PFlow Industries D118 User manual

Revision:3.0.2 Page1of82
Ultrasonic Flowmeter Instruction Manual
Model: D118
Update
Record
Revision 3.0.2
Date 04 . 2018

Revision:3.0.2
Notice
Thankyou forchoosing the D118
Ultrasonic
sending technology.
Thisinstruction manualcontainsimportantinformation. Pleaseread carefullybefore the operation ofthe
flowmeter,
avoiding damaging flowmeterand improperuse.
Thisinstruction manualwill introduce
howto usethe flowmeterstep
installation, wiring, quick setup
etc. to make it easierto operate.
Understanding more aboutthe menu settingscan fulfill yourhigherrequirementswith the flowmet
function option and outputfunction.
Warning
Maycause injury.
Attention
Maydamage the flowmeter
Some ofthe instructionsmaybe differentto the flowmeters
requirements, otherwise, there isno indication aboutthe productdesign and upgrade requirement
instructions, subjectto the flowmeterdisplay, lease referto the version number, aswell asthe appendix.
D118
Ultrasonic Flowmeter
Ultrasonic
Flowmeterwith ARM.FPGAchip and low-
voltage wide
Thisinstruction manualcontainsimportantinformation. Pleaseread carefullybefore the operation ofthe
avoiding damaging flowmeterand improperuse.
howto usethe flowmeterstep
-by-step, including product
c
etc. to make it easierto operate.
Understanding more aboutthe menu settingscan fulfill yourhigherrequirementswith the flowmet
Maydamage the flowmeter
.
Some ofthe instructionsmaybe differentto the flowmeters
you purchased, depending on configuration
requirements, otherwise, there isno indication aboutthe productdesign and upgrade requirement
instructions, subjectto the flowmeterdisplay, lease referto the version number, aswell asthe appendix.
Ultrasonic Flowmeter
Page2of82
voltage wide
-pulse
Thisinstruction manualcontainsimportantinformation. Pleaseread carefullybefore the operation ofthe
c
omponent,
Understanding more aboutthe menu settingscan fulfill yourhigherrequirementswith the flowmet
ers powerful
you purchased, depending on configuration
in the
instructions, subjectto the flowmeterdisplay, lease referto the version number, aswell asthe appendix.

Revision:3.0.2
Product Component
Inspection should be made before installing the Flowmeter. Check to see if the spareparts are in accordance with
the packing list. Make sure thatthere isno damage to theenclosure due to a loose screworloose wire, orother
damage
thatmayhave occurred during transportation. Any questions, please contactyourrepresentative assoon
aspossible.
PipeStraps
Screws and
plastic bushings
SDCard Reader
Software
Coupling compound
Accessories
Transmitter
Model:D118
D118
Ultrasonic Flowmeter
Product Component
s
Inspection should be made before installing the Flowmeter. Check to see if the spareparts are in accordance with
the packing list. Make sure thatthere isno damage to theenclosure due to a loose screworloose wire, orother
thatmayhave occurred during transportation. Any questions, please contactyourrepresentative assoon
Screws and
plastic bushings
Coupling compound
1.Instruction Manual
2.Packing List
3.Certified 3-
Point FactoryCalibration
4.Position drawing
5.Application Worksheet
Transducers
Documents
Ultrasonic Flowmeter
Page3of82
Inspection should be made before installing the Flowmeter. Check to see if the spareparts are in accordance with
the packing list. Make sure thatthere isno damage to theenclosure due to a loose screworloose wire, orother
thatmayhave occurred during transportation. Any questions, please contactyourrepresentative assoon
Point FactoryCalibration

Revision:3.0.2
1
Transmitter Installationand Connection
1.1
InspectionPrior toTransmitter Installation
1.2 WireConnecting................................
................................
1.2.1 Power SupplyOption
................................
1.2.2 Transmitter Wiring
................................
1.3 Powering On................................
................................
1.4 KeypadFunctions
................................
1.5 KeypadOperation
................................
1.6 Flowmeter WindowDescriptions
................................
2
PipeParameter EntryShortcuts
2.1
Dual FunctionKeysMenuDescription
2.2 Examples................................
................................
3MeasurementSite Selection
................................
4Transducer Installation
................................
4.1 Transducer Installation
................................
4.2 Transducer Spacing
................................
4.3 Transducer Mounting Methods
................................
4.3.1 VMethod ................................
................................
4.3.2 ZMethod................................
................................
4.3.3 NMethod (notcommonlyused)
................................
4.4 Transducer Mounting Inspection
................................
4.4.1 Signal Strength
................................
4.4.2 Signal Quality(Qvalue)
................................
4.4.3 Total TimeandDelta Time
................................
4.4.4 Transit TimeRatio
................................
4.4.5 Warnings................................
................................
5Operating Instructions
................................
5.1 SystemNormal Identification
................................
5.2 LowFlowCutoff Value
................................
5.3 Zero Settings................................
................................
5.4 Scale Factor ................................
................................
5.5 SystemLock................................
................................
5.6 4~20mACurrentLoop Output
................................
5.7 FrequencyOutput
................................
5.8 TotalizerPulseOutput
................................
5.9 AlarmProgramming
................................
5.10 BatchController................................
................................
D118
Ultrasonic Flowmeter
Content
Transmitter Installationand Connection
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InspectionPrior toTransmitter Installation
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PipeParameter EntryShortcuts
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Dual FunctionKeysMenuDescription
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Revision:3.0.2
5.11 4-20mAAnalogOutputCalibration
................................
5.12 SD Card Operation
................................
5.12.1 Specifications
................................
5.12.2
Install or RemovetheSD Card while theMeter isPoweredOn
5.12.3
ReadingtheSD Data InternallywiththeInstrumentPoweredOn
5.12.4 ReadingtheSD Data Externally
................................
5.13 ESN................................
................................
6Windows Display Explanations
................................
6.1 WindowsDisplayCodes
................................
6.2 DisplayExplanations
................................
7ErrorDiagnoses
................................
7.1
Table 1. Error CodesandSolutions(DuringOperation)
7.2 FrequentlyAskedQuestionsandAn
swers
8Product Overview
................................
8.1 Introduction................................
................................
8.2 FeaturesofD118................................
................................
8.3 TheoryofOperation
................................
8.4 Applications................................
................................
8.5 Specifications................................
................................
9Appendix1
W211 InsertionTransducer
9.1 Overview................................
................................
9.2 MeasurementPointSelection
................................
9.3
Determining Transducer Spacing &Transducer Installation
9.4 Transducer Mounting Methods
................................
9.5 ZMountingMethod
................................
9.6 PipeParameter EntryShortcuts
................................
10 Appendix2
W110 InsertionTransducer
10.1 Overview................................
................................
10.2 MeasurementPointSelection
................................
10.3
Determining Transducer Spacing andInstallationMethod
10.4 Menu SetupInstructions
................................
10.5 InstallationMethod
................................
10.5.1 ZMountingMethod
................................
10.5.2 VMountingMethod
................................
11 Appendix3
WHInsertionTransducer
11.1 Overview................................
................................
11.2 MeasurementPointSelection
................................
11.3
Determining Transducer Spacing &Transducer Installation
11.4
WHTypeInsertionTransducer PipeParameter
D118
Ultrasonic Flowmeter
................................
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Install or RemovetheSD Card while theMeter isPoweredOn
................................
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ReadingtheSD Data InternallywiththeInstrumentPoweredOn
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Table 1. Error CodesandSolutions(DuringOperation)
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swers
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W211 InsertionTransducer
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Determining Transducer Spacing &Transducer Installation
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W110 InsertionTransducer
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Determining Transducer Spacing andInstallationMethod
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WHInsertionTransducer
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Determining Transducer Spacing &Transducer Installation
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WHTypeInsertionTransducer PipeParameter
EntryShortcuts................................
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Ultrasonic Flowmeter
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Revision:3.0.2
11.5
WHTypeTransducer Mounting Methods
11.5.1 ZMountingMethod
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11.5.2 VMountingMethod
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12 Appendix4
SerialInterface NetworkUseand Communications Protocol
12.1 Overview................................
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12.2 Serial PortDefinitions
................................
12.3
Direct connectionvia RS232 tothehostdevice
12.4
CommunicationsProtocolandtheUse
12.4.1 FUJI Protocol
................................
12.4.2
MODBUS CommunicationProtocol
13 Appendix5
RTDModuleand PT1000 Wiring (ModuleOptional)
13.1 RTDEnergyMeter Function
................................
13.2 Wiring (PT1000)................................
................................
13.3 EnergyMeasurementMethods
................................
13.4 TemperatureCalibrationMethods
................................
14 Appendix6 Energy Meter
................................
14.1 EnergyMeter Function
................................
14.2 Wiring................................
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14.3 EnergyCalculationMethod
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14.4 Set TemperatureValueRange
................................
15 Appendix7-
FlowApplicationData
15.1
SoundVelocityandViscosityfor FluidsCommonly
15.2
SoundVelocityfor VariousMaterialsCommonlyUsed
15.3
SoundVelocityinWater (1 atm) at DifferentTemperatures
Update Information:
___________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________
D118
Ultrasonic Flowmeter
WHTypeTransducer Mounting Methods
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SerialInterface NetworkUseand Communications Protocol
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Direct connectionvia RS232 tothehostdevice
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CommunicationsProtocolandtheUse
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MODBUS CommunicationProtocol
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RTDModuleand PT1000 Wiring (ModuleOptional)
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FlowApplicationData
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SoundVelocityandViscosityfor FluidsCommonly
Used................................
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SoundVelocityfor VariousMaterialsCommonlyUsed
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SoundVelocityinWater (1 atm) at DifferentTemperatures
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________________________________
Ultrasonic Flowmeter
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Revision:3.0.2
1
TransmitterInstallation and Connection
1.1 Inspection P
rior toTransmitterInstallation
Youwill find a"Position Drawing"inthe
packing. Pleaseuseit asatemplateinthe
place thatyou aregoing toinstall the
flowmeter.Then drill 4installation holes
atthe screwposition shownonthe
drawing with the 5.5mm drill.
Take outthe enclosed screwsand plastic
bushings.Insert the plasticbushingsinto
the installing holes.Then open thetwo
aluminumpieceson the twosidesofthe
top cover.Putthe flowmeterintothe
position and screwit in.
Attention
When installing please ensure the frontcoverissecure and will notfall open.
D118
Ultrasonic Flowmeter
TransmitterInstallation and Connection
rior toTransmitterInstallation
When installing please ensure the frontcoverissecure and will notfall open.
120 mm
182 mm
7.17lnch
4.72lnch
Positiondrawing
Instrutions:
1.Place thistemplate on thewalland drill 4holesof8mm
2. Insertaplastic bushing intoeachof the4holes.
3. Screw4pcsST5.5X50mm self tappingscrewsthrough the
4. Tightenthescrewstosecuretotheenclosureon thewall.
transmitter enclosurebaseandattachit tothewall.
diameter &50mm deep.
MODELDCT1188
DigitalCorrelationTransit-TimeFlowmeter
182mm
7.17lnch
120mm 4.72lnch
Model:D118
Ultrasonic Flowmeter
Page7of82
1.Place thistemplate on thewalland drill 4holesof8mm
3. Screw4pcsST5.5X50mm self tappingscrewsthrough the
4. Tightenthescrewstosecuretotheenclosureon thewall.

Revision:3.0.2
1.2 WireConnecting
1.2.1 Power SupplyOption
Customers should payspecialattention to specifythe desired powersupplywhen
Factorystandard powersupplyis90 ~
245 VAC.
To ensure the transmittercanwork normally, please payattention to the followingswhen wiring:
Ensure thatpowerconnec
tionsare made in accordance with the specificationsshownon the transmitter.
Transmitters can be poweredbytwo differentpowersupplies:90
1.2.2 Transmitter Wiring
Once the electronicsenclosure hasbeeninstalled, the flowmeterwiring
Openthe case, you will find the
Powerboard wiring ports
Connectto ACpower(90-
245V),DCpower(10
wiring, 4-
20mAOutput,RS232 Output, RS485
Fordouble-shielded transducercable:"-
"on the black wire, "+"on the red wire and "shield"on the shield
Referto the belowdiagramforspecific connection:
Warning
Wire when it ispower-off. R
eliable gro
and use .
Use eitherACorDC powersupply. Do notconnectthemboth atthe same time.
Red wire
Red Bushing
ACPower
LNE
AC90～245V
DC+DC-
DC10-36V
RL1 RL2
RELAY
Black wire
Shieldwire
D118
Ultrasonic Flowmeter
Customers should payspecialattention to specifythe desired powersupplywhen
wiring.
245 VAC.
To ensure the transmittercanwork normally, please payattention to the followingswhen wiring:
tionsare made in accordance with the specificationsshownon the transmitter.
Transmitters can be poweredbytwo differentpowersupplies:90
~245VACor10-36VDC.
Once the electronicsenclosure hasbeeninstalled, the flowmeterwiring
can be connected.
Powerboard wiring ports
, fromleft to right, are asfollows;
245V),DCpower(10
-
36V), RelayOutput, OCTOutput,Analog Input, Transducer
20mAOutput,RS232 Output, RS485
Output.
"on the black wire, "+"on the red wire and "shield"on the shield
Referto the belowdiagramforspecific connection:
eliable gro
unding mustbe taken forthe instrument
before installation
Use eitherACorDC powersupply. Do notconnectthemboth atthe same time.
Down-Stream
Black wire
BlueBushing
Red Bushing
Up-Stream
Flow
RL1 RL2
RELAY
OCT+OCT-
OCTOUT
AI1AI2GND
ANALOG IN
EUP+UP- E DN+DN-
TRANSDUCER
I+I-
TX RXGND AB
4-
20mARS232 RS485
Red wire
Shieldwire
Ultrasonic Flowmeter
Page8of82
tionsare made in accordance with the specificationsshownon the transmitter.
36V), RelayOutput, OCTOutput,Analog Input, Transducer
"on the black wire, "+"on the red wire and "shield"on the shield
wire.
before installation
Black wire
TX RXGND AB
20mARS232 RS485
Red wire
Shieldwire

Revision:3.0.2
1.3 PoweringOn
Assoonasthe flowmeter
isswitched on, the systemwillrun automaticallyaccording tothe lastinputparameters.
Ifthe installation isaccomplished when systemisswitched on, gain adjustmentcan be monitored in WindowM01.
Aftercode "*R"
aredisplayed on the upperleft corne
measurementcondition automatically.It isindicated bycode
Ifitisthe firsttime to use orinstall on a newsite, the customerneed to inputthe newinsta
Anyparameters which are setbyuserwill be saved permanentlyuntil theyare changed bythe user.
When the usermodifiesthe parameters and removesthe transducers, the meterwill recalculate automatically, and
operate normallywith the parameters.
The flowmetercan alwayscompleteall tasksatthe sametime. The tasks(Including measurement,output,etc)
will be carried outasusual,no matterinwhich displaywindow.
settingsand automaticallydisplaythem
when the flowmeteris
1.4 KeypadFunctions
Followthese guidelineswhen using the
dualfunction
~ and
InputNumbers or
Menu Code.
Backspace ordelete characters t
o the left.
and
Returntothe lastmenu oropen the
nextmenu. Actsas"+"and "-
"areused toenter
numbers.
Selectamenu. Press thiskeyfirst,then input
twomenu numbers todisplaythe selected menu. For
example, ToInputapipeoutside diameter
keys,where"11"
isthe window
IDto displaythe parameterforpipe outside diameter.
、 、 、 、
areshortcutstothe windowsfor
FlowRate
SignalStrengthand SignalQuality,
Totalizer
Transit Time Ratio, and System
ErrorCodes
1.5 KeypadOperation
The flowmeteradoptsthe windowsoftwaredesign toconsolidateorsubdivide all ofthe parameters entered, the
instrumentsetup and measurementresult displaysintomorethan 100 i
inputparameters,modifysettingsordisplaymeasurementresultsby"visiting"aspecificwindow.Thesewindows
arearranged by2-
digit serialnumbers (including "+"sign)from00 ~99, then to+0, +1, etc. Each window
number,orso-
called windowIDcode,hasa definedmeaning. Forexample, WindowM11 indicatesthe parameter
inputforpipe outside diameter,whileWindowM25 indicatesthe mounting spacing between the transducers,etc.
(Refer –WindowsDisplay Expla
nations).
The keypad shortcuttovisitaspecificwindowistopress the
windowIDcode. Forexample, toinputorcheckthe pipeoutside diameter,justpress the
keysforwindowIDcode 11.
Anothermethod tovisit aparticularwindowistopress
example, if the currentwindowIDcode isM02, press
D118
Ultrasonic Flowmeter
isswitched on, the systemwillrun automaticallyaccording tothe lastinputparameters.
Ifthe installation isaccomplished when systemisswitched on, gain adjustmentcan be monitored in WindowM01.
aredisplayed on the upperleft corne
rofthe screen, the systemwillactivatethe normal
measurementcondition automatically.It isindicated bycode
"*R"on the upperleft
cornerofthe screen.
Ifitisthe firsttime to use orinstall on a newsite, the customerneed to inputthe newinsta
llation site
Anyparameters which are setbyuserwill be saved permanentlyuntil theyare changed bythe user.
When the usermodifiesthe parameters and removesthe transducers, the meterwill recalculate automatically, and
The flowmetercan alwayscompleteall tasksatthe sametime. The tasks(Including measurement,output,etc)
will be carried outasusual,no matterinwhich displaywindow.
The systemwilldefault tothelastwindow
when the flowmeteris
power-on.
dualfunction
keypad (Referto Keypad Figure):
InputNumbers or
o the left.
Returntothe lastmenu oropen the
"areused toenter
Selectamenu. Press thiskeyfirst,then input
twomenu numbers todisplaythe selected menu. For
example, ToInputapipeoutside diameter
,press
isthe window
IDto displaythe parameterforpipe outside diameter.
、
FlowRate
,Velocity,
Totalizer
,Velocity,
ErrorCodes
.
The flowmeteradoptsthe windowsoftwaredesign toconsolidateorsubdivide all ofthe parameters entered, the
instrumentsetup and measurementresult displaysintomorethan 100 i
ndependentwindows.The operatorcan
inputparameters,modifysettingsordisplaymeasurementresultsby"visiting"aspecificwindow.Thesewindows
digit serialnumbers (including "+"sign)from00 ~99, then to+0, +1, etc. Each window
called windowIDcode,hasa definedmeaning. Forexample, WindowM11 indicatesthe parameter
inputforpipe outside diameter,whileWindowM25 indicatesthe mounting spacing between the transducers,etc.
nations).
The keypad shortcuttovisitaspecificwindowistopress the
keyatanytime, then inputthe 2
windowIDcode. Forexample, toinputorcheckthe pipeoutside diameter,justpress the
Anothermethod tovisit aparticularwindowistopress
and
keystoscroll the screen.For
example, if the currentwindowIDcode isM02, press
keytoenterWindowM01, press the
Ultrasonic Flowmeter
Page9of82
isswitched on, the systemwillrun automaticallyaccording tothe lastinputparameters.
Ifthe installation isaccomplished when systemisswitched on, gain adjustmentcan be monitored in WindowM01.
rofthe screen, the systemwillactivatethe normal
cornerofthe screen.
llation site
parameters.
Anyparameters which are setbyuserwill be saved permanentlyuntil theyare changed bythe user.
When the usermodifiesthe parameters and removesthe transducers, the meterwill recalculate automatically, and
The flowmetercan alwayscompleteall tasksatthe sametime. The tasks(Including measurement,output,etc)
The systemwilldefault tothelastwindow
The flowmeteradoptsthe windowsoftwaredesign toconsolidateorsubdivide all ofthe parameters entered, the
ndependentwindows.The operatorcan
inputparameters,modifysettingsordisplaymeasurementresultsby"visiting"aspecificwindow.Thesewindows
digit serialnumbers (including "+"sign)from00 ~99, then to+0, +1, etc. Each window
serial
called windowIDcode,hasa definedmeaning. Forexample, WindowM11 indicatesthe parameter
inputforpipe outside diameter,whileWindowM25 indicatesthe mounting spacing between the transducers,etc.
keyatanytime, then inputthe 2
-digit
keystoscroll the screen.For
keytoenterWindowM01, press the

Revision:3.0.2
button againtoenterWindowM00;then,pressthe
again to enterWindowM02.
Windowsareseparated intothree types:(1)DataType,such asM11, M12;(2)Option Type, such asM14;(3)
PureDisplayType, such asM01, M00.
Youcancheckthe correspondingparameters byvisiting theDataType Windows.Ifyou wanttomodifythe
parameters,inputthe digitsand press
confirm.
Example1:Toenterapi
pe outside diameterof2
procedure isasfollows:
Press
keystoenterWindowM11(the
numericalvalue displayed currentlyisapreviousvalue).Now
press key.The symbol">"
and the flashing cursorare
displayed atthe left end ofthe second
line onthe Screen.
inputthe parameters; ordonotpressthe
enter .
Youcan checkthe selectedoption byvisiting Option T
Windows.Ifyou wanttomodifyit,youmustpress
first,the symbol">"
and theflashing cursoraredisplayedatthe
left ofthe Screen. Operatorcan usethe
scroll the screen and getthe required value then press
confirm;orenterthe corresponding value option directlyand
press to confirm.
Forexample, if
the pipe materialis"Stainless
toenterWindowM14, press
modifythe options.Selectthe "1. Stainless Steel"option by
pressing and , then press
selection;Itispossibletopress
selection and wait until "1.Stainless Steel"isdisplayedon the
second line ofthe screen, then press
Attention
Generally, press
keyfirstif operatorwantsto enter
notpossible even afterpressing the
"Unlock"it, select"Unlock"
in WindowM47 and enterthe originalpassword.
1.6
FlowmeterWindowDescriptions
These windowsareassigned asfollows:
00 ~09Displaymenus
:todisplayflowrate, positivetotal,negativetotal,nettotal,velocity,date&time,
presentanalog output,
presentoperation and flowresultstoday, etc.
10 ~29
InitialParameterSetup:toenterpipe outsid
transducermounting method
and spacing, etc.
D118
Ultrasonic Flowmeter
button againtoenterWindowM00;then,pressthe
keytoback Windo
wM01,andpress the
Windowsareseparated intothree types:(1)DataType,such asM11, M12;(2)Option Type, such asM14;(3)
Youcancheckthe correspondingparameters byvisiting theDataType Windows.Ifyou wanttomodifythe
orpress
first,inputthe digitsthen press
pe outside diameterof2
00, the
keystoenterWindowM11(the
numericalvalue displayed currentlyisapreviousvalue).Now
and the flashing cursorare
line onthe Screen.
Then
key,directly
Youcan checkthe selectedoption byvisiting Option T
ype
Windows.Ifyou wanttomodifyit,youmustpress
and theflashing cursoraredisplayedatthe
and to
scroll the screen and getthe required value then press
to
confirm;orenterthe corresponding value option directlyand
the pipe materialis"Stainless
Steel",Press
toenterWindowM14, press
to
modifythe options.Selectthe "1. Stainless Steel"option by
toconfirmthe
keytochange the
selection and wait until "1.Stainless Steel"isdisplayedon the
to confirm.
keyfirstif operatorwantsto enter
"modify" status.Ifthe "
modify
notpossible even afterpressing the
key, itmeansthatsystemislocked bya password. To
in WindowM47 and enterthe originalpassword.
FlowmeterWindowDescriptions
:todisplayflowrate, positivetotal,negativetotal,nettotal,velocity,date&time,
presentoperation and flowresultstoday, etc.
InitialParameterSetup:toenterpipe outsid
ediameter,pipe wall thickness,fluidtype, transducertype,
and spacing, etc.
PipeOuter Diameter
>_
PipeMaterial[14
>
1.Stainless Steel
Ultrasonic Flowmeter
Page10of82
wM01,andpress the
key
Windowsareseparated intothree types:(1)DataType,such asM11, M12;(2)Option Type, such asM14;(3)
Youcancheckthe correspondingparameters byvisiting theDataType Windows.Ifyou wanttomodifythe
first,inputthe digitsthen press
againto
modify
" isstill
key, itmeansthatsystemislocked bya password. To
:todisplayflowrate, positivetotal,negativetotal,nettotal,velocity,date&time,
ediameter,pipe wall thickness,fluidtype, transducertype,
PipeOuter Diameter
PipeMaterial[14
1.Stainless Steel

Revision:3.0.2
30 ~38FlowUnitsOptions:
toselectthe flowunit such ascubic
on/off and resettotalizers, etc.
40 ~51Setup options:Scale
factor, systemlock (WindowM47),etc.
52 ~89Inputand outputsetup:
CLmode select, CL4mA/20mAoutputvalue, serialport parameter
90 ~98
Diagnoses:Signalstrengthand signalquality(WindowM90),TOM/TOS*100 (Win
sound velocity(WindowM92),totaltimeand deltatime(WindowM93),Reynoldsnumberand factor
(WindowM94),etc.
+0~-2
Appendix:poweron/off time, totalworking hours, on/off timesand a single
calculator.
Attention
The otherwindowsforhardware adjustment
2
PipeParameterEntryShortcuts
2.1 DualFunction KeysM
enu
Press key.
DisplayFlowRate.
The function isthe same with
WindowM02.
Press key.
DisplayVelocity.
The function isthe same with
WindowM01.
Press key.
DisplaySignalStrength and SignalQuality.
function isthe same with WindowM90.
Press key.
DisplayNetTotalizer.
The function isthe same
WindowM00.
Press key.
DisplayTransit Time Ratio.
The function isthe same
with WindowM91.
Press key.
DisplaySystemErrorCode.
The function isthe same
with WindowM08.
Press key.
EnterPipe OuterDiameterin WindowM11.
D118
Ultrasonic Flowmeter
toselectthe flowunit such ascubic
meter,literorother
units,can
factor, systemlock (WindowM47),etc.
CLmode select, CL4mA/20mAoutputvalue, serialport parameter
Diagnoses:Signalstrengthand signalquality(WindowM90),TOM/TOS*100 (Win
sound velocity(WindowM92),totaltimeand deltatime(WindowM93),Reynoldsnumberand factor
Appendix:poweron/off time, totalworking hours, on/off timesand a single
-
accuracyfunction
The otherwindowsforhardware adjustment
are reservedbythe manufacturer.
PipeParameterEntryShortcuts
enu
Description
The function isthe same with
The function isthe same with
DisplaySignalStrength and SignalQuality.
The
The function isthe same
with
The function isthe same
The function isthe same
EnterPipe OuterDiameterin WindowM11.
Flow0.1129m3/h*R
POS
0x1m3
Flow0.1129m3/h*R
Vel 1.0415m/s
Strength+Quality [90
UP:00.0DN:00.0Q=00
Flow0.1154m3/h
NET 0x1m3
TOM/TOS*100 [91
0.0000%
*R---------
System Normal
Pipe Outer Diameter
50
mm
Ultrasonic Flowmeter
Page11of82
units,can
turntotalizers
CLmode select, CL4mA/20mAoutputvalue, serialport parameter
,etc.
Diagnoses:Signalstrengthand signalquality(WindowM90),TOM/TOS*100 (Win
dowM91),flow
sound velocity(WindowM92),totaltimeand deltatime(WindowM93),Reynoldsnumberand factor
accuracyfunction
Flow0.1129m3/h*R
0x1m3
Flow0.1129m3/h*R
Strength+Quality [90
UP:00.0DN:00.0Q=00
Flow0.1154m3/h
*R
TOM/TOS*100 [91
0.0000%
Pipe Outer Diameter
mm

Revision:3.0.2
Press key.
EnterPipe Wall Thickness in WindowM12.
Press key.
EnterPipe Materialin WindowM14.
Press key.
EnterFluid Type in WindowM20.
Press key.
EnterTransducerMounting in WindowM24.
Press key.
Enterto start and stop ManualTotalizer
in turn.
Press key.
Displaythe Display/Hold Totalizerin turn.
Press key.
DisplayDynamic /NormalFlowRate and Velocityin
turn.
Press key.
EnterFluid Sound Velocityin WindowM92.
Press key
DisplayDate and Time in WindowM60.
Press key
Press
to start ManualTotalizer, then press
to end ManualTotalizer, press
StandardTotalizerto getthe finalKfactor. Complete
the calibration with pressing
to store.
Press key
Inputcode 1234 tosetzero.
D118
Ultrasonic Flowmeter
EnterPipe Wall Thickness in WindowM12.
EnterTransducerMounting in WindowM24.
in turn.
Displaythe Display/Hold Totalizerin turn.
DisplayDynamic /NormalFlowRate and Velocityin
EnterFluid Sound Velocityin WindowM92.
to start ManualTotalizer, then press
to input
StandardTotalizerto getthe finalKfactor. Complete
to store.
Pipe WallThickness
4
mm
Pipe Material[14
0. CarbonSteel
FluidType [20
0. Water
Transducer Mounting
0. V
60 sec
ON10.123 m3
Flow0.1129 m3/h*R
POS0X1m3
Flow0.1129 m3/h
Vel
1.0415
FluidSound Velocity
1443.4
YY-MM-
DD HH:MM:SS
03-04-04
10:05:04
ManualCalibrate
Press Ent
When Ready
SetZero
PleaseEnterPW
Ultrasonic Flowmeter
Page12of82
Pipe WallThickness
mm
Pipe Material[14
FluidType [20
Transducer Mounting
ON10.123 m3
Flow0.1129 m3/h*R
POS0X1m3
Flow0.1129 m3/h
Dyn
1.0415
m/s
FluidSound Velocity
1443.4
m/s
DD HH:MM:SS
10:05:04
When Ready

Revision:3.0.2
2.2 Examples
Forexample, letusyou havea pipe of219
mm outer
water, Pipe Materialiscarbon steelwith n
o Liner,
Step1. Pipe outer diameter:
Press
keysto enterWindow
M11, and enterthe pipe outside diameter, and then
press the keyto confirm.
Step2. Pipe wall thickness
Press the
keyto enterWindow
M12, and enterthe pipe wall thickness, and press the
keyto confirm.
Step3. Pipe Material
Press the
keysto enter
WindowM14, press the key, press
the
or keyto selectPipe
Material, and press th
keyto confirm.
Step 4. Liner MaterialParameters
(including thickness and sound velocity, if
needed
Press the
keyto enter
16, press the key, use the
or
keyto selectlinermaterialfromthe drop-
down
and then press the key.
Step 5. FluidType
Press the
keyto enter
20, press the key, use the
or
keyto selectfluid type fromthe drop-down
Menu
press the key.
Step6. Transducer Type
(The transmitterisavailableforvarioustransducer
types.)
Press the
keyto enterWindow
M23, press the key, move the
keyto selecttransducertype, and press the
keyto confirm.
D118
Ultrasonic Flowmeter
mm outer
diameterand 6mm wallthickness,
measuring mediumis
o Liner,
These parameters should be operat
ed asfollows:
keysto enterWindow
M11, and enterthe pipe outside diameter, and then
keyto enterWindow
M12, and enterthe pipe wall thickness, and press the
keysto enter
the
Material, and press th
e
needed
):
keyto enter
Menu
or
down
Menu,
keyto enter
Menu
or
Menu
, then
(The transmitterisavailableforvarioustransducer
keyto enterWindow
or
keyto selecttransducertype, and press the
PipeOuterDiameter
219mm
PipeWall Thickness
6
mm
PipeMaterial[14
0.CarbonSteel
Liner
Material[16
0
.None,NoLiner
FluidType [20
0. Water
Transducer Type [23
0.Standard
Ultrasonic Flowmeter
Page13of82
measuring mediumis
ed asfollows:
PipeOuterDiameter
219mm
PipeWall Thickness
mm
PipeMaterial[14
Material[16
.None,NoLiner
FluidType [20
Transducer Type [23

Revision:3.0.2
Step 7. Transducer Mounting Methods
Press the
keyto enter
24, press the key, use the or
to selecttransducer-mounting fromthe drop
-
Menu, thenpress the key.
(Detailson Chapter3.1.2 ).
Step 8. Adjust Transducer Spacing
Press the
keyto enter
25, accuratelyinstallthe transduceraccording to the
displayed transducermounting spacing and the selected
mounting method.
(Detailson Chapter3.1.1 ).
Step 9. Display MeasurementResults
Press
to enterMenu 01 to
displayflowrate. (Subjectto the realmeasurement. )
3
MeasurementSiteSelection
The installation ofthisultrasonic flowmeteristhe simplestone ofall kindsofflowmeters.
measuring site needed, plug the transducers on the pipe and then start the measurement.
When selecting ameasurementsite, it isimportantto selectan area where thefluid flowprofile isfullydeveloped
to guarantee a highlyaccurate me
asurement. Use the following guidelinesto selecta properinstallation site:
l
Choosea section ofpipe thatisalwaysfullofliquid, such asa verticalpipe with flowin the upwarddirection
ora full horizontalpipe.
lEnsure enough straightpipe length at
leastequalto the figure shown belowforthe upstreamand downstream
transducers installation. Tryto avoid Ensure enough straightpipe length atleastequalto the figure shown
belowforthe upstreamand downstreamtransducers installation.
lOn the horiz
ontalpipe, thetransducershould be mounted on the 9 and 3 ofthe pipe, avoiding the position of
6 and 12, in caseofthe signalattenuation caused bypipe atthe bottomsedimentorbubble
pipe.
l
Ensure thatthe measuring site temperature
l
Considerthe inside condition ofthe pipe carefully.Ifpossible, selecta section ofpipewhere the inside is
free ofexcessive corrosion orscaling.
l
Choosea section ofsound conducting pipe.
D118
Ultrasonic Flowmeter
keyto enter
Menu
key
-
down
keyto enter
Menu
25, accuratelyinstallthe transduceraccording to the
displayed transducermounting spacing and the selected
to enterMenu 01 to
displayflowrate. (Subjectto the realmeasurement. )
MeasurementSiteSelection
The installation ofthisultrasonic flowmeteristhe simplestone ofall kindsofflowmeters.
Onlyone suitable
measuring site needed, plug the transducers on the pipe and then start the measurement.
When selecting ameasurementsite, it isimportantto selectan area where thefluid flowprofile isfullydeveloped
asurement. Use the following guidelinesto selecta properinstallation site:
Choosea section ofpipe thatisalwaysfullofliquid, such asa verticalpipe with flowin the upwarddirection
leastequalto the figure shown belowforthe upstreamand downstream
transducers installation. Tryto avoid Ensure enough straightpipe length atleastequalto the figure shown
belowforthe upstreamand downstreamtransducers installation.
ontalpipe, thetransducershould be mounted on the 9 and 3 ofthe pipe, avoiding the position of
6 and 12, in caseofthe signalattenuation caused bypipe atthe bottomsedimentorbubble
、
Ensure thatthe measuring site temperature
isunderthe transducertemperature limits.
Considerthe inside condition ofthe pipe carefully.Ifpossible, selecta section ofpipewhere the inside is
Choosea section ofsound conducting pipe.
Transducer Mounting
0. V
TransducerSpacing
177.01mm
Flow0.1129m3/h*R
Vel 1.0415m/s
Ultrasonic Flowmeter
Page14of82
Onlyone suitable
When selecting ameasurementsite, it isimportantto selectan area where thefluid flowprofile isfullydeveloped
asurement. Use the following guidelinesto selecta properinstallation site:
Choosea section ofpipe thatisalwaysfullofliquid, such asa verticalpipe with flowin the upwarddirection
leastequalto the figure shown belowforthe upstreamand downstream
transducers installation. Tryto avoid Ensure enough straightpipe length atleastequalto the figure shown
ontalpipe, thetransducershould be mounted on the 9 and 3 ofthe pipe, avoiding the position of
、
cavitation on the
Considerthe inside condition ofthe pipe carefully.Ifpossible, selecta section ofpipewhere the inside is
Transducer Mounting
TransducerSpacing
177.01mm
Flow0.1129m3/h*R

Revision:3.0.2
Pump
Valve
Reduce
Diffuser
Tee
90
o
bend
Straightlengthofupstream
piping
Name
10D min
0.5Dmin 10Dmin
10Dmin
L
D
5Dmin
Flowcontrolledupstream
P
Stopvalve
D118
Ultrasonic Flowmeter
Straightlengthof
downstreampiping
Straightlengthofupstream
Detector
L≥5D
L ≥5D
L≥10D
Flowcontrolleddownstream
L ≥10D
L ≥5D
L ≥10D
L ≥50D
L
≥30D
D
L≥10D
L≥30D
Flowcontrolledupstream
L≥50D
P
Check valve
Stopvalve
Ultrasonic Flowmeter
Page15of82
Flowcontrolleddownstream

Revision:3.0.2
4TransducerInstallation
4.1 TransducerInstallation
Before installing the transducers, clean the pipe surface where the transducers are to be mounted. Remove anyrust,
scale orloose paintand make a smooth surface. Choose asection of
transducers.Applya wide ban
d ofsonic coupling compound down thecenterofthe face ofeach transduceras
well ason the pipe surface,
ensure there are no air bubblesbetween the transducers and the pipe wall,
attach the transducers to the pipe with the strapsprovided and tighten themsecurely.
Note:
The two transducers should be mounted atthe pipe scenterline on horizontalpipes.
Make sure thatthe transducermounting direction isparallelwith the flo
During the installation, thereshould be no air bubblesorparticlesbetween the transducerand the pipe wall. On
horizontalpipes, the transducers should bemounted in the 3 o clock and 9o clock positionsofthe pipe section in
orderto avoid anyair
bubblesinside the top portion ofthe pipe. (Referto TransducerMounting). Ifthe
transducers cannotbe mounted horizontallysymmetricallydue to limitation ofthe localinstallation conditions, it
maybe necessarytomountthe transducers ata location
alwaysfull ofliquid).
4.2 TransducerSpacing
T
he spacing between the ENDSofthe two transducers isconsidered asthestandard transducerspacing (
MENU25 ).Afterentering the required pa
rameters, Check the data displayed in WindowM25 and
transducers spacing according
to the data displayed in WindowsM25
4.3 TransducerMounting M
ethods
Three
transducermounting methodsare available. Theyare respectively:Vmethod, Zmethod
The Vmethod isprimarilyused on small diameterpipes(DN100
in applicationswhere the Vmethod cannotwork dueto poorsignalorno signaldetected. In addition, the Z
method generallyworksbetteron la
rgerdiameterpipes(overDN300mm, 12
The Nmethod isan uncommonlyused method.
4.3.1 VMethod
The Vmethod isconsidered asthe standard method. Itusuallygivesa more accurate reading and isused on pipe
diameters ranging from25mmto 400mm(1
"~
requiresproperinstallation ofthe tran
sducer
eitherside ofthe centerline.
4.3.2 ZMethod
The signaltransmitted in a Zmethod installation hasless attenuation than a signaltransmitted with the Vmethod
when the pipesaretoo large,there are some suspended solid in the fluid, orthe
Thisisbecausethe Zmethod utilizesa directlytransmitted (ratherthan reflected)signalwhich transversesthe
liquid onlyonce. TheZme
thod isable to measure on pipediameters ranging from100mm
200 inch
)approximately. Therefore, we recommend the Zmethod forpipe diameters over300mm(12
DownstreamTransducer
UpstreamTransducer
Flow
SideView
D118
Ultrasonic Flowmeter
Before installing the transducers, clean the pipe surface where the transducers are to be mounted. Remove anyrust,
scale orloose paintand make a smooth surface. Choose asection of
sound conductingpipe forinstalling the
d ofsonic coupling compound down thecenterofthe face ofeach transduceras
ensure there are no air bubblesbetween the transducers and the pipe wall,
attach the transducers to the pipe with the strapsprovided and tighten themsecurely.
The two transducers should be mounted atthe pipe scenterline on horizontalpipes.
Make sure thatthe transducermounting direction isparallelwith the flo
w.
During the installation, thereshould be no air bubblesorparticlesbetween the transducerand the pipe wall. On
horizontalpipes, the transducers should bemounted in the 3 o clock and 9o clock positionsofthe pipe section in
bubblesinside the top portion ofthe pipe. (Referto TransducerMounting). Ifthe
transducers cannotbe mounted horizontallysymmetricallydue to limitation ofthe localinstallation conditions, it
maybe necessarytomountthe transducers ata location
where there isa guaranteed
full pipe condition (the pipe is
he spacing between the ENDSofthe two transducers isconsidered asthestandard transducerspacing (
rameters, Check the data displayed in WindowM25 and
to the data displayed in WindowsM25
.
ethods
transducermounting methodsare available. Theyare respectively:Vmethod, Zmethod
and
The Vmethod isprimarilyused on small diameterpipes(DN100
~300mm, 4〞~12〞
). The Zmethod isused
in applicationswhere the Vmethod cannotwork dueto poorsignalorno signaldetected. In addition, the Z
rgerdiameterpipes(overDN300mm, 12
〞
)orcastiron pipes.
The Nmethod isan uncommonlyused method.
Itis
used on smallerdiameterpipes(belowDN50mm, 2
The Vmethod isconsidered asthe standard method. Itusuallygivesa more accurate reading and isused on pipe
"~
16〞
)approximately. Also, it isconvenientto use, butstill
sducer
s
, contacton the pipe atthe pipe scenterline and equalspacing on
The signaltransmitted in a Zmethod installation hasless attenuation than a signaltransmitted with the Vmethod
when the pipesaretoo large,there are some suspended solid in the fluid, orthe
scaling
and linerare too thick
Thisisbecausethe Zmethod utilizesa directlytransmitted (ratherthan reflected)signalwhich transversesthe
thod isable to measure on pipediameters ranging from100mm
to
5000
)approximately. Therefore, we recommend the Zmethod forpipe diameters over300mm(12
DownstreamTransducer
TransducerSpace
Flow
TopViewSection
PipeStrap
Transducer
Ultrasonic Flowmeter
Page16of82
Before installing the transducers, clean the pipe surface where the transducers are to be mounted. Remove anyrust,
sound conductingpipe forinstalling the
d ofsonic coupling compound down thecenterofthe face ofeach transduceras
ensure there are no air bubblesbetween the transducers and the pipe wall,
and then
During the installation, thereshould be no air bubblesorparticlesbetween the transducerand the pipe wall. On
horizontalpipes, the transducers should bemounted in the 3 o clock and 9o clock positionsofthe pipe section in
bubblesinside the top portion ofthe pipe. (Referto TransducerMounting). Ifthe
transducers cannotbe mounted horizontallysymmetricallydue to limitation ofthe localinstallation conditions, it
full pipe condition (the pipe is
he spacing between the ENDSofthe two transducers isconsidered asthestandard transducerspacing (
Referto
rameters, Check the data displayed in WindowM25 and
adjustthe
and
Nmethod.
). The Zmethod isused
in applicationswhere the Vmethod cannotwork dueto poorsignalorno signaldetected. In addition, the Z
)orcastiron pipes.
used on smallerdiameterpipes(belowDN50mm, 2
〞).
The Vmethod isconsidered asthe standard method. Itusuallygivesa more accurate reading and isused on pipe
)approximately. Also, it isconvenientto use, butstill
, contacton the pipe atthe pipe scenterline and equalspacing on
The signaltransmitted in a Zmethod installation hasless attenuation than a signaltransmitted with the Vmethod
and linerare too thick
.
Thisisbecausethe Zmethod utilizesa directlytransmitted (ratherthan reflected)signalwhich transversesthe
5000
mm(4 inch to
)approximately. Therefore, we recommend the Zmethod forpipe diameters over300mm(12
inch).
TransducerSpace

Revision:3.0.2
4.3.3
NMethod(not commonlyused)
With the Nmethod, the sound wavestra
verse the fluid
suitable forsmallpipe diametermeasurement.
transit distance with the Nmethod (
uncommonlyused
4.4
TransducerMounting Ins
Checkto see if the transducerisinstalled properlyand if there isan accurate and strong enough ultrasonic signal
to ensure properoperation and high reliabilityofthe transducer. Itcan be confirmed by checking the detected
signalstrength, to
taltransit time, delta time aswell astransit time ratio.
The "mounting"
condition directlyinfluencesthe flowvalue accuracyand systemlong
mostinstances, onlyapplya wide ban
d ofsonic coupling compound lengthwise on th
stick it to the outside pipe wall to getgood measurementresults. However, the following inspectionsstill need to
be carried outin orderto ensure the high reliabilityofthemeasurementand long
4.4.1 SignalStrength
Signalstrength (displayed inWindowM90)indicatesa detected strength ofthe signalboth fromupstreamand
downstreamdirections. The relevantsignalstrength isindicated bynumbers from00.0
signaldetected while 99.9 represents
maximumsignalstrength.
detected, the longerthe operation ofthe instrumentreliably, aswell asthe more stable the measurementvalue
obtained.
Adjustthe transducerto the bestpositi
on and check to ensure thatenough sonic coupling compound isapplied
adequatelyduring installation in orderto obtain themaximumsignalstrength.
Systemnormallyrequiressignalstrength over60.0, whichisdetected fromboth upstreamand downstream
dir
ections. Ifthe signalstrength detected istoo low, the transducerinstallation position and the transducer
mounting spacing should bere-
adjusted and the pipe should be re
method to be Zmethod.
4.4.2 SignalQuality(Qvalue)
Qvalue isshort forSignalQuality(displayed in WindowM90). Itindicatesthe levelofthe signaldetected. Q
value isindicated bynumbersfrom00 ~99
. 00
maximum. Normally, the
transducerposition should be adjusted repeatedlyand coupling compound application
should be checked frequentlyuntil the signalqualitydetected isasstrong aspossible.
DownstreamTransducer
UpstreamTransducer
Flow
SideView
DownstreamTransducer
UpstreamTransducer
Flow
SideView
D118
Ultrasonic Flowmeter
NMethod(not commonlyused)
verse the fluid
three timesand bounce twice
offthe pipe walls. Itis
suitable forsmallpipe diametermeasurement.
The measurementaccuracycan be improved byextending the
uncommonlyused
).
TransducerMounting Ins
pection
Checkto see if the transducerisinstalled properlyand if there isan accurate and strong enough ultrasonic signal
to ensure properoperation and high reliabilityofthe transducer. Itcan be confirmed by checking the detected
taltransit time, delta time aswell astransit time ratio.
condition directlyinfluencesthe flowvalue accuracyand systemlong
-
time running reliability.In
d ofsonic coupling compound lengthwise on th
eface ofthe transducerand
stick it to the outside pipe wall to getgood measurementresults. However, the following inspectionsstill need to
be carried outin orderto ensure the high reliabilityofthemeasurementand long
-
termoperation ofthe instru
Signalstrength (displayed inWindowM90)indicatesa detected strength ofthe signalboth fromupstreamand
downstreamdirections. The relevantsignalstrength isindicated bynumbers from00.0
~
99.9. 00.0 representsno
maximumsignalstrength.
Normally,the strongerthe signalstrength
detected, the longerthe operation ofthe instrumentreliably, aswell asthe more stable the measurementvalue
on and check to ensure thatenough sonic coupling compound isapplied
adequatelyduring installation in orderto obtain themaximumsignalstrength.
Systemnormallyrequiressignalstrength over60.0, whichisdetected fromboth upstreamand downstream
ections. Ifthe signalstrength detected istoo low, the transducerinstallation position and the transducer
adjusted and the pipe should be re
-
inspected. Ifnecessary, change the mounting
Qvalue isshort forSignalQuality(displayed in WindowM90). Itindicatesthe levelofthe signaldetected. Q
. 00
representsthe minimumsignaldetected while 99 representthe
transducerposition should be adjusted repeatedlyand coupling compound application
should be checked frequentlyuntil the signalqualitydetected isasstrong aspossible.
DownstreamTransducer
TransducerSpacing
Flow
TopViewSection
PipeStrap
Transducer
DownstreamTransducer
TransducerSpacing
Flow
TopViewSection
PipeStrap
Transducer
Ultrasonic Flowmeter
Page17of82
offthe pipe walls. Itis
The measurementaccuracycan be improved byextending the
Checkto see if the transducerisinstalled properlyand if there isan accurate and strong enough ultrasonic signal
to ensure properoperation and high reliabilityofthe transducer. Itcan be confirmed by checking the detected
time running reliability.In
eface ofthe transducerand
stick it to the outside pipe wall to getgood measurementresults. However, the following inspectionsstill need to
termoperation ofthe instru
ment.
Signalstrength (displayed inWindowM90)indicatesa detected strength ofthe signalboth fromupstreamand
99.9. 00.0 representsno
Normally,the strongerthe signalstrength
detected, the longerthe operation ofthe instrumentreliably, aswell asthe more stable the measurementvalue
on and check to ensure thatenough sonic coupling compound isapplied
Systemnormallyrequiressignalstrength over60.0, whichisdetected fromboth upstreamand downstream
ections. Ifthe signalstrength detected istoo low, the transducerinstallation position and the transducer
inspected. Ifnecessary, change the mounting
Qvalue isshort forSignalQuality(displayed in WindowM90). Itindicatesthe levelofthe signaldetected. Q
representsthe minimumsignaldetected while 99 representthe
transducerposition should be adjusted repeatedlyand coupling compound application
TransducerSpacing
TransducerSpacing

Revision:3.0.2
4.4.3
TotalTimeand DeltaTime
"TotalTime and Delta Time"
, which displaysin WindowM9
measurementcalculationsin the Flowmeterare based upon these two parameters. Therefore, when
fluctuateswidely, the flowand velocitiesfluctuate accordingly
poor. Itmaybe the resulted ofpoorpipe-
installation conditions, inadequate transducerinstallation orincorrect
parameterinput.
Generally, "Delta Time"
fluctuation should be less than
velocityistoo lowcan the fluctuation be wider.
4.4.4 TransitTimeRatio
Transit Time Ratio indicatesif the transducermounting spacing isaccurate. Thenormaltransit time ratio should
be 100+/-
3 if the installation isproper. Check it in WindowM91.
Attention
Ifthe transittime ratio isover100
(1)
Ifthe parameters (pipe outside diameter, wall thickness, pipe material, liner, etc.)have
been enteredcorrectly,
(2)
Ifthe transducermounting spacin
(3)
Ifthe transducerismounted atthe pipe scenterline on the same diameter,
(4)
Ifthe scale istoo thick orthe pipe mounting isdistorted in shape, etc.
4.4.5 Warnings
(1)
Pipeparameters entered mustbe accurate;otherwise the Flowmeterwill notwork properly.
(2) D
uring the installation, applyenough coupling compoundsin orderto stick the transducer
pipe wall. While checking the signalstrength and Qvalue, move th
mounting site until the strongestsignaland maximumQvalue can be obtained. Make sure thatthe
largerthe pipe diameter, the more the transducer
(3)
Checkto be sure the mounting spacing isaccordance with th
transducerismounted atthe pipe scenterline on the same diameter.
(4)
Payspecialattention to those pipesthatformed bysteelrolls(pipe with seams), since such pipe is
alwaysirregular.Ifthe signalstrength isalwaysdi
detected. Thus, it isnecessaryto check thatthe parameters (including all the pipe parameters) have
been entered accurately.Check tobe surethe transducermounting method hasbeen selected properly,
the pipe isnotworn-
out, andthe linerisnottoo thick. Make sure there isindeed fluid in the pipe or
the transducerisnottoo
close to a valve orelbow, and there are nottoo manyair bubblesin the fluid,
etc. With the exception ofthese reasons, if there
to be changed.
(5)
Make sure thatthe Flowmeterisable to run properlywithhigh reliability. The strongerthe signal
strength displayed, the higherthe Qvalue reached. The longerthe Flowmeterrunsaccur
higherthe reliabilityofthe flowratesdisplayed. Ifthere isinterference fromambientelectromagnetic
wavesorthe signaldetected istoo poor, the flowvalue displayed isnotreliable;consequently,the
capabilityforreliable operation is
(6)
Afterthe installation iscomplete, poweron the instrumentand check the result accordingly.
D118
Ultrasonic Flowmeter
TotalTimeand DeltaTime
, which displaysin WindowM9
3, indicatesthe conditionofthe installation. The
measurementcalculationsin the Flowmeterare based upon these two parameters. Therefore, when
fluctuateswidely, the flowand velocitiesfluctuate accordingly
, thismeansthatthe signalqua
litydetected istoo
installation conditions, inadequate transducerinstallation orincorrect
fluctuation should be less than
±
20%.Onlywhen the pipe diameteristoo small
velocityistoo lowcan the fluctuation be wider.
Transit Time Ratio indicatesif the transducermounting spacing isaccurate. Thenormaltransit time ratio should
3 if the installation isproper. Check it in WindowM91.
Ifthe transittime ratio isover100
±3,it isnecessaryto check:
Ifthe parameters (pipe outside diameter, wall thickness, pipe material, liner, etc.)have
been enteredcorrectly,
Ifthe transducermounting spacin
g isaccordance with the displayin WindowM25,
Ifthe transducerismounted atthe pipe scenterline on the same diameter,
Ifthe scale istoo thick orthe pipe mounting isdistorted in shape, etc.
Pipeparameters entered mustbe accurate;otherwise the Flowmeterwill notwork properly.
uring the installation, applyenough coupling compoundsin orderto stick the transducer
pipe wall. While checking the signalstrength and Qvalue, move th
e transducers
slowlyaround the
mounting site until the strongestsignaland maximumQvalue can be obtained. Make sure thatthe
largerthe pipe diameter, the more the transducer
sshouldbe moved.
Checkto be sure the mounting spacing isaccordance with th
e displayin WindowM25 and the
transducerismounted atthe pipe scenterline on the same diameter.
Payspecialattention to those pipesthatformed bysteelrolls(pipe with seams), since such pipe is
alwaysirregular.Ifthe signalstrength isalwaysdi
splayed as0.00, thatmeansthere isno signal
detected. Thus, it isnecessaryto check thatthe parameters (including all the pipe parameters) have
been entered accurately.Check tobe surethe transducermounting method hasbeen selected properly,
out, andthe linerisnottoo thick. Make sure there isindeed fluid in the pipe or
close to a valve orelbow, and there are nottoo manyair bubblesin the fluid,
etc. With the exception ofthese reasons, if there
isstill no signaldetected, the measurementsite has
Make sure thatthe Flowmeterisable to run properlywithhigh reliability. The strongerthe signal
strength displayed, the higherthe Qvalue reached. The longerthe Flowmeterrunsaccur
higherthe reliabilityofthe flowratesdisplayed. Ifthere isinterference fromambientelectromagnetic
wavesorthe signaldetected istoo poor, the flowvalue displayed isnotreliable;consequently,the
capabilityforreliable operation is
reduced.
Afterthe installation iscomplete, poweron the instrumentand check the result accordingly.
Ultrasonic Flowmeter
Page18of82
3, indicatesthe conditionofthe installation. The
measurementcalculationsin the Flowmeterare based upon these two parameters. Therefore, when
"DeltaTime"
litydetected istoo
installation conditions, inadequate transducerinstallation orincorrect
20%.Onlywhen the pipe diameteristoo small
or
Transit Time Ratio indicatesif the transducermounting spacing isaccurate. Thenormaltransit time ratio should
Ifthe parameters (pipe outside diameter, wall thickness, pipe material, liner, etc.)have
g isaccordance with the displayin WindowM25,
Pipeparameters entered mustbe accurate;otherwise the Flowmeterwill notwork properly.
uring the installation, applyenough coupling compoundsin orderto stick the transducer
sonto the
slowlyaround the
mounting site until the strongestsignaland maximumQvalue can be obtained. Make sure thatthe
e displayin WindowM25 and the
Payspecialattention to those pipesthatformed bysteelrolls(pipe with seams), since such pipe is
splayed as0.00, thatmeansthere isno signal
detected. Thus, it isnecessaryto check thatthe parameters (including all the pipe parameters) have
been entered accurately.Check tobe surethe transducermounting method hasbeen selected properly,
out, andthe linerisnottoo thick. Make sure there isindeed fluid in the pipe or
close to a valve orelbow, and there are nottoo manyair bubblesin the fluid,
isstill no signaldetected, the measurementsite has
Make sure thatthe Flowmeterisable to run properlywithhigh reliability. The strongerthe signal
strength displayed, the higherthe Qvalue reached. The longerthe Flowmeterrunsaccur
ately, the
higherthe reliabilityofthe flowratesdisplayed. Ifthere isinterference fromambientelectromagnetic
wavesorthe signaldetected istoo poor, the flowvalue displayed isnotreliable;consequently,the
Afterthe installation iscomplete, poweron the instrumentand check the result accordingly.

Revision:3.0.2
5Operating Instructions
5.1 SystemNo
rmalIdentification
Press the
keys.Ifthe letter
Ifthe letter"G"
isdisplayed,it indicatesthatsystemisadjusting the signalgain priorto the measurement. Also, it
meanssystemnormal. Onlywhen the adjustmenttakestoo long withoutstopping, can
abnormal.
Letter"I"
indicatesno signalisbeing detected. Check thetransducerwiring connectionsare correct, the
transducers are installed firmly, etc.
Forfurtherinformation, please referto "
ErrorDiagnosis
5.2 Low Flow Cutoff Value
The data inM41
isLowFlowCutoff Value. Ifthe flowrate fallsbelowthe lowflowcutoff value, the flow
indication isdriven to zero. Thisfunction can preventthe
shutdown, butthere issti
ll liquid movementin the pipe, which will result in cumulative error. Generally, 0.01m/s
isrecommended to enterasthe lowflowcutoff point.
The lowflowcutoff value hasno relation to the measurementresultsonce the velocityincreasesoverthe lowf
cutoff value.
5.3 Zero Settings
Once zero flowoccurs, a zero pointmayindicate on eachmeasuring instrument,
value isnotequalto "0", thisvalue indicates"Zero". To anymeasuring instrument, thesmallerthe "Zero"
b
etterthe qualityis. Conversely, if the Zero istoo big, thatindicatesthe qualityofthe instrumentispoor.
Ifthe zero setpointisnotattrue zero flow, a measurementdifference mayoccur. Thesmallerthe physical
measurementcapacityis, thelarger
the measurementdifference fromthe zero pointwill exist. Onlywhen zero
pointreduced toa definite degree, ascompared with the physicalmeasurementcapacity, can the measuring
difference fromzero pointbe ignored.
Foran ultrasonicFlowmeter,the mea
surement
Itisnecessaryto performa static
zero setcalibration to improve lowflowmeasurementaccuracy.
SetZero in Menu42, firstlypress
key
rightcornerreducing tobe "0". Performing SetZ
"0".Ifso, it can be recovered via Menu 43.
5.4 ScaleFactor
Scale factorrefers to the ratio between "
actualvalue
2.00, and it isindicated as1.98 on the instrument, the scale factorreading is2/1.98.Thismeansthatthe bestscale
factorconstantis1.
However, it isdifficultto keep the scale factoras
productions.The difference iscalled "
consistency
During operation, there still existspossible difference inpipe parameters, etc. The
when used on differentpipes. Thus, scale fa
ctorcalibration isspeciallydesigned forcalibrating the differences
thatresult fromapplication on differentpipes. The scale factorentered mustbe one thatresultsfromactual
calibration.
The scale factorcan be inputin WindowM45.
5.5 SystemLock
Systemlock isintended to preventoperation errordue to tampering byunauthorized personnel.
Press the
keys,move
key, entera 1 ~
4 numericallylong password, and then press the
D118
Ultrasonic Flowmeter
rmalIdentification
keys.Ifthe letter
"*R"
displayson the screen, it indicatessystemnormal.
isdisplayed,it indicatesthatsystemisadjusting the signalgain priorto the measurement. Also, it
meanssystemnormal. Onlywhen the adjustmenttakestoo long withoutstopping, can
systembe identified as
indicatesno signalisbeing detected. Check thetransducerwiring connectionsare correct, the
ErrorDiagnosis
".
isLowFlowCutoff Value. Ifthe flowrate fallsbelowthe lowflowcutoff value, the flow
indication isdriven to zero. Thisfunction can preventthe
flowmeter
fromdisplayingflowas"0"aftera pump was
ll liquid movementin the pipe, which will result in cumulative error. Generally, 0.01m/s
isrecommended to enterasthe lowflowcutoff point.
The lowflowcutoff value hasno relation to the measurementresultsonce the velocityincreasesoverthe lowf
Once zero flowoccurs, a zero pointmayindicate on eachmeasuring instrument,
butthe displayed measuring
value isnotequalto "0", thisvalue indicates"Zero". To anymeasuring instrument, thesmallerthe "Zero"
etterthe qualityis. Conversely, if the Zero istoo big, thatindicatesthe qualityofthe instrumentispoor.
Ifthe zero setpointisnotattrue zero flow, a measurementdifference mayoccur. Thesmallerthe physical
the measurementdifference fromthe zero pointwill exist. Onlywhen zero
pointreduced toa definite degree, ascompared with the physicalmeasurementcapacity, can the measuring
surement
errorfromzero pointcannotbe ignored under
lowflow
zero setcalibration to improve lowflowmeasurementaccuracy.
key
, and then wait forthe processing indication
displayed atthe lower
rightcornerreducing tobe "0". Performing SetZ
ero in flowing conditions
maycause the flowto be displayed as
actualvalue
"and "reading value"
.Forexample, when the measur
2.00, and it isindicated as1.98 on the instrument, the scale factorreading is2/1.98.Thismeansthatthe bestscale
However, it isdifficultto keep the scale factoras
"1"
on the instrumentespeciallyin batch
consistency
".
During operation, there still existspossible difference inpipe parameters, etc. The
"scale factor"
maybe necessary
ctorcalibration isspeciallydesigned forcalibrating the differences
thatresult fromapplication on differentpipes. The scale factorentered mustbe one thatresultsfromactual
The scale factorcan be inputin WindowM45.
Systemlock isintended to preventoperation errordue to tampering byunauthorized personnel.
keys,move
or keyto select"Lock"
, press the
4 numericallylong password, and then press the
keyto confirm.
Ultrasonic Flowmeter
Page19of82
displayson the screen, it indicatessystemnormal.
isdisplayed,it indicatesthatsystemisadjusting the signalgain priorto the measurement. Also, it
systembe identified as
indicatesno signalisbeing detected. Check thetransducerwiring connectionsare correct, the
isLowFlowCutoff Value. Ifthe flowrate fallsbelowthe lowflowcutoff value, the flow
fromdisplayingflowas"0"aftera pump was
ll liquid movementin the pipe, which will result in cumulative error. Generally, 0.01m/s
The lowflowcutoff value hasno relation to the measurementresultsonce the velocityincreasesoverthe lowf
low
butthe displayed measuring
value isnotequalto "0", thisvalue indicates"Zero". To anymeasuring instrument, thesmallerthe "Zero"
is, the
etterthe qualityis. Conversely, if the Zero istoo big, thatindicatesthe qualityofthe instrumentispoor.
Ifthe zero setpointisnotattrue zero flow, a measurementdifference mayoccur. Thesmallerthe physical
the measurementdifference fromthe zero pointwill exist. Onlywhen zero
pointreduced toa definite degree, ascompared with the physicalmeasurementcapacity, can the measuring
lowflow
conditions.
zero setcalibration to improve lowflowmeasurementaccuracy.
displayed atthe lower
maycause the flowto be displayed as
.Forexample, when the measur
ementis
2.00, and it isindicated as1.98 on the instrument, the scale factorreading is2/1.98.Thismeansthatthe bestscale
on the instrumentespeciallyin batch
maybe necessary
ctorcalibration isspeciallydesigned forcalibrating the differences
thatresult fromapplication on differentpipes. The scale factorentered mustbe one thatresultsfromactual
flow
, press the

Revision:3.0.2
Unlockit by
using the selected password only.
then press
, enterthe correctpassword, then press
Keep the password in mind orrecorded in a safe place
5.6 4~20mA
CurrentLoop Output
With a currentloop outputexceeding an accuracyof0.1%, the flowmeterisprogrammable and configurable with
outputssuch as4 ~20mAor0 ~20mA
selected in
DisplayExplanations".
In WindowM56, entera 4mAflowvalue. Enterthe 20mAflowvalue in WindowM57. Forexample, if the flow
range in a specific pipe is0 ~1000m3
/h, enter0 in WindowM56 and 1000 in WindowM57. Ifthe flowranges
from-1000 ~0 ~2000m3/h, configure
the 20
direction isnotan issue. Enter1000 inWindowM56 and 2000 inWindowM57.
module 0 ~4 ~
20mAisavailable. When theflowdirection displaysasnegative, the
0 ~4mA, whereasthe 4 ~
20mAisforthe positive direction. The outputmodule optionsare displayed in Window
M55. Enter"-1000"
in WindowM56 and 2000 in WindowM57.
Calibrating and testing the currentloop isperformed in W
Press ,
move
"20mA"
readings, connectan ammeterto testthe currentloop outputand calculate the difference. Calibrate it if
the difference isnotwithin tolerance.
Referto Section
Checkthe presentcurrentloop outputinWindowM59 as
5.7 Frequency Output
The flowmeter
isprovided with a frequencyoutputtransmitterfunction. The high orlowfrequencyoutput
displayed indicatesthe high orlowflowrate reading. The usercan resetthe frequency outputaswell asflowrate
asthe user sactualrequirements.
Forexample:if a pipe flowrange is0 ~
3000m
configuration isasfollows:
In WindowM68 (lowlimitfrequencyoutputflowvalue),input0;
In WindowM69 (high limit frequencyoutputflowvalue), inpu
In WindowM67 (lowlimitfrequency), input123;
There isno outputcircuit speciallyassigned to frequencyoutput. Itonlycan be transmitted through OCT, i.e.
selectWindowM78 (item"13. FO").
TypicalOCTOutputwiring diagramasbelow:
D118
Ultrasonic Flowmeter
using the selected password only.
Press , i
f"lock"isdisplayed on the
, enterthe correctpassword, then press
to confirm.
Keep the password in mind orrecorded in a safe place
,otherwise the instrumentcannotbe used.
CurrentLoop Output
With a currentloop outputexceeding an accuracyof0.1%, the flowmeterisprogrammable and configurable with
selected in
Menu 55. Fordetails, please referto Menu 55
In WindowM56, entera 4mAflowvalue. Enterthe 20mAflowvalue in WindowM57. Forexample, if the flow
/h, enter0 in WindowM56 and 1000 in WindowM57. Ifthe flowranges
the 20
~4 ~20mAoutputbyselecting in
WindowM55 whenflow
direction isnotan issue. Enter1000 inWindowM56 and 2000 inWindowM57.
When flowdirection isan issue,
20mAisavailable. When theflowdirection displaysasnegative, the
currentoutputisin range of
20mAisforthe positive direction. The outputmodule optionsare displayed in Window
in WindowM56 and 2000 in WindowM57.
Calibrating and testing the currentloop isperformed in W
indowM58. Complete the stepsasfollows:
move
or to display"0mA","4mA","
8mA
readings, connectan ammeterto testthe currentloop outputand calculate the difference. Calibrate it if
Referto Section
4.11 forCurrentLoop Verification.
Checkthe presentcurrentloop outputinWindowM59 as
it changesalongwith change in flow.
isprovided with a frequencyoutputtransmitterfunction. The high orlowfrequencyoutput
displayed indicatesthe high orlowflowrate reading. The usercan resetthe frequency outputaswell asflowrate
3000m
3/h, the relative frequencyoutputrequired is123
~
In WindowM68 (lowlimitfrequencyoutputflowvalue),input0;
In WindowM69 (high limit frequencyoutputflowvalue), inpu
t3000;
In WindowM67 (lowlimitfrequency), input123;
in WindowM67 (high limitfrequency
), input1000.
There isno outputcircuit speciallyassigned to frequencyoutput. Itonlycan be transmitted through OCT, i.e.
TypicalOCTOutputwiring diagramasbelow:
5 ～ 10K
1/4w
Vcc
Sig
COM
OCT+
OCT-
External circuit
OCTOutput wiring diagram
Ultrasonic Flowmeter
Page20of82
f"lock"isdisplayed on the
screen,
With a currentloop outputexceeding an accuracyof0.1%, the flowmeterisprogrammable and configurable with
in "
Window
In WindowM56, entera 4mAflowvalue. Enterthe 20mAflowvalue in WindowM57. Forexample, if the flow
/h, enter0 in WindowM56 and 1000 in WindowM57. Ifthe flowranges
WindowM55 whenflow
When flowdirection isan issue,
currentoutputisin range of
20mAisforthe positive direction. The outputmodule optionsare displayed in Window
indowM58. Complete the stepsasfollows:
8mA
", "16mA",
readings, connectan ammeterto testthe currentloop outputand calculate the difference. Calibrate it if
isprovided with a frequencyoutputtransmitterfunction. The high orlowfrequencyoutput
displayed indicatesthe high orlowflowrate reading. The usercan resetthe frequency outputaswell asflowrate
~
1000Hz, and the
), input1000.
There isno outputcircuit speciallyassigned to frequencyoutput. Itonlycan be transmitted through OCT, i.e.