Omega LVU2700 Series Owner's manual

Brand: Omega

Model: LVU2700 Series

Category: Measuring, testing & control

Type: Owner's manual

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2

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3

INTRODUCTION/TABLEOFCONTENTS StepOne

The LVU2700 Seriesis a general‐purpose ultrasonic level transmitter that provides a loop powered 4‐20 mA

output.The4‐20mAoutputcanbeusedtoprovidetheproportional levelofliquidinanytankorvessel.The

signalcanbeconnectedtoanydevicethatacceptslooppowered4‐20mAsignals,suchasa PLC,SCADA,DCS,

display,controller,etc.

NewFeatures

 Easilychangeoutputfromdistancetovolume

 Selectfrom6standardtankshapes

 16pointstrappingtableforcustomer/oddsizetanks

 AllwithinthesimpleconfigurationPCSoftwareProgram(LVCN414‐SW)

TableofContents

Specifications/Dimensions..............................................................................................................................4

SafetyPrecautions............................................................................................................................................5

Components ...................................................................................................................................................6

GettingStarted..................................................................................................................................................7

 USB®FobInterface...............................................................................................................................7

 LVCN414‐SWSoftware..........................................................................................................................8

1.Configuration........................................................................................................................9



2.TankShapeSelection..........................................................................................................11

DimensionalEntry–VerticalCylinderExample.........................................................12

DimensionalEntry–Horizontal

CylinderwithEndcapsExample...............................14

3.LevelConfiguration.............................................................................................................16

4.WritetoUnit.......................................................................................................................16

Wiring .................................................................................................................................................17

 WiringDiagram&WireConnections.................................................................................................17

 WiringtoDisplays,Controller’s&PLC’s............................................................................................19

Installation .................................................................................................................................................20

 MountingGuide..................................................................................................................................20

 FittingSelection..................................................................................................................................21

TankAdapters&Risers:..........................................................................................................21

Flanges&SideMountFittings................................................................................................22

StandPipe...............................................................................................................................23

AdvancedFeature...........................................................................................................................................24

Appendix .................................................................................................................................................25

 SampleProgram.................................................................................................................................25

 UpdatingSoftware..............................................................................................................................26

 UpdatingTransmitterFirmware.........................................................................................................27

 StrappingTable...................................................................................................................................28

 Linervs.Non‐Linear...........................................................................................................................29

 FactoryDefaults..................................................................................................................................31

 DemoPage.........................................................................................................................................32

 Troubleshooting..................................................................................................................................33

 UserSettings

.......................................................................................................................................34



4

SPECIFICATIONS/DIMENSIONS StepTwo

Range:



Accuracy: ±0.2%ofrange

Resolution: LVU2710:0.019”(0.5mm)

 LVU2718:0.039”(1mm)

 LVU2726:0.079”(2mm)

Deadband: LVU2710:4”(10cm)

 LVU2718/26/32:8”(20cm)

Beamwidth: LVU2710:2”(5cm)

 LVU2718/26/32:3”(7.6cm)

Configuration: LVCN414‐SW(software)PC

 Windows®USB2.0

Memory: Non‐volatile

Supplyvoltage: 24VDC(loop)

Consumption: 0.5W

Loopresistance: 500Ohms@24VDC

Signaloutput: 4‐20mA,two‐wire

Signalinvert: 4‐20mAor20‐4mA

Signalfail‐safe: 4mA,20mA,21mA,

 22mAorholdlast

Processtemp.: F:‐4°to140°

 C:‐20°to60°

Temp.comp.: Automatic

Ambienttemp.: F:‐31°to140°

 C:‐35°to60°

Pressure: MWP=30PSI

Enclosuretype: Type6Pencapsulated,corrosion

resistance&submersible

Encl.material: Polycarbonate

Trans.material: PVDF

Cablejacketmat.:Polyurethane

Cabletype: 4‐conductorshielded

Cablelength: 10’(3m)

Processmount: LVU2710:1”NPT(1”G)

 LVU2718/26/32:2”NPT(2”G)

Mount.gasket: FKM

Classification: Generalpurpose

Compliance: CE,RoHS



Dimensions:

SideView/LVU2710Series



SideView/LVU2718,LVU2726andLVU2732Series





LVU2710:

4"to8'

(10cmto3m)

LVU2718:

8"to9.8'

(20cmto5.5m)

LVU2726:

8"to26.2'

(20cmto8m)

LVU2732:

8"to32.8'

(20cmto10m)

5

SAFETYPRECAUTIONS StepThree

AboutthisManual:PLEASEREADTHE ENTIREQUICKSTARTPRIORTOINSTALLINGORUSINGTHISPRODUCT.

This manual includes information on the LVU2700 Series Ultrasonic Level Transmitter from OMEGA

ENGINEERING. Please refer to the part number located on the switch label to verify the exact model

configuration,whichyouhavepurchased.

User’s Responsibility for Safety:OMEGA ENGINEERING manufactures a broad range of level sensing

technologies. While  each of these sensors is designed to operate in a wide variety of applications, it is the

user’sresponsibilitytoselectasensormodelthatisappropriatefortheapplication,installitproperly,perform

tests of the installed system, and maintain all components. The failure to do so could result in property

damageorseriousinjury.

ProperInstallationandHandling:Onlyprofessionalstaffshouldinstalland/orrepairthisproduct.Install the

transmitter with the included FKM gasket andnever over tighten the transmitter within the fitting.Always

checkforleakspriortosystemstart‐up.

WiringandElectrical:Asupplyvoltageof12to28VDCisusedtopowertheLVU2700Series.Electricalwiring

ofthetransmittershouldbeperformedinaccordancewithallapplicablenational,state,andlocalcodes.

Material Compatibility:The enclosure is made of Polycarbonate (PC).The transducer is made of

PolyvinylideneFluoride(PVDF).Ma kesurethatthemodel,whichyouhaveselected,ischemicallycompatible

withtheapplicationmedia.

Enclosure:While the transmitterhousing is encapsulated,corrosionresistance & submersible, the LVU2700

Series is not designed to be operational when immersed.It should be mounted in such a way that the

enclosure and transducer do not come into contact with the application media under normal operational

conditions.

Safety

 Installationshouldbedonebyproperlytrainedstaff

 Supplyvoltageshouldneverexceedamaximumof28VDC

 Makesurethesensorischemicallycompatiblewithyourapplication

 Designafail‐safesystemthataccommodatesthepossibilityofsensorand/orpowerfailure.

 Thissensorshouldnotbeusedinclassifiedhazardousenvironments

MakeaFail‐SafeSystem:Designafail‐safe system thataccommodatesthepossibilityoftransmitterand/or

power failure.OMEGA ENGINEERING recommends the use of redundant backup systems and alarms in

additiontotheprimarysystem.

Flammable,Explosive

orHazardousApplications:LVU2700Seriesshouldnotbeusedwithinclassified

hazardousenvironments.

Warning:  Always use the FKM gasket when installing the LVU2700 Series, and make sure that all electrical

wiring

oftheswitchisinaccordancewithapplicablecodes.





6

Components StepFour

LVU2700Seriesisofferedinfourdifferentmodels.Dependingonthe modelpurchased,youmayormaynot

have been shipped all the components shown below.You do however, need an LVU2700 Series, USB® Fob

andFKMgaskettoconfigure,installandoperateLVU2700Series.

 LVU2700Series

PartNumber Range Enclosure MountingThread USB®Fob

LVU2710

LVU2710‐B

9.8’

(3m)

Type6P

enclosure

1”NPT

Included

NoFob

LVU2710‐G

LVU2710‐G‐B

1”G

Included

NoFob

LVU2718

LVU2718‐B

18.0’

(5.5m)

2”NPT

Included

NoFob

LVU2718‐G

LVU2718‐G‐B

2”G

Included

NoFob

LVU2726

LVU2726‐B

26.2’

(8m)

2”NPT

Included

NoFob

LVU2726‐G

LVU2726‐G‐B

2”G

Included

NoFob

LVU2732

LVU2732‐B

32.8’

(10m)

2”NPT

Included

NoFob

LVU2732‐G

LVU2732‐G‐B

2”G

Included

NoFob

 FKMGasket

o Part#200128forLVU2710series

o Part#200129forLVU2718,LVU2726orLVU2732series

 USB®Fob

o Part#LVCN414‐USB

 Manual





7

GETTINGSTARTED StepFive

LVU2700 Series is configured through a PC software program (LVCN414‐SW).The LVCN414‐SW is a free

download from Omega Engineering’s website.You must download and install the LVCN414‐SW prior to

pluggingintheUSB®Fob.

 Pleasegotohttp://www.omega.com/ftp.

 ClickonFlow,Level,pH,Environmental,andPressureSectionandpressonProducts

 SelecttheLVCN414folder

 Selecttheinstaller‐LVCN414InstallerverXpXX.zip

o Thiswilldownloadtheinstallerontoyourcomputer.

o Oncecompleted,runtheinstaller.

LVCN414‐SWSoftwareSystemRequirements

Windows®2000,XP,Vista,7,8

32or64‐bitsystem

1USB®2.0port

10mBharddrivespace

256mBRAM

Internetconnection



USB®FobInterface

LVU2700 Series communicates with the LVCN414‐SW PC software through a USB® interface called a Fob.

Before plugging your Fob into your computer’s USB® port, be  sure that you have installed LVCN414‐SW on

yourcomputer.



Connect the red, green, white and black wires from LVU2700 Series into the correct terminals on the Fob.

TightenthescrewsontheterminalsandplugyourFobintotheUSB®portofyourcomputer.



 Themaximumcabledistancebetweenthecomputerandsen

soris15’.Thisonlyapplieswhenconfiguring

theLVU2700Series.

 Once the sensor is configured and prior to installation, isolate the white and green wires from active

powertopreventashortoftheconfigurationcircuit.

 Note: When using the USB® Fob, do not add VDC or VAC power.The USB® Fob, when connected to the

computer,willprovidethereq

uiredpowertotheLVU2700Series.





8

GETTINGSTARTED(continued) StepFive

LVCN414‐SWPCSoftware

WithLVU2700Seriesconnectedtoyourcomputer,openthesoftwarebyclickingontheLVCN414‐SWicon.

Followsteps1‐3toconfigurethetransmitter.Click“Help”inthelowerrighthandcornerandopenthehelp

menuofthesoftwareforadditionalinstructions.IfyouneedadditionalassistanceusingtheLVCN414‐SW

software,pleasecontactanOmegaEngineeringApplicationsengineer.



TabsforConfiguration,

UpdatesandDemomode

ModelSelector

(SampleProgramOnly)

ConfigurationSelector

SensorDetails

LevelConfiguration

ActionButtons

TankSelector



AboveScreenCaptureisfortheLVU2726series.

ConfiguringLVU2700SerieswithLVCN‐414‐SWSoftware

1. Configuration

a. ConfigurestheLoopFail‐Safe,OutputatEmpty(4‐20mAor20‐4mA)andStartupCondition.

2. TankShapeSelection

a. Definestheshapeofthetankaswellasthedimensionalinformationforthetankwithrespect

tothesensor’slocationonthetank.

3. LevelConfiguration

a. Entersthedist

ancevaluesfortheoperationalrangeofthesensor.

4. WritetoUnit

a. Uploadstheconfigurationintothesensor.

b. Providesacustomwiringdiagram.



9

GETTINGSTARTED(continued) StepFive

1.Configuration

Thissectionofthesoftwareiswhereyouselecttheapplication’sconfigurationsettings.Startfromthetop

andworktothebottom,choosingtheselectionsthatareapplicabletoyourconfiguration.“NotApplicable”

willautomaticallyshowwhenaselectiondoesn’tapplytoyourconfigurationsettings,andyoumaymoveon.

Allconfigurationsettingsmustbeselectedorhave“NotApplicable”beforeyoucancontinue.Note:Pressing

theClearScreenbuttonwillresettheconfigurationtableandallowaccesstoallofthefeatures.



LoopFail‐Safe

Thisfeatureallowsyoutoselectthefail‐safecurrentoutputifthe

sensorfailstodetectareturnsignal(LOST).Whenthesensorregains

signal,theoutputcurrentwillrevertbacktothecurrentlevel

condition.

o HoldLastValue‐Theoutputwillremaininthesamestateas

thelastechodetected.Example:Iftheoutputwas6.7mAjust

priortotheLOSTsignal,thedevicewillcontinuetooutput6.7

mA.Whenthesensorregainssignal,theoutputwillindicate

thelevelwhenthesignalwasregain.

o Empty‐TheoutputwillreverttothecurrentvalueofanEmpty

tank.TheemptystateisdependentupontheOutputatEmpty

setting.When4mAatBottomisselected,thesensorwill

output4mAwhenafail‐safeconditionoccurs.If20mAat

Bottomisselected,thesensorwilloutput20mAwhenafail‐

safeconditionoccurs

o Full‐TheoutputwillreverttothecurrentvalueofaFulltank.

ThefullstateisdependentupontheOutputatEmptysetting.

When4mAatBottomisselected,thesensorwilloutput20mA

whenafail‐safeconditionoccurs.If20mAatBottomis

selected,thesensorwilloutput4mAwhenafail‐safecondition

occurs

o Overfill(21mA)‐Theoutputcurrentwillgoto21mAwhenthe

returnsignalislost.

o Overfill(22mA)‐Theoutputcurrentwillgoto22mAwhenthe

returnsignalislost.



Note:Rightclickonanymenuthatyoumayhavequestionsontoopenthehelpmenu.



Note:Toreset,presstheClear

Screenbutton.





10

GETTINGSTARTED(continued) StepFive



OutputatEmpty

Thisfeatureallowsyoutoselecttheorientationofthe4to20mA

output(4to20mAor20to4mA).Choosewhichoutputsettingbest

fitstheapplication.Typicalinstallationsaresetwith4mAatBottom.

Thiswillnotaffecttheperformanceofthesensorotherthanthe

outputoftheLVU2700Series.Thesoftware’sfactorydefaultis4mAat

bottomand20mAattop.Whenconnectingyoursensortoadisplay,

youmustaccountforyouroutputsettings.

o 4mAatBottom‐Theoutputcurrentwillbe4mAwhenthe

sensormeasuresanemptytankand20mAwhenthesensor

measuresafulltank. 

o 20mAatBottom‐Theoutputcurrentwillbe20mAwhenthe

sensormeasuresanemptytankand4mAwhenthesensor

measuresafulltank



StartupCondition

Thisfeatureallowstheoperatortoselecttheoutputcurrenton

initialstartuppriortoacquiringatruereturnsignal(level

measurement).Thisonlyoccursduringtheinitialpoweringof

LVU2700Seriesandthetransmitterwillreverttothecorrectlevel

readingwhenthelevelisacquired.

o Empty‐SelectsthestartupcurrentestablishedinOutputat

Empty.Example:Select4mAatBottom,theoutputwill

remainat4mAuntiltheunitacquiresatruereturnecho.

Select20mAatBottom,theoutputwillremainat20mA

untiltheunitacquiresatruereturnecho.

o MidTank‐Whenselected,thestartupcurrentwillread12

mAuntiltheunitacquiresatruereturnecho.

FullTank‐Usestheoppositecurrentthatwasselectedin

OutputatEmpty.Example:Ifyouselect4mAatBottomthen

thestartupcurrentwouldbe20mA.Ifyouselect20mAat

Bottomthenthestartupcurrentwouldbe4mA.

Overfill(22mA)‐Theoutputatstartupwouldbe22mA.This

conditionwillremainuntiltheunitacquiresatruereturn

echo.

Note:Rightclickonanymenuthatyoumayhavequestionsontoopenthehelpmenu.



Note:Toreset,presstheClear

Screenbutton.





11

GETTINGSTARTED(continued) StepFive

2.TankShapeSelection

The sensor may be configured in volumetric units (Gallons or Liters) or Distance (Height of Liquid) units

(inches,cm,feetormeters).TheLVCN‐414‐SWsoftwarewilldefaultinDistance(HeightofLiquid)withunits

of Inches.To change the units or to change from Distance to Volume, press the Select Tank Shape button

locatednearthecenterofthewindow.



ShapeSelectionWindow:ThiswindowwillshowsthedifferenttankshapeoptionsavailableinWebCal™.

 VerticalCylindrical

 VerticalCylindricalwithConeBottom

 HorizontalCylindricalwithEndcaps

 HorizontalCylindricalwithSphericalEnds

 Spherical

 Rectangular

 Strapping Table – Use this feature for manual entry

ofmeasuredtankdistancesandvolumes.

Select any of the above tank shapes and press OK to

confirm.





12

GETTINGSTARTED(continued) StepFive

Dimensional Entry – Vertical Cylindrical Example:Choose the Sensor Output Units as Distance or Volume.

AfterchoosingtheSensorOutputUnits,selecttheunitsofmeasurementinthepulldowntotheleft.



UnitsofMeasurement

Distance Volume

Inches

Cm

Feet

Meters

Gallons

Liters



Distance–SensorOutputUnits:

Enter the dimensions of the tank.You must

enterdatainallfieldsshown.

SensorHeight:Distancefromthebottomof

thetanktothebottomofthetransducer.

FillHeight:Distancefromthebottomofthe 

tanktothemaximumliquidheight.

RiserHeight:Distancethesensorisrecessed

within a riser, measured from the bottom of

thesensortotheinsideofthetank.

Volume–SensorOutputUnits:

Enter the dimensions of the tank.You must

enterdatainallfieldsshown.

SensorHeight:Distancefromthebottomof

thetanktothebottomofthetransducer.

FillHeight:Distancefromthebottomofthe 

tanktothemaximumliquidheight.

RiserHeight:Distancethesensorisrecessed

within a riser, measured from the bottom of

thesensortotheinsideofthetank.

Tank Height:Distance from the bottom of

thetanktothetopofthestraightsidewall.

Diameter:Distance of the inside tank

diameter.





13

GETTINGSTARTED(continued) StepFive

Volume – Tank Capacity:After entering the dimensions, press the Capacity button to show the Calculated

Capacity of the tank.If the Calculated Capacity is slightly different than the expected capacity, click on the

AdjustCapacityboxandentertheexpectedcapacityofthetank.IftheAdjustedCapacityismorethan10%of

theCalculatedCapacity,recheckthedimensionsinformationenteredabove.



Whenalldimensionsareentered,presstheApplybuttontoreturntothepreviousConfigurationwindow.



 Apply–TransfersthedimensionstotheoriginalConfigurationwindow.

 Tanks–ReturnstothepreviousShapeSelectionwindow.

 Cancel–ReturnstotheConfigurationwindowwithoutsavinganyinformation.

Help–JumpstotheHelpmenu.



14

GETTINGSTARTED(continued) StepFive

Dimensional Entry – Horizontal Cylindrical with Endcaps Example:Choose the Sensor Output Units as

Distance or Volume.After choosing the Sensor Output Units, select the units of measurement in the pull

downtotheleft.



UnitsofMeasurement

Distance Volume

Inches

Cm

Feet

Meters

Gallons

Liters



Distance–SensorOutputUnits:

Enter the dimensions of the tank.You must

enterdatainallfieldsshown.

SensorHeight:Distancefromthebottomof

thetanktothebottomofthetransducer.

FillHeight:Distancefromthebottomofthe

tanktothemaximumliquidheight.

RiserHeight:Distancethesensorisrecessed

within a riser, measured from the bottom of

thesensortotheinsideofthetank.

Volume–SensorOutputUnits:

Enter the dimensions of the tank.You must

enterdatainallfieldsshown.

SensorHeight:Distancefromthebottomof

thetanktothebottomofthetransducer.

FillHeight:Distancefrom

thebottomofthe

tanktothemaximumliquidheight.

RiserHeight:Distancethesensorisrecessed

within a riser, measured from the bottom of

thesensortotheinsideofthetank.

TankHeight:Distancefromthebottomofthetanktothetopofthestraightsidewall.

CylinderLength:Distanceofthestraightlengthofthetank.

EndCapLength:Distanceofoneendcap.Bothendcapswillbeusedinthevolumecalculation.





15

GETTINGSTARTED(continued) StepFive

Volume – Tank Capacity:Upon entering the dimensions, press the Capacity button to show the Calculated

Capacity of the tank.If the Calculated Capacity is slightly different than the expected capacity, click on the

AdjustCapacityboxandentertheexpectedcapacityofthetank.IftheAdjustedCapacityismorethan10%of

theCalculatedCapacity,recheckthedimensionsenteredabove.



Whenalldimensionsareenterediscompleted,presstheApplybuttontoreturntothepreviousConfiguration

window.



 Apply–TransfersthedimensionsbacktotheoriginalConfigurationwindow.

 Tanks–ReturnstothepreviousShapeSelectionwindow.

 Cancel–ReturnstotheConfigurationwindowwithoutsavinganyinformation.

Help–JumpstotheHelpmenu.



16

GETTINGSTARTED(continued) StepFive

3.LevelConfiguration

Thissectionofthesoftwareis whereyouenterapplicationmeasurementvalues.Allvaluesmustbe filledin

beforemovingtothenextstep.



Sensor Height: Distance from

thebottomofthe tanktothe

bottomofthetransducer.

Fill Height: Distance from the

bottom of the tank to the

maximumliquidheight.

Note: If Volume is selected,

Sensor Height and Fill Height

are grayed out and can only

be changed on the

DimensionalEntryPage.Also,

the Capacity of the tank will

be shown in the lower left

corner.



4.WritetoUnit

Afteryouha ve enteredconfiguration,tankshape informationandlevelvalues,c lick “WritetoUnit”toload

theconfigurationintothe memoryofthesensor.Whencompleted,thisconfigurationwill remaininsidethe

sensor’smemory and willnotchange unless  the sensor  is connectedto LVCN‐414‐SW software anda new

configurationiswrittentothesensor.Lossofpowerwillnotchangeorlosetheconfigurationwithinsensor

memory.

Next, use the file management features to save your

configurationbyclicking“SaveConfigFile”andprintyourwiring

diagrambyclicking“WiringDiagram.”

“SaveConfigFile”willsavethisconfigurationasatextfilewhich

can be loaded back into the  LVCN‐414‐SW

 software by pressing

the “Open Config File” button.It is good practice to save the

configuration file for each different configuration with a unique

nameforeasyidentification.Ifusingmultiplesensorsinidentical

applications, then use of a single configuration file is

recommended.

“Wiring Diagram” will display a  PDF file showing the unique

wiring for the specific configuration created.The PDF can be

printedorEmailed.Itisgoodpracticetosavethewiringdiagram

asabackup.



WritetoUnit

Wiringdiagram



SaveConfigFile





17

WIRING StepSix

WiringDiagram



WiringLVU2700Series

After you have finished positioning and mounting LVU2700 Series, follow the software’s wiring diagram to

wireLVU2700Series.OmegaEngineeringrecommendsusingaqualified licensedelectriciantowireLVU2700

Seriesandyourapplication’scomponents.

WireConnections:



Red&Black

RedandBlackleadsareforconnectiontoa24

VDCpowersupplyortoa4‐20mAlooppowersource.Thered

andblackwirescanbeextendedupto1,000feetusinga22gaugeorlargerwire;howeverdonotextendthe

greenandwhitewires.

White&Green

WhiteandGreenleadsarereservedforusewiththesoftwareandshouldnot be connected during usage in

theapplication.Thesewiresshouldnotbeconnectedto the LVCN414‐SW whilepowerissupplied  from any

sourceotherthantheLVCN414‐USBseriesFob.

Note: Once the LVU2700 Series is configured, isolate the white and green wires from active power to

preventashortoftheconfigurationcircuit.

Note:DonotextendtheWhite&Greenwiresbeyond15’.





18

WIRING(continued) StepSix

Generalnotesforelectricalconnections,usageandsafety:

 Where personal safety or significant  property damage can occur due to a spill, the installation must

havearedundantbackupsafetysysteminstalled.

 Wiringshouldalwaysbecompletedbyalicensedelectrician.

 Supplyvoltageshouldneverexceed28VDC.

 Thesensormaterialsmustbechemicallycompatiblewiththeliquidstobemeasured.

 Designafail‐safesystemforpossiblesensorand/orpowerfailure.

 NeverusethesensorinenvironmentsclassifiedasHazardous.



VoltageOutput

LVU2700Seriescanbeusedasa0to5or0to10VDCoutputdevice.Aresistorwillneedtobeaddedtothe

circuittoenableavoltageoutput(refertothewiringdiagrambelow).

 0‐5VDCoutput

o Adda250Ohmresistor

o Actualoutputwillbe0.8to5VDC

 0‐10VDCoutput

o Adda500Ohmresistor

o Actualoutputwillbe2to10VDC





19

WIRING(continued) StepSix

WiringtoDisplay,Controllers&PLC’s(continued)

ProportionalLevelController

LVCN‐51Series

JWAmode(FactorySetting)

ProportionalLevelController

LVCN‐51Series

JWBmode



GenericLoop

PoweredDisplay

GenericPLC





20

INSTALLATION StepSeven

The LVU2700 Series should always be mounted perpendicular to the liquid surface and installed using the

providedFKMmountinggasket.Makesurethatthefittingandtransmitterthreadsarenotdamagedorworn.

Always hand‐tighten the transmitter within the fitting.Perform an installed leak test under normal process

conditionspriortosystemstartup.Note:ThepreferredmountingfittingfortheLVU2710seriesisaplastic(2”

threadx1”thread)reducerbushing.

MountingGuide

1. Donotmountatanangle

2. Liquidshouldneverenterthedeadband

3. SideWall:

a. ForLVU2710Series‐mountatleast2”fromtheside

wall

b. ForLVU2718,LVU2726&LVU2732Series‐mountat

least3”fromthesidewall

4. Donotmountwhereobstacleswillintrudeonsensor’s

beamwidth

a. LVU2710Series‐mountatleast2”fromobstacles

b. ForLVU2718,LVU2726&LVU2732Series‐mountat

least3”fromobstacles

5. Donotmountinavacuum

6. Avoidmountinginthecenterofadometoptank.

7. Inconebottomtank,positionthesensoroverthe

deepestpartofthetank.

Installationinexistingfittings:Iftheexistingfittingislarger

than the threads of the  sensor, select a reducer bushing

suchastheLVU800‐2N40(2”threadx1”thread)orLVU800‐

3N40(3”threadx2”thread).



LVU800‐2N40



LVU800‐3N40

Donotinstallat

anglerelativeto

theliquid.



Donotinstall

within3”oftank

sidewall.



Donotinstallwith

objectsinthe

beam.



Donotinstallin

applicationswith

vacuum.



MetalTanks(LVU2710series)

OmegaEngineeringultrasonictransmittershavebeenoptimizedforuseinnon‐metallicfittings.

1. Forbestperformance,avoidtheuseofmetallicfittings.

a. Useaplastic2”x1”reducerbushing(suchasLVU800‐2N40)oraplastic1”tankadapter(such

asLVU800‐1B).

2. While installations directly into a 1” metal fitting are not recommend

ed, acceptable results may be

obtained if the 1” fitting is a half coupling in form and the outer diameter of the coupling is tightly

wrappedinvinyltapetodampenvibrations.





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Omega LVU2700 Series Owner's manual

Brand: Omega

Model: LVU2700 Series

Category: Measuring, testing & control

Type: Owner's manual

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Omega LVU2700 Series Owner's manual

Omega LVU2700 Series Owner's manual

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