Burkert 8071 User manual

Operating Instructions
Bedienungsanleitung
Manuel utilisateur
Type 8071
Low flow sensor with oval rotors
Durchflussmessung mit Ovälradern
Capteur faible débit à roues ovales

We reserve the right to make technical changes without notice.
Technische Änderungen vorbehalten.
Sous réserve de modifications techniques.
© 2010 Bürkert SAS
Operating Instructions 1010/3_EU-ML_448739_ORIGINAL_FR



Contents:
 
 
 
 
 
  
  
  
 
 
 
  
 
Design5.2.1. ......................................................................................5
Measuringprinciple5.2.2. ..............................................................6
  
 
 
  
 
Mechanicaldata6.2.1. ....................................................................9
Generaldata6.2.2. ...........................................................................9
Electricaldata6.2.3. ......................................................................10
  
  
  
  
  
  
WiringtheNPNtransistorouptut7.3.1. ...................................13
WiringtheReedswitchoutput7.3.2. .......................................13
Wiringexamples7.3.3. ................................................................14
  
  
  
english



  
  
  
  
  
  
  
  
  
  
english


1
Aboutthismanual

Thismanualdescribestheentirelifecycleofthedevice.Pleasekeepthis
manualinasafeplace,accessibletoallusersandanynewowners.

Failuretocomplywiththeseinstructionscanleadtohazardous
situations.
Thismanualmustbereadandunderstood.•



Failuretoobservethiswarningcanresultindeathorinserious• injury.


Failuretoobservethiswarningcanresultinseriousinjuryor• evendeath.


Failuretoobservethiswarningcanresultinsubstantialorminor• injuries.


Failuretoobservethiswarningmayresultindamagetothe• deviceorthesystem.
indicatesadditionalinformation,adviceorimportantrecom-
mendationsforyoursafetyandfortheperfectoperationof
thedevice.
referstoinformationcontainedinthismanualorinother
documents.
indicatesaproceduretobecarriedout.
→
english


2
Intendeduse




The8071flowsensorisintendedtomeasuretheflowrateof• fluids,especiallyofviscousfluids.
Protectthisdeviceagainstelectromagneticinterference,•
ultravioletraysand,wheninstalledoutdoors,theeffectsofthe
climaticconditions.
Usethedeviceincompliancewiththespecificationsandcondi-• tionsofcommissioningandusegiveninthecontractualdocu-
mentsandinthisusermanual.
Safeandtrouble-freeoperationofthedevicedependsonits• propertransport,storageandinstallation,aswellascareful
operationandmaintenance.
Onlyusethisdeviceasintended.•

Observeanyexistingrestraintswhenthedeviceisexported.

Donotusethedeviceinanexplosiveatmosphere.•
Donotusefluidthatisincompatiblewiththematerialsfromwhich•
thedeviceismade.
Donot use this devicein an environment incompatiblewith the•
materialsfromwhichitismade.
Donotusethisdevicetomeasuregasflowrates.•
Donotsubjectthedevicetomechanicalloads(byplacingobjects•
ontopofitorbyusingitasastep,forexample).
Donotmakeanyexternalmodificationstothedevice.Donotpaint•
orvarnishanypartofthedevice.
english


3
Basicsafetyinformation


Thissafetyinformationdoesnottakeintoaccount:
anycontingenciesoroccurencesthatmayariseduringinstallation,•
useandmaintenanceofthedevices.
thelocalsafetyregulationsthattheoperatormustensurethestaff•
inchargeofinstallationandmaintenanceobserve.





Toavoidinjurytakecareto:
preventanypowersupplyswitch-on.•
ensurethatinstallationandmaintenanceworkarecarriedoutby•
qualified,authorisedpersonnelinpossessionoftheappropriate
tools.

Toavoidinjurytakecareto:
guaranteeasetorcontrolledrestartingoftheprocess,aftera• powersupplyinterruption.
usethedeviceonlyifinperfectworkingorderandincompli-• ancewiththeinstructionsprovidedintheusermanual.
observethegeneraltechnicalruleswheninstallingandusing• thedevice.


Systematicallycheckthechemicalcompatibilityofthecom-•
ponentmaterialsofthedeviceandtheproductslikelytocome
intocontactwithit(forexample:alcohols,strongorconcen-
tratedacids,aldehydes,alkalinecompounds,esters,aliphatic
compounds,ketones,halogenatedaromaticsorhydrocarbons,
oxidantsandchlorinatedagents).
english


4
Basicsafetyinformation


Thisdevice contains electronic components sensitiveto• electrostaticdischarges. They maybe damaged if theyare
touchedby an electrostaticallycharged person orobject.
Inthe worst casescenario, these componentsare instantly
destroyed orgo out of orderas soon as they areactivated.
Tominimiseorevenavoidalldamageduetoanelectros-•
taticdischarge,takealltheprecautionsdescribedinthe
CEI61340-5-1and5-2norm.
Alsoensurethatyoudonottouchanyoftheliveelectrical•
components.
Thetype 8071 sensor hasbeen developed with due
considerationgiventoacceptedsafetyrulesandisstate-of-
the-art.However,risksmayarise.
Failuretoobservetheseinstructionsaswellasanyunauthorised
workonthedeviceexcludesusfromanyliabilityandalsonullifies
thewarrantywhichcoversthedeviceanditsaccessories.


Whenyoureceivethemerchandise,makesurethatthecontentsof
thedeliveryhavenotbeendamagedinanywayandensurethatthey
correspondexactlywiththedeliverynoteorpackinglist.
Ifthisisnotthecase,contactyourretailerimmediately.
Theaddressesofourinternationalbranchescanbefoundonthe
lastpagesofthisprintedmanual.
TheycanalsobefoundontheInternetunder:
www.burkert.com Bürkert Company Locations
 
Theconditiongoverningthelegalwarrantyistheconforminguseof
the8071lowflowsensorinobservanceoftheoperatingconditions
specifiedinthismanual.Thetermsandconditionsofanywarrantyare
governedbyourgeneraltermsandconditionsofsale.
english


5
Description
Thelegalwarrantyonlycoverspossibledefectsinthe8071
sensoranditscomponents.
Bürkertcannotbeheldresponsibleforanylossesordamage
relatedto the product,the service, thiswarranty or other,
includingfinancialorintangiblelosses,thepricepaidforthe
product,alossofprofits,revenues,data,enjoymentoruseof
theproductorofanyrelatedproduct,orindirectorfortuitous
lossordamage.
Intheeventofdifferencesininterpretationandunder-
standingofthisparagraph4.2.,theFrenchversionalone
shallprevail.

Youcanfindtheusermanualandtechnicaldatasheetregardingthe
type8071at:
www.burkert.com Documentation Data sheets orManuals/
Approvals Type8071
Thecompleteprintedmanualcanbeorderedundercode:448739.


The8071sensorisintendedtomeasure,thankstoitsovalrotors,
theflowrateofviscousfluids.Itmustbecombinedwithanelec-
tronicdevice(suchastransmittertype8025Universalorcontroller
type8025Batch)whichconvertsthepulsefrequencyduetooval
rotorsrotation.


Thelowflowsensortype8071isbuiltofafittingwhichincludes
ovalrotorsandofanelectronicmodulewithdetectionusinganHall
effectsensor.
Theovalrotorscontainmagnets.
AllthesensorversionsprovideanOpenCollectorNPNfrequency
outputandafrequencyoutputonReedswitch.
Theelectricalconnectionismadebya1meter5-wirecable.
english


6
Description

Whenthefluidflowsthroughthepipe,theovalrotorswhichcontain
magnetsturn(seeFig.1).Thedisplacementofmagnetsleadtoa
variationofmagneticfield.Thesensormeasuresthevariationof
themagneticfieldandconvertsthesignalintoafrequency.The
frequencyisavailableatboththeNPNtransistorandReedswitch
outputs.
Fig.1 Running/displacementofovalrotors
Theremotedeviceconvertsthefrequencyintoaflowratebyusing
thecorrectKfactor.

1
2
3
4
5
Model
Flow Range
Max Pressure
Max Temp
Serial No
Type 8071 Flow Sensor
433864N
2-100LPH
1000kPa/55Bar
120°C
D34128
Labelofthe8071sensorFig.1:
Orderingcode
1.
Flowraterange2.
Maximumpressureofthefluid3.
Maximumtemperatureofthefluid4.
Seriesnumber5.
english


7
Description
 


 

1)






   
G1/8'' 0.5-50l/h 5-50l/h aluminium stainlesssteel FKM 5bar 
stainlesssteel stainlesssteel FKM 55bar 
NPT1/8'' 0.5-50l/h 5-50l/h aluminium stainlesssteel FKM 5bar 
stainlesssteel stainlesssteel FKM 55bar 


 

1)






   
G1/4'' 2-100l/h 12.5-100l/h PPS PPS/HastalloyC FKM 5bar 
EPDM 5bar 
stainlesssteel stainlesssteel FKM 55bar 
EPDM 55bar 
15-500l/h 40-500l/h PPS PPS/HastalloyC FKM 5bar 
EPDM 5bar 
stainlesssteel stainlesssteel FKM 55bar 
EPDM 55bar 
NPT1/4'' 2-100l/h 12.5-100l/h PPS PPS/HastalloyC FKM 5bar 
stainlesssteel stainlesssteel FKM 55bar 
15-500l/h 40-500l/h PPS PPS/HastalloyC FKM 5bar 
stainlesssteel stainlesssteel FKM 55bar 
english


8
Description


  
1)

2)
   
G1/4'' 15-500l/h stainlesssteel stainlesssteel FKM 55bar 
NPT1/4'' 15-500l/h stainlesssteel stainlesssteel FKM 55bar 
Highpressureversionsavailableonrequest
Otherhighviscosityversionsavailableonrequest

english


9
Technicaldetails


Ambienttemperature: dependsonthematerialfromwhichthe
bodyismade,seefollowingtable.
 
AluminiumorPPS max.80°C
Stainlesssteel max.120°C
Relativehumidity:  <85%,withoutcondensation
Protectionrating: IP54(NEMA13)


 
Body Aluminium•
PPS•
316F(1.4401)•
Rotors PPS•
Stainlesssteel316F(1.4401)•
 
Axis HastalloyC•
Stainlesssteel316F(1.4401)•
Seal FKMorEPDM•
FFKMonrequest•
 
Processconnection InternalthreadG1/8"orG1/4",
NPT1/8’’orNPT1/4’’
Max.fluidpressure
PPSoraluminiumbody•
Stainlesssteelbody•
5bar•
55bar(550baronrequest)•
Viscosity dependingontheversion(see
chap.5.4.)
Flowratemeasurementrange dependingontheversion(see
chap.5.4.)
Accuracy ≤ ± 1 % ofreading
Repeatability ≤ ± 0,03 % ofreading
Max.particlesize 75µm
english


10
Technicaldetails

51/51/60*
36,5
60/68/64*
45
45
A24
51/51/60*
36,5
1000mmcable
*bodyinaluminium/stainlesssteel/PPS
A:17...18mmdependingonthebodymaterial
Dimensionsofsensor8071Fig.2

Supplyvoltage 4,5-24VDC
Transistoroutput
Typeofoutput•
Hallsensormax.intensity•
Recommendedload•
opencollector,NPN,max.•
25mA,4,5to24VDC
25mA•
1.8K• WPullupat24VDC
Reedswitch
Max.switchingvoltage•
Max.switchingcurrent•
Max.operatingcurrent•
Numberofcycles(typical)•
30VDC•
0,5A•
0,5A•
500x10• 6cycles(at10VDC
and10mA)
Electricalconnection 5-wirecable,1-mlength
english


11
Installationandwiring

Flowraterange Kfactor(pulse/l)
0,5-50l/h 1552
2-100l/h 1000
15-500l/h 400
Ifthe8071sensoriscombinedwithanelectronicdevice
whichdoesnotautomaticallyconverttheKfactors,make
theconversionusingoneofthefollowingformulae:
Kfactorinimp/gallonUS=Kfactorinimp/lx3,785to
obtainflowrateingallonUS/timeunit
Kfactorinimp/gallonUK=Kfactorinimp/lx4,546to
obtainflowrateingallonUK/timeunit.




Stopthecirculationoffluidandreleasethepressurebefore• looseningtheprocessconnections.

Beforestartingwork,switchoffthepowersupplyandsecureit•
topreventrestarting.
Observeallapplicableaccidentprotectionandsafetyguidelines•
forelectricalequipment.

Respecttheprevailingregulationsonaccidentpreventionand• safetyrelatingtotheuseofhazardousproducts.

Usesafetyglovestohandlethedevice.•
Stopthecirculationoffluidbeforelooseningtheprocess•
connections.
Keepalleasilyflammablematerialawayfromthedevice.•
english


12
Installationandwiring


Fluidicandelectricinstallationcanonlybecarriedoutbyquali-•
fiedandauthorisedpersonnelwiththeappropriatetools.
Installtheappropriatesecuritydevices(correctlydimensioned• fuseand/orcircuitbreaker).


Takeappropriatemeasurestoavoidunintentionalactivationof•
theinstallation.
Guaranteeasetorcontrolledrestartingoftheprocesssubse-•
quenttotheinstallationofthedevice.

Installastrainerof75µm• (200mesh)upstreamandas
closeaspossibletothesensor.




Useflexiblehoses.•



Installastrainerof75
→µmupstreamandascloseaspossible
tothesensor.
Installaby-passlineonyourinstallation(see
→Fig.3)toservice
thesensorandthestrainerwithoutstoppingprocess..
filter
directionofflow
valve
8071
Fig.3 Installationofaby-passline
Installthedeviceontothepipesothattheshaftsoftherotors
→
areinahorizontalplane.
Sealtheexternalthreadingsofthefittingwithaproduct
compatiblewiththematerialsfromwhichthesensorbody
andthepipearemade.
Screwthedeviceontothepipe.
→
english


13
Installationandwiring
 


Beforestartingwork,switchoffthepowersupplyandsecureit•
topreventrestarting.
Observeallapplicableaccidentprotectionandsafetyguidelines•
forelectricalequipment.
Useahighqualityelectricalpowersupply(filteredand•
regulated).
Makesuretheinstallationisequipotential.•

 Sensorpowersupply(+)
 Sensorpowersupply(-)
 Frequencyoutput
 Reedswitch
 Reedswitch

R
X
VDC
L+(4,5-24VDC)(red)
L-(black)
Frequencyoutput-
NPN(white)
R=1.8kWpull-upat24VDC
WiringoftheNPNtransistoroutputFig.4

max.30VDC(yellow)
max.0,5A(green)
WiringoftheReedswitchoutputFig.5
english
