38 Datasheet 280T

Features

• Wear-free.Maintenance-free• Non-reflectorsensordesignforrobustperformanceinbothclearwateranddirtywater

• Multipathtechnologyforincreasedaccuracy• Excellentlong-termstability.Accuracydoesnotdegradeovertime

• ExceedOIMLR75class2.Billinggrade• IP68water-proof• Lowpressuredrop

Applications

• Residentialsubmetering• Commercialbuildings• Districtheating/cooling• HVAC• Greenenergymanagement• AMRandBilling

• Forbothheatingandcoolingcircuits• Freepositioning• AutomaticallyswitchtoMBuspowerwhenavail-abletosavesbattery

• ReadyforAMRwithPulse/M-Bus/Modbus/BACnetinterface

• Wirelessavailable• Lowcostoverthelongrun• SpireCaptureAMR/AMIandBillingsolutions

tPrimeTM Series 280TULTRASONICHEATMETER

Spire Metering Technology LLC,14BCraigRoad,Acton,MA01720,USA

Tel+1978263-7100/888738-0188(toll-free)[email protected]

MEASURE TODAY.ENSURETOMORROW.

DS-280T-1205_Rev.2


MEASURE TODAY. ENSURETOMORROW.2

ThetPrimeTMseriesultrasonicheatmeter,oftencalledBTUmeter,offersthemostadvancedheating/coolingenergymeasure-mentbyusingstate-of-the-artultrasonicflowmeasurementtechnology.Itdoesnothaveanymovingpartsthatcanwearortear,thus,literallyrequiresnomaintenance.

Withitsmaximum95°Coperatingtempera-ture(130°Cversionisalsoavailableuponrequest)andnominalpressureof1.6MPa,thetechnicalspecificationsofthetPrimeseriesmeetthestandardsforresidentialandcom-mercialutilitymetering.Thewidedynamicrangeallowsforaloadofuptodoubletherating,therebyensuringhighoperationsecu-rity.Thelargedisplaycanbesettodisplaythe

heatconsumption,temperature,flowtotal,workingtime,flowrateandmore.Themeteralsohasaremotereadoutwhichcouldbeconfiguredaspulse,M-Bus,RS485/Modbus,BACnetorwireless.

SpireMetering’sultrasonicBTUmeterstandsoutamongthecompetitionduetoitsuniquereflector-freesensordesignandmultipathtechnology.Itisabletoworkreliablyevenwhenthewaterisdirty,whichcouldbethecaseintheHVACcircuitafteryears’opera-tion.Bothcommercialandresidentialinstal-lationscanprofitfromtheadvantagesofthewear-freeheating/coolingenergymeasure-ment,namely,precision,operationsecurityandlongservicelife.


MEASURE TODAY. ENSURETOMORROW. 3

Unique Multi-path TechnologyForlargesizemeters,itisnoteasytoinstalltheflowsensorperfectlyinlinewiththepipeline.Asmallmisalignmentcouldcauseflowprofiledistortioninsidetheflowsensor,thus,causingsignificantmeasurementerrors.SpireMeteringdevelopedauniquemulti-pathtech-nologytosolvethisproblem.Two/fourpairsofultrasonictransducersaremountedontheflowsensorbodytointerrogatetheflowfromtwo/fourdifferentpaths(refertofigureontheright.)Aflowcalculationalgorithmbasedonfluiddynamicstheoryisthenusedtoderiveanaverageflowreadingwithimprovedaccuracy.

Non-reflector DesignIntendedforsmallpipesizes,SpireMeteringhasdesignedastraight-throughflowsensorcontainingaflowguidethatextendsthesoundpath,allowingformoreprecisemeasurement.Thisreflector-lessdesignisrevolutionaryasitprovidesenoughsoundpathtoensureoverallaccuracyenhancement.Thisissignifi-cantbecauseovertime,heatingandcoolingcircuitsbecomedirtyandbegintoaffecttypi-calreflectordesigns.Thisfundamentalchangeeliminatesimpendingfailuresandallowsthemetertocontinuetocapturemeasurementsregardlessofliquidquality.

ThetPrimeTMseriesBTUmeterisconsistedofanultrasonicflowsensor,apairofPT1000temperaturesensorsandanintegrator.Themicroprocessor-basedintegratorcontrolstheultrasonicsensortotransmitandreceiveultrasoundinanorderlyfashionsoastoconductpreciseflowmeasurement.ItalsohaselectronicsdedicatedtothePT1000sensortomeasurethetemperatureinthesupplypipeaswellasthereturnpipe.Theintegratorcalculatestheheatenergybasedontheflow-rateandthetemperaturedifferencebetweenthesupplyandthereturn.

Thefigureontherightillustrateshowtheultrasonicflowsensorworks.Twoultrasonictransducers(AandB)aremountedonaspool-pieceface-to-face,oneisontheup-streamandtheotheronthedownstream.Theintegratoroperatesbyalternatelytransmit-tingandreceivingaburstofsoundenergybetweenthetwotransducersandmeasuringthetransit-timeittakesforsoundtotravelbetweenthetwotransducers.Thedifferenceinthetransit-timemeasuredcorrespondsdi-rectlytothevelocityoftheliquidinthepipe.

Operating Principle



ThetPrimeTMseriesBTUmeteroffersavari-etyofinterfaceoptions,suchasM-Bus,RS485withModbus,BACnet,Pulse,aswellaswire-less(GSM,GPRSandRF).ItisveryflexibletobeintegratedintoanAMR/AMIsystem.

SpireMeteringalsooffersacompleterangeofAMR/AMIsolutionsaswellasanintegratedbillingsystem.ItsSpireCapturesystemisacuttingedgefixedautomaticmeterread-ingsystemwhichintegratesbothwiredandwirelessAMR/AMItechnologies.ItprovidesaunifiedplatformformeterreadinganddatamanagementthroughM-Busnetworks,RFwirelessnetworks,GSMnetworks,GPRSnetworksaswellasTCP/IPnetworks.Inaddi-tion,itworksseamlesslywithSpireMetering’sbillingsoftwaretomakedataexchangeeasy,fastandreliable.

SpireCaptureisanadvanced,highlyrobustmeterreadingsolutionthatdeliverscom-prehensiveusageinformationaswellastimely,high-resolutionmeterreading.Thisdataenablesgas,water,heatandelectricutilitiesto

eliminateon-sitevisitsandestimatedreads,reducetheftandloss,implementtime-of-usebilling,andprofitfromallofthefinancialandoperationalbenefitsoffixed-networkAMI/AMR.

AtypicalM-BusbasedAMRsystemisillus-tratedinthebelowfigure.ItisconsistedofanumberofM-Busutilitymeters,severalM-Busconcentrators,aGSM/GPRSwirelessmodemforeachconcentrator,andadatacenter.TheConcentratorcommunicateswiththedatacenterthroughaGSM/GPRSnetwork.Thedatacenterfirstissuesameterreadingcom-mandandsendsittothewirelessnetwork.Themodemreceivesthecommandandfor-wardsittotheM-Busconcentrator.Then,theconcentratoreitherrepliestothecommandwithrequesteddataorpassesthecommandtoitssubmeterstransparently.

ForinformationonAMR/AMIparts,suchasconcentrators,repeaters,protocolconvertors,datacollectiondevicesandetc.,please contact [email protected]

Automatic Meter Reading

Wireless M-Bus Concentrator

Data CenterGateway

GPRS network(Cellular data network)SHENITECH

M-BUS

SHENITECH

M-BUSM-BUSM-BUS

SHENITECH

M-BUS

SHENITECH

M-BUSM-BUSM-BUS

SHENITECH

M-BUS

SHENITECH

M-BUSM-BUSM-BUS

SHENITECH

M-BUS

SHENITECH

M-BUSM-BUSM-BUS

SHENITECH

M-BUS

SHENITECH

M-BUSM-BUSM-BUS



Specifications

SizeFlowrate Dimension

(mm) Weight*(kg)

Pipe Joint**(BSP / DIN)qn qmin qmax

mm inch m3/h gpm m3/h gpm m3/h gpm L W H Flow Sensor Ext. Piece15 1/2 1.5 6.6 0.03 0.1 3.0 13.2 110 120 86 0.7 G3/4B G1/2B

20 3/4 2.5 11 0.05 0.2 5.0 22 130 120 86 0.8 G1B G3/4B

25 1 3.5 15.4 0.07 0.3 7.0 30.8 160 128 89 0.9 G1 1/4B G1B

32 11/4 6.0 26.4 0.12 0.5 12.0 52.8 180 130 96 1.3 G1 1/2B G1 1/4B

40 11/2 10 44 0.2 0.9 20 88 200 134 98 1.8 G2B G1 1/2B

50 2 15 66 0.6 2.6 30 132 200 165 190 5.6 Flange – Nut 4-M16

65 21/2 25 110 1.0 4.4 50 220 200 185 204 6.6 Flange – Nut 4-M16

80 3 40 176 1.6 7 80 352 225 192 220 9.0 Flange – Nut 8-M16

100 4 60 264 2.4 10 120 528 250 220 240 11.6 Flange – Nut 8-M16

125 5 100 440 4.0 17 200 880 250 230 235 16.2 Flange – Nut 8-M16

150 6 150 660 6.0 26 300 1320 300 265 270 16 Flange – Nut 8-M20

200 8 250 1100 10.0 44 500 2200 350 350 320 22 Flange – Nut 12-M20

250 10 400 1760 16.0 70 800 3520 450 405 405 60 Flange – Nut 12-M24

300 12 600 2640 25.0 110 1200 5280 500 460 460 80 Flange – Nut 12-M24

350 14 800 3520 30.0 132 1600 7040 500 520 520 105 Flange – Nut 16-M24

400 16 1200 5280 48.0 211 2400 10560 500 580 580 123 Flange – Nut 16-M27

450 18 1500 6600 60.0 264 3000 13200 500 640 640 157 Flange – Nut 20-M27

500 20 2000 8800 80.0 352 4000 17600 500 715 715 208 Flange – Nut 20-M30

Notes:

•Weightmaydifferdependingonaccessories.

•PipejointcouldbeNPT/ANSIflangeuponrequest.ForDN50~DN100,theflangeisremovable.

L

H

W

W

H

L

L1

•FlowSensor •ExtensionPiece



Electrical DataPowerSupply: Battery,3.6V,Lithium

ReplacementInterval: 10yearsattBAT<30°CNetworkPowerSupply: AutomaticallyswitchtoM-BusorRS485powerifavailableto

savebatteryPowerConsumption: <0.2W

StandbyCurrent: <10uABackupPowerSupply: InternalSuperCap

CommunicationInterface: M-Bus(default).Optional:RS485withMODBUSsupport,opticalisolated;Pulse,opticalisolated,BACnet,Radio,GSM

CEapproval: EN61326-1:2006

Accuracy / MPE (Maximum Permissible Error)MPEaccordingtoOIMLR75,thewholesystemerroristhecombinationofthefollowing:

Calculator(Integrator): Ec=±(0.5+2/ΔΘ)TemperatureSensor: Et=±(0.5+4/ΔΘ)

FlowSensor: Ef=±(2+0.02qn/q)HereΔΘisthetemperaturedifferencebetweentheflowandreturnoftheheatexchangecircuit.qistheflowrateandqpisthenominalflowrate.

Calculator (Integrator)Display: LCD,8digits

Resolution: 999.99999-999999.99-99999999EnergyUnit: KWh–MWh–GJ

CommunicationProtocol: M-Bus(default).Optional:MODBUS



Temperature MeasurementSensorType: Pt1000,2-wire

MeasurementRange: 0-150°C(32-302°F)DifferenceRange: ΔΘ:3K-70K

PermissibleTemperature: Θ:2-60°C(35-140°F)forlongtermandupto95°C(203°F)forshorttermHigh-temperatureversionupto130°C(266°F)(uponrequest)

Mechanical DataMetrologicalClass: 2(accordingtoOIMLR75)

EnvironmentalClass: BElectromagneticClass: E1EnvironmentalTemp: 0-55°C(32-131°F)EnclosureProtection: IP68IntegratorDetachable: Yes

Pressure: PN16FlowSensorCable: 1.2m(upto10m,uponrequest)

TemperatureSensorCable: 1.2m(upto10m,uponrequest)

Pressure LossThepressurelossofaflowsensorisproportionaltothesquareontheflow:

Δp=kxq2

HereΔpispressureloss,qisvolumeflowrateandkisthecoefficient.AllmetershaveΔplessthan0.25baratqp.



Order Specifications

Example280T-DN025-1-A-2-Astandsforthe280TtPrimeTMseriesBTUmeterforpipeDN25mmwithM-Businterface,BSPpipejoint,extensionpiecesandT-connector(thermalwell.)Standardtemperaturerating.

280T - DN - - - -

Output InterfacePulse 0M-Bus 1RS485/Modbus 2BACnet 3GSMwireless 4RFwireless 5Others 6

Pipe JointBSP ANPT BDINFlange CANSIFlange D

Size DN15(1/2”) 015 DN125(5”) 125DN20(3/4”) 020 DN150(6”) 150DN25(1”) 025 DN200(8”) 200DN32(11/4”) 032 DN250(10”) 250DN40(11/2”) 040 DN300(12”) 300DN50(2”) 050 DN350(14”) 350DN65(21/2”) 065 DN400(16”) 400DN80(3”) 080 DN450(18”) 450DN100(4”) 100 DN500(20”) 500

AccessoryNone 0withextensionpiece(forsize≤DN40) 1withextensionpieceandT-connector/thermalwell(forsize≤DN40) 2

TemperatureStandardTemperature AHighTemperature B



•Integrator•InterfaceCable•FlowSensorCable

•ExtensionPiece(optional)•T-connector/Thermalwell(optional)•Gasket

Small size BTU meter (DN15-DN40)

•Flow-cellSensor•IntegratorHolder•TemperatureSensorMountingPot•TempSensor1(alreadyinstalled)•TempSensor2



Medium Size BTU Meter (DN50-DN100)

•Integrator•Flow-cellSensor•RemovableFlange•TempSensor



•InterfaceCable•FlowSensorCable•TempSensor1and2•Flow-cellSensor

Large Size BTU Meter (DN125-DN500)



FormerlyShenitech,SpireMeteringisagloballeaderinflowandenergymanagementsolutions.Throughcontinuousinnovation,wetransformcomplexultrasonictechnologyintoaffordable,reliablesolutionsforaccurateflowandenergymeasurement.SpireMeteringofferswater,heat,electricityandgasmetersaswellasAMR/AMIsolutions.Tofindouthowwecanhelptoday,pleasetellusaboutyourapplication.

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38 Datasheet 280T