISOattheaddressbe1.oworIS<smemberbodyinthecountryoftherequester.%,tft晒Iandonnet8CH-1214*crnicr,GenevaPhone：M1.22749O1.11Pub1.ishedinSwitzerhndContentsForewordiv5.1.21.ength5.2.2Typestracksystem35.3Measuring一.45.3.4Current-meterve1.ocityinfrastructure7.1.2Performance”“一._一一“.77.2.1Instructionse1.ectromagnetic7.2.5Presentation117.3.2Performanceca1.ibration12Wb1.iogiaph13iiiScope1Normativereferences1Termsanddefinitions1Princip1.eofca1.ibration一4.1 Statementoftheprincip1.e14.2 Accuracyofthemethod2Infrastructure5.1 Dimensionsofthetowingtank5.1.1 Genera1.5.1.3 Depthandwidth5.2 Towingcart35.2.1 Genera1.35.2.3 Cartoftowingcarts5.2.4 CartOPeI)ton.35.2.5 Cartcontro1.45.3.1 Gencra1.equipmcnt5.3.2 Distancemeasurement45.3.3 T*ieasurement.一.4Sourcesoferrorre1.atedtomeasurement5.4 Dataacquisition365.5 Dataprocessing6Cs1.cu1.dtionofUnccrtninty6Ca1.ibrationprocedure77.1 Ca1.ibrationofrotatinge1.ementcurrent-meters77.1.1 Suspensionofthecurrent-meter.77.1.3 Dataana1.ysisofca1.ibration7.1.4 PreSenta口OnOfreSU1.tS.*.>.>>.>.>>>.*.>.*97.2 Ca1.ibrationofe1.ectromagneticcurrent-meters10Mountingtheforca1.ibrationcurrent-meter7.2.3 Numberofca1.ibrationpoints107.2.4 Performanceofca1.ibration-117.2.6 Dataana1.ysisofresu1.ts7.3 Ca1.ibrationofacousticcurrent-metersforpointve1.ocitymeasurement111.1.1 forca1.ibration11MountingtheoIacousticcurrent-meter7.3.4 Dataana1.ysis127.3.5 Presentationofresu1.ts12ForewordISO(theInternationa1.OrganizationforStandardization)isawor1.dwidefederationofnationa1.standardsttiugh(ISOtnnhnfaaibif1.i>niKhMcekWpraptafigbodyhitttCTOti®daiibtanddjttet4OK)Whtdbkant>e<h0<mitteehasbeenestab1.ishedhastherighttoberepresentedonthatcommittee.Internationa1.organizations,governmenta1.andnon-governmenta1.,in1.iaisonwithISO,a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardization.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocumentandthoseintendedforitsfurthermaintenancearc蜩魄雌of1.SO1.ECtM1.如。t制蝴麻肝的蝴ferrdance圳'htheeditoria1.ru1.esofthe1SOIECDirectives,Part2(seewwwjso.org/dncc1.ives).ReionrigMs.d隘的n捌虱福破脚8ns曲F球阴R瞄晒啦H曲oc1.三&鼠犍赧.subjectofanypatentrightsidenti11edduringthedeve1.opmentCfthd4mwUw川beintheIntroductionand/orontheISO1.istofpatentdec1.arationsreceived(seewwsv.iso.org/pa1.ents).Anytradeusedinthisconstitutenameendorsement.documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsand哪蝴徐醐fi%ticnc。曲福P奥丧融Mth2阍辆解出tior研R箝2崛SOisoforeword.htn1.TfBM锹确中惶ftft三f!"e"fc°mmitteeISO/TC113,HydrometrySubcommitteeSC5rThisthirdeditioncance1.sandrep1.acesthesecondedition(ISO3455:2007),whichhasbeentechnica1.1.yrevised.Themainchangescomparedtothepreriouseditionsareasfo1.1.ows: asubc1.auseforca1.ibrationofacousticcurrent-metersforpointve1.ocitymeasurementhasbeenadded; c1.ausesreferringtooutdatedtrackingsystems1.iketracksystemsusingtoothbe1.tshavebeenremoved; c1.ttIratwi1.xnyrfcnrtMttdhtedtechniquefordataacquisition1.ikestripchartrecorderormagnetic thec1.auseforcomputerizeddataacquisitionandprocessingsystemhasbeenremoved; thec1.ausediscussingtheEppereffecthasbeenremoved.AnyfeedbackorquestionsonthisdocumentShouidbediFeu¼UoIheus*nationa1.standardsbody.Acomp1.ete1.istingofthesebodiescanbefoundatwww.iso.org/members.htm1.HydrometryCa1.ibrationofcurrent-metersinstraightopentanks1 Scopercquireshydrometriccurrent-metersthroughpointVe1.ocityameasurenientofowinginc1.udesmeasuring2 NormativereferencesconstitutesrequirementSIateStcditiondocument.referencedreferences,(1.nc1.udingamendments)app1.ies.app1.ies.ISO2537,Hydrometryr-Rotating-e1.ementcurrent-metersmeasurement(GUM:1995)3 TermsanddefinitionsISOandIECmaintaintermino1.ogica1.databasesforUSeinStiandardiZatiOnatthefo1.1.owingaddresses:E1.ectroPedia:CaIibrati¾1.h«pJ*wwUec"oPedii4.1Statementoftheprincip1.eve1.ocitycurrent-meter,ratethisrevo1.utionthecurrent-meterHiountedtheve1.ocitydirect1.yandindicatedCM*ki研林n3*w"3即mu1.a(e)rthespeedtoknowtheerrorinmeasurement1©ISO2021-A1.1.rightsresenedThisdocumentspecifiesaca1.ibrati
