Manual

PricipleofOperation
TheAM-DFASensortransmitscontinuoushighfrequencysoundthroughthepipewallintothe
owingliquid.SoundisreectedbacktotheSensorfromparticlesorgasbubblesintheliq-
uid.Iftheliquidisowing,thereectedsoundreturnsatanalteredfrequency(theDoppleref-
fect).TheAM-DFAcontinuouslymeasuresthisfrequencyshifttoaccuratelymeasureow.
Designedfor“difcult”liquids
TheAM-DFADopplerowmeterworksbestinapplica-
tionsthatwoulddefeatregularcontactingowmeters.
BecausetheSensorismountedontheoutsideofthe
pipe,itisunaffectedbyabrasivesorharshchemicals.
Thereisnoobstructiontoowandnopressuredrop.
EasytoInstall
EachAM-DFADopplerFlowMeterincludesastrap-onultrasonic
sensor,anadjustable
stainlesssteelmountingclampandsensorcoupling
compound.Thesensortsontheoutsideofanypipe
diameter½”(12.7mm)orlarger.Ittakesjustafew
minutestoinstall.Thereisnoneedtoshutdownow.
Simple,Single-HeadSensordesign
Ultrasonicsignalsaretransmittedandreceived
fromasingle-headsensor.Themountingclamp(in-
cluded)ensurescorrectsensoralignmentonhori-
zontalorverticalpipes.TheAM-DFAautomatically
self-tunestothecablelengthupto500ft.(152m).
WorksonmostPipes
TheAquametrixAM-DFAFlowMetermeasuresowinPVC,carbonsteel,stainlesssteel,
castiron,berglass,andlinedpipes...anypipematerialthatconductsultrasound.Dop-
plersignalscannottransmitthroughpipewallswhichcontainairpockets(e.g.con-
creteorwood),orloosepipeliners(withanairgapbetweenthelinerandpipewall).
BacklitMatrixDisplaywithSimple,5-keyMenuSystem
CalibrationiseasywiththenewAM-DFAuser-friendlymenusystem.Pressthearrowkeystoscroll
through menus, changesettingsand entercalibration values.YoucanselectEnglish, Frenchor
Spanishmenus,enableapasswordtoprotectsettingsandcontrolbrightnessofthedigitaldisplay.
ReverseFlowMeasurement
TheAM-DFAmeasuresowineitherdirectionanddisplays
positiveornegativevalues.YoucancontroltheTotalizerto
subtractreverseow,ortototalizeforwardowonly.The
4mAsettingcanalsobeadjustedtoanegativeowsetting.
OptionalDataLoggerwithUSBThumbDriveSupport
OrderyourAM-DFADopplerFlowMeterwithanoptional
built-in2millionpointdatalogger.ItincludesWindowssoft-
waretodisplayowchartsandtables,andtocreatedy-
namicowreports.JustpluginastandardUSBashdrive
andloglesaredownloadedautomatically-andfast!
EnhancedSignalProcessingforreliableAccuracy
TheAM-DFADopplerowalgorithmltersoutbackgroundnoiseandinterference.Thedigital
signalprocessordiscriminatesagainstweakanddistortedsignals.Whentheprocessorcan-
notmeasureaccuratelythemeterwilldisplayzeroowandindicatelowsignalcondence.
www.WaterAnalytics.net 978-749-9949 Toll free - 855-747-7623 (855-pHProbe)
Model DFM-5.0 Doppler Flow Monitor
Measures Flow with Strap-On Ultrasonic Sensor