ALPHA4100A5.docx

ALPHA4100A5.docx

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ALPHA4100A5

ALPHASONICTM

MODELAlpha4100

INSTRUCTIONMANUAL

for

AreaVelocityFlowMeter

DELTA-PHASEELECTRONICS,INC.

Address:

4212E.CEDARWOODLANE,PHOENIXAZ85048

Phone:

（480）704-5283Fax:

（480）759-4612http:

//www.delta-

PREFACE

WearegratefulforyourpurchaseofDelta-phase’sultrasonicflowmeter.

✧Firstreadthisinstructionmanualcarefullyuntilanadequateunderstandingisacquired,andthenproceedtoinstallation,operationandmaintenanceoftheconverter（sensor）oftheultrasonicflowmeter.Wronghandlingmaycauseanaccidentorinjury.

✧Thespecificationsofthisflowmeteriswillbechangedwithoutpriornoticeforfurtherproductimprovement.

✧Modificationofthisflowmeterisstrictlyprohibitedunlessawrittenapprovalisobtainedfromthemanufacturer.Delta-phasewillnotbearanyresponsibilityforatroublecausedbysuchamodification.

✧Thisinstructionmanualshallbestoredbythepersonwhoactuallyusedtheflowmeter.

✧Afterreadingthemanual,besuretostoreitataplaceeasiertoaccess.

✧Thisinstructionmanualshouldbedeliveredtotheenduserwithoutfail.

CONTENT

CHAPTER1–INTRODUCTION3

1.1ModelAvailable3

1.2PrincipleofOperation5

1.3TypicalApplications5

1.4FlowMeasurementTechniques6

1.5SafetyInstructions10

CHAPTER2-INSTALLATION13

2.1Incomingacceptance,Transport,Storage13

2.1.1Incomingacceptance13

2.1.2Transport13

2.1.3Storage13

2.2OperationFactors15

2.3Sensorinstallation15

2.3.1Flow-SensorInstallation15

2.3.2Level-SensorInstallation16

2.4TransmitterInstallation18

CHAPTER3-WIRING19

3.1Warning:

19

3.2Wiringthetransmitter20

3.3ConnectionCheck22

CHAPTER4-OPERATION24

4.1DataDisplay24

4.2ParameterInput25

4.3Menu29

CHAPTER5-TROUBLESHOOTING33

CHAPTER6-ADVANTAGES38

CHAPTER7-SPECIFICATIONS41

CHAPTER8-DIMENSIONS44

8.1Transmitterdimensions:

44

8.2Transducerdimensions:

45

8.3levelTransmitterdimensions46

CHAPTER9-WARRANTY47

CHAPTER1–INTRODUCTION

1.1ModelAvailable

Transmitter:

Alpha4100–4–AC1

1-on-line

6-portable

4-standardhousing

ProtectionClass-NEMA4X（IP66）

7-explosionproof

ProtectionClass-NEMA7

P-portable,specialhousing

AC1-110VACpowersupply

AC2-220VACpowersupply

DC-24VDCpowersupply

BAT-portable,specialbattery

Flow-Sensor:

Alpha4000–XDR–CXX

C10-10FT（standard）

C25-25FT

Speciallylessthen1000FT

Level-Sensor

XDS–1000–CXX

C10-10FT（standard）

C25-25FT

Speciallylessthen750FT

1.2PrincipleofOperation

TheAlpha4000AreaVelocityFlowMeterusesasubmerged1MHzDopplersensorandanon-contact47kHzultrasoniclevelsensor,measureslevelandvelocityintwochannelsandcalculateflowbasedonthecurrentlevelandtheformula:

WettedAREAmultipliedtimesVELOCITYequalsflow.

It’soneofyourbestoptionsofflowmeasurementforopenchannelandnon-fullpipewithoutprimarydevice.TheportableversioncouldbeaPortableVelocityMeterforshorttermflowstudiesandsanitarysewerevaluationstudies.

Alpha4000measuresaveragevelocitydirectly,withouttheneedfortimeconsumingflowprofiling,significantlyreducingthecostofinstallationandoperation.

1.3TypicalApplications

ThemeasuringdevicedescribedinthisOperatingInstructionistobeusedonlyformeasuringtheflowoffluidsinclosedpipes.

-Acids,alkalis,paints,oils,etc.

-liquefiedgas,solvent,etc.

-Ultrapurewaterwithlowconductivity,water,wastewater,etc.

1.4FlowMeasurementTechniques

Underthecompetitiveindustrialenvironment,theefficiencyofamanufacturingoperationisdirectlylinkedtotheprofitabilityofacompany.Incompanieswherethedailyoperationsinvolvestheuseofliquids,themeasurementofthesecomponentsisnecessary.Theabilitytomakeaccurateflowmeasurementsandcontroltheprocesswillcontributetothesuccessofacompany'soperations.Plantsafety,processcontrol,productionoutputandleakdetectionaretypicalreasonstomeasuretheflowoffluids.

Manyflowmeasurementinstruments,determinetheflowrateindirectlybymeasuringthevelocityordependonthepressuredifferentialthatisforcingtheliquidthroughapipeorconduit.Becausethepipe'scross-sectionalareaisknownandremainsconstant,theaveragevelocityisanindicationoftheflowrate.Thebasicrelationshipbetweentheflowrateandliquidflowinsuchcasesis:

Where:

Q=liquidflowthroughthepipe

V=averagevelocityoftheflow

A=cross-sectionalareaofthepipe

Intheabovecalculationformula,Aismeasuredbythelevel-sensorasbelowcases:

Whenliquidlevelbelowthecenterofthepipes:

Whenliquidlevelabovethecenterofthepipes:

Where

ReynoldsNumbers

Factorsthataffectflowrateincludetheviscosity,density,andthefrictionresultingfromcontactwiththepipe.

AflowmetersperformanceisinfluencedbyadimensionlessnumbercalledtheReynoldsNumber.Itisdefinedastheratioofliquid'sinertialforcestoitsdragforces.

Theequationforliquidflowis:

Where:

R=Reynoldsnumber

Q=flowrate

SG=liquid'sspecificgravity

D=insidediameterofthepipe

U=Viscosityincentipoises

Therateofflowandthespecificgravityareinertiaforces,andthepipediameterandviscosityaredragforces.Thepipe'sinsidediameterandthespecificgravityremainconstantformostliquidapplications.Atverylowvelocitiesorhighviscosity,Rislow,andtheflowrunsinsmoothlayerswiththehighestvelocityatthecenterofthepipeandlowvelocitiesatthepipewallwheretheviscousforcesrestrainit.ThistypeofflowiscalledlaminarflowandtheRvaluesarebelowapproximately2000.Acharacteristicoflaminarflowistheparabolicshapeofitsvelocityprofile.Manyapplicationsinvolveturbulentflow,withRvaluesabove4000.Turbulentflowoccursathighvelocitiesand/orlowviscosity.Theflowbreaksupthesameaveragevelocitiesinthecenterofthepipeaswellasthosenearthepipewall.Undertheseconditionsthevelocityislesssignificant,andthevelocityprofileismuchmoreuniforminshape.Atransitionalorcriticalzoneexistsbetweenturbulentandlaminarflows（R#'s2000-4000typically）Dependingonthepipingconfigurationandotherinstallationconditions,theflowmaybeeitherturbulentorlaminarinthiszone.

Approximately2000.Acharacteristicoflaminarflowistheparabolicshapeofitsvelocityprofile.Manyapplicationsinvolveturbulentflow,withRvaluesabove4000.Turbulentflowoccursathighvelocitiesand/orlowviscosity.Theflowbreaksupthesameaveragevelocitiesinthecenterofthepipeaswellasthosenearthepipewall.Undertheseconditionsthevelocityislesssignificant,andthevelocityprofileismuchmoreuniforminshape.Atransitionalorcriticalzoneexistsbetweenturbulentandlaminarflows（R#'s2000-4000typically）Dependingonthepipingconfigurationandotherinstallationconditions,theflowmaybeeitherturbulentorlaminarinthiszone.

1.5SafetyInstructions

Themanufactureracceptsnoliabilityfordamageresultingfromincorrectuseorotherthandesignateduse.

Note:

1）Installation,connectiontotheelectricityunits,commissioningandmaintenanceofthedevicemustbecarriedoutbytrained,qualifiedspecialistsauthorizedtoperformsuchworkbythedevice'sowner-operator.ThespecialistmusthavereadandunderstoodtheOperatingInstructionsandmustcomplytheinstructions.

2）Thedevicemustbeoperatedbypersonsauthorizedandtrainedbytheplantoperator.StrictcompliancewiththeinstructionsintheOperatingInstructionsismandatory.

3）Delta-phaseElectronic.Incwillbewillingtoassistinclarifyingthechemicalresistancepropertiesofpartswettedbyspecialfluids,includingfluidsusedforcleaning.

4）Ifweldingworkisperformedonthepipingsystem,donotgroundtheweldingappliancethroughtheUltrasonicFlowMeter.

5）Theinstallermustensurethatthemeasuringsystemiscorrectlywiredinaccordancewiththewiringdiagrams.Thetransmittermustbegrounded,unlessthepowersupplyisisolated.

6）Generally,localregulationsoftheopeningandrepairofelectricaldevicesarealsoapply.

Operationalsafety

Note:

1）ThemeasuringdevicecomplieswiththegeneralsafetyrequirementsinaccordancewithrequirementsofNEMA4XRecommendation.

2）Themanufacturerreservestherighttomodifytechnicaldatawithoutpriornotice.YourDeltaphasedistributorwillsupplyyouwithcurrentinformationandupdatestotheseOperatingInstructions.

Return

Thefollowingproceduresmustbecarriedoutbeforerepairorcalibration.Forexample,returnedtoDeltaphase:

1）Always,encloseafullycompleted“Declarationofcontamination”form.OnlyinthiswaycanDeltaphasetransport,examineandrepairareturneddevice.

2）Enclosespecialhandlinginstructionsifnecessary,forexampleasafetydatasheet.

3）Removeallfluidresidues.Payspecialattentiontothegroovesforsealsandcreviceswhichcouldcontainfluidresidues.Thisisparticularlyimportantifthefluidishazardoustohealth,e.g.flammable,toxic,caustic,carcinogenic,etc.

Warning:

1）Donotreturnameasuringdeviceifyouarenotsurethatalltracesofhazardoussubstanceshavebeenremoved,e.g.substanceswhichhavepenetratedcrevicesordiffusedthroughplastic.

2）Costsincurredforwastedisposalandinjury（causticburns,etc.）duetoinadequatecleaningwillbechargedtotheowner-operator.

3）Thedevicesaredesignedtomeetstate-of-the-artsafetyrequirements.Theyhavebeentestedandleftthefactoryintheconditionofwhichtheyaresafetooperate.Thedevicescomplywiththeapplicablestandar