ProconEngineering(ADivisionofNationalOilwellVarcoUKLimited)

TypeLeverMount®Capacities5kgto5000kg

LoadcellisfullyweldedandhermeticallysealedtoIP68andIP69;cablesheathispolyurethane

StainlesssteelOIMLC3orC6approvedloadcell(approval*available)

Fastloadcellinstallation/removalwithoutjackingordummy/falsecells,whilevesselisfull

Stable,shim-free3pointmounting

Substantialanti-liftprotection

Allowsforlargeamountofvesselexpansion/contraction

Canbemountedradiallyortangentially

Versionforstaticapplicationanddynamicapplications(e.g.floorscales

Cast,grade316stainlesssteelmount(3sizes)

Tolerantofsteelworkmisalignment

TheLeverMount®isauniquewell-establishedloadcellweighingassemblythatmakesinstallationmuchsimpler,saferandmorecost-effectivethantraditionalassemblies.Itsinnovativedesignallowsforfastloadcellinstallationwithoutanyjackingtoolsordummy(false)loadcells–evenwithaloadedtank/hopper.Itisavailablein3sizes,withreferencetotheloadcellcapacity:LeverMount®Lite(5to200kg).LeverMount®300to2500kgandLeverMount®3000to5000kg.AllProconEngineeringloadcellscomewitha3yearwarranty.

LeverMount®TechnicalSpecificationSheetATEXCertificationTheLP20bendingbeamorLP35sheerbeamloadcellsusedinthedustzones.Usingthe‘ta’modeofprotection,theseloadcellscanbeusedwithoutsafetybarriersinalldustzones(20,21,22)–creatingsignificantcostsavings.

Code TemperatureClass

Parameters Application

II1GDExiaIICT4.T6GaIP68T85°CExiaIIIICT135°CT85°CDaExtaIIIcT85°CDa

T4 Pi=2.50W Gaszones0,1,2withsafetybarriersDustZones20,21,22withoutsafetybarriers

T5 Pi=2.50W

T6 Pi=1.69W

*2500kgcapacityversionisnotATEXapprovedInstallationBenefitsLeverMount®’suniqueandpatenteddesigneliminatesanyneedforseparatesupport,e.g.hydraulic/mechanicaljacksorliftingtools,toraiseandlowerthevesselbeingweighed.Thebasecasting,manufacturedfromgrade316stainlesssteel,providesastableload-bearingplatformforthevesselbeforetheloadcellisinstalled.Oncethevesselisinposition,the2transitboltsareremovedandtheloadcellisusedasalevertoraisethetopplateofthemountontotheweighingposition,evenwhenthevesselisfull.Intherareeventthataloadcellshouldberemovedthisisdonebereversingtheprocedure.Nohydraulic/mechanicaljacksarerequiredforloadcellinstallation/removal.Nodummyorfalseloadcellsandnospecialisttoolsarerequired.LeverMount®makesinstallationoperationandmaintenanceoftheweighingsystemsafer,simpler,fasterandlesscostly.HighTemperatureTheLP20andLP35loadcellsusedintheLeverMount®areavailableinanoptionalhightemperatureversion,withspecialloadcellcomponentsandaPTFEsheathedcable.Thisallowsoperationinenvironmentsupto150°C(continuousoperation).AdditionalProtectionInextremeenvironmentswherestresscorrosioncouldoccureveninstainlesssteels,forexample,wherechlorineoracidsarepresent,anoptionalcoatingofParylenecanbeappliedtotheLP20orLP35loadcellstoprovideadditionalprotection.

LeverMount®TechnicalSpecificationSheet

Features Benefits

• Purposedesigned316stainlesssteelcastmountand

stainlesssteelloadcell • Idealforprocessweighingapplicationsthatrequirean

accurate,safeandcosteffectivesolution• Simpletwopartcastingusingthetransitboltsfor

fixingtheloadcelltothemount • Aestheticallypleasingdesign,eliminatingtheneedfor

specialboltswhichcouldbelostintransit• Stainlesssteel,OIMLapproved,fullyweldedand

hermeticallysealedloadcell • Idealforhighaccuracy.tradeapprovedprocess

weighingapplicationsintheharshestofenvironments• Loadcellactsasthelevertoraiseandlowerthevessel

underload • Noneedforalternativeliftingdevicessuchaspad

jacks• Substantialclearancebelowtheloadcell • Easier,quickerandsaferthananyothermount

arrangement• Nojackingscrewsorsupportpillars • Nostrippedthreadsortopplateinterference• Three(3)pointsupportandfixing • Eliminatesrocking&twistinginthemount,italways

findsaplane• Topplatemovementinlateralandrotationalaxis • Tolerantofsteelworkmisalignment;avoidingany

mechanicallyinducederrors• Configurableforradial,tangentialoroffsetmounting • Easyalignmenttotheradialaxisofthevessel,to

compensateforexpansionandcontraction• Substantialanti-liftresistancemorethan50%ofthe

maximumratedload • Increasedsafety,comparedwithotherdesigns

• Nominaldifferencebetweentheworkingheightandinstalled(transit)height

• Reducestheneedtocompensateforrigidpipeworkto/fromthevessel

• Loadcellcanbeeasilyremovedundertheloadinsitu. • Reducesdowntime,productiondoesnotneedtostopifaloadcellmustbechanged

• Threephysicalsizescovertheentirerangefrom5kgto5000kg

• Coversthemajorityofprocessweighingapplications

PossibleMountingOptions

LeverMount®TechnicalSpecificationSheet

ProconEngineering’spolicyisoneofcontinuousproductenhancement.Wethereforereservetherighttoincorporatetechnicalmodificationswithoutpriornotification.E&OE.Block4,Units2&3 Tel:01732781300VestryEstate Fax:01732781311Sevenoaks,Kent,TN145EL website:www.proconeng.com

Issue No: 2018-01

Loadcellutilised

LP20&LP35LoadCellSpecificationUnitsLeverMountLite LeverMount

LP20 LP35AccuracyClassaccordingtoOIMLR60:numberofverificationintervalsn

3000* 6000 3000 n.OIML

Availableloadcellcapacities(Emax)5,10,20,30,50,75,100,150,200

50,75,100,150,200

300,500,750,1000,1500,2000,2500,

3000,5000kg

RatedOutput(Sn) 2±0.1%%Δ 2** mV/VCombinedError <±0.017 <±0.008 <±0.017 %SnNon-repeatability <±0.015 <±0.01 <±0.015 %SnMinimumloadcellverificationinterval(Vmin)=Emax/Y

Emax/10000 Emax/1800 Emax/10000 kg

Creep(30minutes) <±0.016 <±0.008 <±0.016 %SnTempEffectonZeroBalance <±0.002 <±0.001 <±0.002 %Sn/°CTempEffectonSpan <±0.0012 <±0.0006 <±0.0012 %Sn/°CCompensatedTempRange -10to+40 °COperatingTempRange -30to+70 °CZeroBalance <±2 %SnInputResistance 400 Ω±20OutputResistance 350 Ω±3InsulationResistance >5000 MΩ@100VRecommendedSupplyVoltage 5-15 VMaximumSupplyVoltage 15 VEnvironmentalprotectionaccordingtoEN60529 IP68andIP69K

MaximumdeflectionatEmax 0.2-0.4 mmCableLength 3 5 MCablematerial Polyurethane NominalshippingweightofLeverMount®andloadcell 1.2

300to2500 4kg

3000to5000 9* LP20loadcell:OIMLC3(3000division)approvalisavailablefrom10to200kgΔ LP20loadcell:for5–20kgcapacityrange,toleranceofratedoutput(Sn)isa0.2%** LP20loadcellratedoutput(Sn)pre-corneradjustmentoptimisedat±0.05%byoutputcurrentcalibration

Capacity(kg)

5to200(LP20)

300to2500(LP35)

3000to5000(LP35)

A 70 70 100B 16 16 24C 147 168 225D 100 132 190E 80 108 150F 9 14 22G 55 60 80H 9 14 22J 19 19 25K 80 110 164L 7 12 15M 8 12 20

Wiring diagram using 4 core screened cable (LP20 and LP35)

Wiring diagram using 6 core screened cable (LP20 only)

Electrical Connections Construction