MEASURE TODAY. ENSURE wPrime Series 280W-D · as timely, high-resolution meter reading. This data...
Transcript of MEASURE TODAY. ENSURE wPrime Series 280W-D · as timely, high-resolution meter reading. This data...
Features• Residentialpotablewaterconsumptionmetering• Temperaturecompensatedforcoldwateraswellashotwaterupto60°C(140°F)
• Nomovingparts.Wear-freeultrasonictechnology• Durable,provenBRASSsensorbody.Solvesthechallengesinharshenvironments
• Patentedsensordesign.providesprecisesignal,robustperformance,andisnotimpactedbywaterimpurity
• Excellentlong-termstabilitywithconsistentperformance. Accuracydoesnotdegradeovertime• Maintenance-free• Leakagedetection• Tamper-proofdesign.Recordswhentemperingisdetected
Applications• Revenuemetering• Residentialsubmetering• Commercialbuildings• Leakagedetection• AMR/AMIandbilling• Drive-bymetering
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• Notaffectedbymagneticinterference• Doesnotmeasureentrainedairinpipe• Bi-directionalflow• Lowpressuredrop• Freepositioningforinstallation• LargeLCD,9digitsdisplay• Morethan10yearsbatterylife• IP68water-proof• NISTcalibrationtoMetrologyISO4064ClassD• Radiomodulefordrive-bymeterreadingorAMR/AMIfixedmeterreading
• DataLoggerwith700dailytotalsand24monthlytotals• OptionalSpireCaptureAMR/AMIandBillingsolutions
wPrimeTM Series 280W-DRESIDENTIALULTRASONICWATERMETER
SpireMeteringTechnologyLLC,15CraigRoad,Acton,MA01720,USA
Tel+1978263-7100/888738-0188(toll-free)[email protected]
DS-280W
D-1410_Rev5
wPrime™ Series 280W-DRESIDENTIAL ULTRASONIC WATER METER
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AmemberofthewPrime™Series,the280W-DResidentialUltrasonicWaterMeterisspeciallydesignedfordomesticwatermeteringapplicationswhereconventionalwatermetersfailduetoharshenvironment,solidsinwater,performancedegradation,magneticvandalizationorincapableofleakagedetection.
The280W-Doffersthemostadvancedwaterflowmeasurementbyusingstate-of-the-artultrasonictechnology.Itsflowsensordoesnothaveanymovingpartsthatcanwearortear,whichprovidesarobustandaccuratemeterwithnomaintenance.
Thetechnicalspecificationsofthe280W-DmeetthestandardsforresidentialutilitymeteringwithitsClassDperformance,operationaltemperaturefrom0.1°Cto60°Candsafetytemperatureupto95°C,aswellasnominalpressureof1.6MPa.Thewidedynamicrangeallowsforaloaduptodoubletherating,therebyensuringhighoperationsecurity.ThelargeLCDcandisplaytheflowtotal,leakagealarm,reverseflow,andmore.Themeteralsohasaremotereadoutwhichcouldbeconfiguredaspulse,M-BusorRFwireless.
SpireMetering’s280W-DResidentialUltrasonicWaterMeterstandsoutamongitscompetitionduetoitsrobustperformance,patentedsensordesign,tamper-prooffeature,multipleAMR/AMIoptionsandcapabilitytodetectverylowflowrate.Itworksreliablyevenwhenthewaterhasparticlesandtheenvironmentisharsh,suchasthecaseinMiddleEastandAfrica.Residentialinstallationscanprofitfromtheadvantageofthewear-freewaterflowmeasurement,namely,precision,operationsecurityandlongservicelife.
wPrime™ Series 280W-DRESIDENTIAL ULTRASONIC WATER METER
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ThewPrime™serieswatermeterhasusedadvanceddigitalsignalprocessingtechnologytopreciselymeasurethetransit-timeofeachultrasonicpulse.Astatisticalgorithmisalsousedtocounterinterferencewhichcouldcomefromsolidsorairbubblesinthewater.Theflow-cellisoptimallydesignedaccordingtoourpatentedtechnology,sothatthemultimodereflectionintheflowtubeissignificantlyattenuated.Itallowssignificantincreaseinsignalstrengthandquality,thus,therobustnessofthesystem.Theflowratecalculationisbasednotonlyontransit-timedifferenceandthegeometryoftheflow-cell,butalsoonfluiddynamicstheory.
Onlyultrasonicpulsesareusedtointerrogatetheflowwhichenablesthemetertohavenomovingparts.Therefore,thereisnothingtowearoutorcauseareductioninaccuracy.Inaddition,theprincipleisbasedonthetransit-timedifferenceinsteadoftransit-time,alltheinterferingfactors,suchasthetemperature,pressure,solidsconcentrationandwaterquality,arecancelledout.Theendresultisthatthesystemisinherentlyrobust!
Operating PrincipleThewPrime™serieswatermeterconsistsofaflowsensorandanintegrator.Theflowsensorisaflow-cellmadefrombrass(figurebelow.)Twoultrasonictransducers,AandB,arefirmlymountedontheflow-cellatoptimalpositions,withtworeflectorsinsideoftheflowtube.Theultrasonicsignalgeneratedbyonetransducerisdirectedtowardtheflowdirectionbythereflectorbelowit.Whentheultrasonicsignalreachestotheotherreflector,itisredirectedtothetransduceraboveit.Therefore,eachtransducercanreceivethesignalsentfromanothertransducer.
Anintegrator(orcalculator)controlsthetwoultrasonictransducerstotransmitandreceiveultrasoundinanorderlyfashionsoastoconductpreciseflowmeasurement.Specifically,theintegratoroperatesthetwotransducerstosimultaneouslytransmitapulseofultrasonicenergyintothewaterflow.Thepulsesignaltravelsalongtheflowandreachestotheothertransducerundertheguidanceofthetworeflectors.Obviously,thedownstreampulse(fromAtoB)travelsfasterthantheupstreampulse(fromBtoA).Thetraveltime(ortransit-time)differenceofthetwopulsesisdirectlyproportionaltoflowvelocity.Therefore,theflowratecanbederivedfromthetransit-timedifferenceaccordingly.
•Reflector
wPrime™ Series 280W-DRESIDENTIAL ULTRASONIC WATER METER
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ThewPrime™serieswatermeteroffersavarietyofinterfaceoptions,suchasM-Bus,RS485withModbus,Pulse,aswellasbuilt-inRFwireless.ItisflexibletobeintegratedintoanAMR/AMIsystemoradrive-bysystem.
SpireMeteringalsooffersacompleterangeofAMR/AMIsolutionsaswellasanintegratedbillingsystem.TheSpireCapturesystemisacuttingedgefixedautomaticmeterreadingsystemwhichintegratesbothwiredandwirelessAMR/AMItechnologies.ThesystemprovidesaunifiedplatformformeterreadinganddatamanagementthroughM-Busnetworks,RFwirelessnetworks,GSMnetworks,GPRSnetworks,BACnetnetworksaswellasTCP/IPnetworks.Inaddition,itworksseamlesslywithSpireMetering’sbillingsoftwaretomakedataexchangeeasy,fastandreliable.
SpireCaptureisanadvanced,highlyrobustmeterreadingsolutionthatdeliverscomprehensiveusageinformationaswell
astimely,high-resolutionmeterreading.Thisdataenablesgas,water,heatandelectricutilitiestoeliminateon-sitevisitsandestimatedreads,reducetheftandloss,implementtime-of-usebilling,andprofitfromallofthefinancialandoperationalbenefitsoffixed-networkAMI/AMR.
Otherthanautomaticmeterreading,SpireMeteringalsooffersdrive-bysolution.Fordetailedinformationondrive-bysystemandAMR/AMIsystem,[email protected].
Automatic Meter Reading
Wireless M-Bus Concentrator
Data CenterGateway
GPRS network(Cellular data network)SHENITECH
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M-BUSM-BUSM-BUS
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M-BUSM-BUSM-BUS
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wPrime™ Series 280W-DRESIDENTIAL ULTRASONIC WATER METER
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Technical Specifications
Notes:• Default pipe joint is BSP threading.
• NPT threading is available upon request.
• L is flow sensor length. L1 is the total length of flow sensor plus extension pieces.• Weight does not include extension piece. It may vary. Please contact us for exact measure.
• 1m3/h is about 4.4GPM.
• Dimension H, Φ1 and Φ2 are for reference only. Please contact us for exact measure.• Optional strainer
Size Flowrate Dimensions Pressure Loss(bar)
Weight(kg)
Pipe Joint (BSP)
mm inQ3 Q4 Q2 Q1 Qs L L1 H H1 Φ
Sensor Ext. Piecem3/h GPM m3/h l/h l/h l/h mm in mm mm mm mm
15 ½ 2.5 11.0 3.125 16 10 3 165 6 ½ 261 102 167 108 0.48 0.8 G3/4B R1/2
20 ¾ 4 17.6 5 25.6 16 4 190 7 ½ 296 107 172 108 0.27 0.95 G1B R3/4
25 1 6.3 27.8 7.875 40.32 25.2 5 260 10 ¼ 382 112 177 108 0.23 1.2 G1 1/4B R1
32 1 ¼ 10 44.1 12.5 100 62.5 6 260 10 ¼ 386 121 186 108 0.38 1.4 G1 1/2B R1 1/4
40 1 ½ 16 70.5 20 160 100 8 300 12 431 132 197 108 0.42 1.6 G2B R1 1/2
wPrime™ Series 280W-DRESIDENTIAL ULTRASONIC WATER METER
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Electrical DataPowerSupply: Battery,3.6V,Lithium
ReplacementInterval: >10yearsattBAT<30°C(86°F)
PowerConsumption: <0.1W
BackupPowerSupply: InternalSuperCap
CommunicationInterface: M-Bus(default).Optional:opticalisolatedPulse,RF433MHzorRF868MHzOthertypecanbecustomizeduponrequest
CEapproval: EN61326-1:2006
Accuracy / MPE (Maximum Permissible Error)MPEaccordingtoISO4064:2005orOIMLR49
±2intherangeQ2≤Q<Q4;±5intherangeQ1≤Q≤Q2[forT≤30ºC(85ºF)]
±3intherangeQ2≤Q<Q4;±5intherangeQ1 ≤Q≤Q2[forT>30ºC(85ºF)]
DynamicRange:R=250forDN15~DN25;R=160forDN32~DN40
For hot water (≥30ºC)
For cold water (<30ºC)
Erro
r (%
)
6
5
4
3
2
1
0
-1
-2
-3
-4
-5
-6
Q1 Q2 Q3 Q4Q
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Mechanical DataMetrologicalClass: 2(accordingtoISO4064:2005orOIMLR49)
EnvironmentalClass: B/C
ElectromagneticClass: E1
EnvironmentalTemp: 0~60°C(32~140°F)PermissibleFlowTemp: 0.1~60°C(35~140°F)forlongtermandupto95°C(203°F)forshortterm.
EnclosureProtection: IP68
IntegratorDetachable: No
Pressure: PN16
Pressure LossThepressurelossofaflowsensorisproportionaltothesquareontheflow:Δp=kxQ2
HereΔpispressureloss,Qisvolumeflowrateandkisthecoefficient.TheDN15(½”)meterhask=0.067andΔplessthan0.48baratQ3.TheDN20(¾”)meterhask=0.019andΔplessthan0.27baratQ3TheDN25(1”)meterhask=0.006andΔplessthan0.23baratQ3.ThepresslossesforallthesizesmeettheISO4064:2005,OIMLR49andAWWAstandards.
Pressure Loss vs. Flowrate
wPrime™ Series 280W-DRESIDENTIAL ULTRASONIC WATER METER
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FormerlyShenitech,SpireMeteringisagloballeaderinflowandenergymanagementsolutions.Throughcontinuousinnovation,wetransformcomplexultrasonictechnologyintoaffordable,reliablesolutionsforaccurateflowandenergymeasurement.SpireMeteringofferswater,heat,electricityandgasmetersaswellasAMR/AMIsolutions.Tofindouthowwecanhelptoday,pleasetellusaboutyourapplication.
About Spire Metering Technology
Order Specifications
Example #1280W-D-DN15-1-A-0standsforthe280W-DwPrime™SeriesResidentialWaterMeterforpipeDN15mmwithM-Businterface,BSPpipejointandaQ3flowrateof2.5m3/h.
Example #2280W-D-DN20-2-A-1standsforthe280W-DwPrime™SeriesResidentialWaterMeterforpipeDN20mmwithbuilt-inRF433MHz,BSPpipejointandaQ3flowrateof4.0m3/h.
Output InterfacePulse 0
M-Bus(default) 1
RFwireless433 2
RFwireless868 3
Encoder 4
Other,pleasespecify 5
Pipe JointA BSP(default)
B NPT
Accessory0 None
1 Withextensionpiece(tailpiece)
2 Other,pleasespecify
MeterSize DN15/½” 15
DN20/¾” 20
DN25/1” 25
DN32/1 ¼” 32
DN40/1 ½” 40
280W-D-DN - - -