MEASURE TODAY. ENSURE wPrime Series 280W-D
8
Features • For domestic water consumption metering • Cold water as well as water up to 50°C • No moving parts.Wear-free ultrasonic technology • Patented sensor design Robust, not impacted by water impurity. Meets the challenges of harsh environment, such as the Middle East and Africa • Excellent long-term stability Accuracy does not degrade over time • No maintenance needed • Bi-directional flow • No count on air • Leakage detection • Not affected by magnetic interference Applications • Revenue metering • Residential submetering • Commercial buildings • Leakage detection • AMR and billing MEASURE TODAY. ENSURE TOMORROW • Low pressure drop • Free positioning for mounting • Battery for 10 more years • Capable of automatically switching to M-Bus when available to save battery • IP 68 water-proof • Vacuum-sealed for humidity resistance. No water condensation risk on the display • Tamper-proof design • NIST calibration to OIML R49 Class 2 / Metrology ISO 4064 Class C • Smart and AMR ready with pulse, M-Bus, or Wireless interface • Optional SpireCapture AMR/AMI and Billing solutions wPrime TM Series 280W-D DOMESTIC ULTRASONICWATER METER Spire Metering Technology LLC, 14B Craig Road,Acton, MA 01720, USA Tel +1 978 263-7100 / 888 738-0188 (toll-free) Fax +1 978 418-9170 [email protected] www.SpireMT.com DS-280WD-1205_Rev.2
Transcript of MEASURE TODAY. ENSURE wPrime Series 280W-D
Features
• Fordomesticwaterconsumptionmetering• Coldwateraswellaswaterupto50°C• Nomovingparts.Wear-freeultrasonictechnology• Patentedsensordesign Robust,notimpactedbywaterimpurity.Meetsthechallengesofharshenvironment,suchastheMiddleEastandAfrica
• Excellentlong-termstability Accuracydoesnotdegradeovertime• Nomaintenanceneeded• Bi-directionalflow• Nocountonair• Leakagedetection• Notaffectedbymagneticinterference
Applications
• Revenuemetering• Residentialsubmetering• Commercialbuildings• Leakagedetection• AMRandbilling
MEASURE TODAY.ENSURETOMORROW
• Lowpressuredrop• Freepositioningformounting• Batteryfor10moreyears• CapableofautomaticallyswitchingtoM-Buswhenavailabletosavebattery
• IP68water-proof• Vacuum-sealedforhumidityresistance.Nowatercondensationriskonthedisplay
• Tamper-proofdesign• NISTcalibrationtoOIMLR49Class2/MetrologyISO4064ClassC
• SmartandAMRreadywithpulse,M-Bus, orWirelessinterface• OptionalSpireCaptureAMR/AMIandBillingsolutions
wPrimeTM Series 280W-DDOMESTICULTRASONICWATERMETER
SpireMeteringTechnologyLLC,14BCraigRoad,Acton,MA01720,USA
Tel+1978263-7100/888738-0188(toll-free)[email protected]
DS-280W
D-1205_Rev.2
wPrimeTM Series 280W-DDOMESTICULTRASONICWATERMETER
MEASURE TODAY. ENSURETOMORROW2
AmemberofthewPrimeTMSeries,the280W-DUltrasonicWaterMeterisspeciallydesignedfordomesticwatermeteringapplicationswhereconventionalwatermetersfailduetoharshenvironment,solidsinwater,highmain-tenance,magneticvandalizationorincapableofleakagedetection.
The280W-Doffersthemostadvancedwaterflowmeasurementbyusingstate-of-the-artultrasonictechnology.Themeterdoesnothaveanymovingpartsthatcanwearortear,thusitrequiresnomaintenance.
Thetechnicalspecificationsofthe280W-Dmeetthestandardsforresidentialutilityme-teringwithitsClassCaccuracy,operationaltemperaturefrom0.1°Cto50°Candsafety
temperatureupto95°C,aswellasnominalpressureof1.6MPa.Thewidedynamicrangeallowsforaloaduptodoubletherating,therebyensuringhighoperationsecurity.ThelargeLCDcandisplaytheflowtotal,leakagealarm,reverseflow,andmore.Themeteralsohasaremotereadoutwhichcouldbeconfig-uredaspulse,M-Bus,infrared,orwireless.
SpireMetering’s280W-DUltrasonicWaterMeterstandsoutamongitscompetitionduetoitspatentedsensordesign,robustperfor-mance,AMRfeaturesandcapabilitytodetectverylowflowrate.Itworksreliablyevenwhenthewaterhasparticlesandtheenviron-mentisharsh.Residentialinstallationscanprofitfromtheadvantageofthewear-freewaterflowmeasurement,namely,precision,operationsecurityandlongservicelife.
wPrimeTM Series 280W-DDOMESTICULTRASONICWATERMETER
MEASURE TODAY. ENSURETOMORROW 3
Therefore,theflowratecanbederivedfromthetransit-timedifferenceaccordingly.
ThewPrimeTMserieswatermeterhasusedadvanceddigitalsignalprocessingtechnologytopreciselymeasurethetransit-timeofeachultrasonicpulse.Astatisticalgorithmisalsousedtocounterinterferencewhichcouldcomefromsolidsorairbubblesinthewater.Theflow-cellisalsooptimallydesignedsothemultimodereflectionintheflowtubeissignificantlyattenuated.Thisallowssignificantincreasestherobustnessofthesystem.Theflowratecalculationisbasednotonlyontran-sit-timedifferenceandthegeometryoftheflow-cell,butalsoonfluiddynamicstheory.
Onlyultrasonicpulsesareusedtointer-rogatetheflowwhichenablesthemetertohavenomovingparts.Therefore,thereisnothingtowearandtear.Inaddition,theprincipleisbasedonthetransit-timedifferenceinsteadoftransit-time,alltheinterferingfactors,suchasthetemperature,pressure,solidsconcentrationandwaterquality,arecancelledout.Theendresultisthatthesystemisinherentlyrobust!
Operating Principle
ThewPrimeTMserieswatermeterconsistsofaflowsensorandanintegrator.Theflowsensorisaflow-cellmadefrombrass(figurebelow.)Twoultrasonictransducers,AandB,arefirmlymountedontheflow-cellatopti-malpositions,withtworeflectorsinsideoftheflowtube.Theultrasonicsignalgeneratedbyonetransducerisdirectedtowardtheflowdirectionbythereflectorbelowit.Whentheultrasonicsignalreachestheotherreflector,itisredirectedtothetransduceraboveit.Therefore,eachtransducercanreceivethesignalsentfromanothertransducer.
Anintegrator(orcalculator)controlsthetwoultrasonictransducerstotransmitandreceiveultrasoundinanorderlyfashionsoastoconductpreciseflowmeasurement.Specifi-cally,theintegratoroperatesthetwotrans-ducerstosimultaneouslytransmitapulseofultrasonicenergyintothewaterflow.Thepulsesignaltravelsalongtheflowandreachestotheothertransducerundertheguidanceofthetworeflectors.Obviously,thedown-streampulse(fromAtoB)travelsfasterthantheupstreampulse(fromBtoA).Thetraveltime(ortransit-time)differenceofthetwopulsesisdirectlyproportionaltoflowvelocity.
•Reflector
wPrimeTM Series 280W-DDOMESTICULTRASONICWATERMETER
MEASURE TODAY. ENSURETOMORROW4
ThewPrimeseriesTMwatermeteroffersavarietyofinterfaceoptions,suchasM-Bus,RS485withModbus,BACnet,Pulse,aswellaswireless(GSM,GPRSandRF).ItisflexibletobeintegratedintoanAMR/AMIsystem.
SpireMeteringalsooffersacompleterangeofAMR/AMIsolutionsaswellasanintegratedbillingsystem.TheSpireCapturesystemisacuttingedgefixedautomaticmeterreadingsystemwhichintegratesbothwiredandwirelessAMR/AMItechnologies.ThesystemprovidesaunifiedplatformformeterreadinganddatamanagementthroughM-Busnetworks,RFwirelessnetworks,GSMnetworks,GPRSnetworksaswellasTCP/IPnetworks.Inaddition,itworksseamlesslywithSpireMetering’sbillingsoftwaretomakedataexchangeeasy,fastandreliable.
SpireCaptureisanadvanced,highlyrobustmeterreadingsolutionthatdelivers
comprehensiveusageinformationaswellastimely,high-resolutionmeterreading.Thisdataenablesgas,water,heatandelectricutilitiestoeliminateon-sitevisitsandestimatedreads,reducetheftandloss,implementtime-of-usebilling,andprofitfromallofthefinancialandoperationalbenefitsoffixed-networkAMI/AMR.
ForinformationonAMR/AMIparts,suchasconcentrators,repeaters,protocolconvertors,datacollectiondevicesandmore,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
wPrimeTM Series 280W-DDOMESTICULTRASONICWATERMETER
MEASURE TODAY. ENSURETOMORROW 5
Technical Specifications
Notes:
•DefaultpipejointisBSPthreading.NPTthreadingisavailableuponrequest.
•Lisflowsensorlength.L1isthetotallengthofflowsensorplusextensionpieces.•Weightincludesextensionpiece.
• 1m3/hisabout4.4GPM.
Size Flowrate Dimensions Pressure Loss(bar)
Weight(kg)
Pipe Joint (BSP)
mm inchQ3 Q4 Q2 Q1 Qs L L1 H Ø1 Ø2
Sensor Ext. Piecem3/h gpm m3/h l/h l/h l/h mm inch mm mm mm mm
15 ½ 1.6 7 2.0 25.6 16 2 110 4.33 204 64 95 80 0.23 0.65 G3/4B G1/2B
15 ½ 2.5 11 3.125 40 25 3 110 4.33 204 64 95 80 0.23 0.65 G3/4B G1/2B20 ¾ 2.5 11 3.125 40 25 3 130 5.12 232 64 95 80 0.22 0.8 G1B G3/4B
•FlowSensor •ExtensionPiece
H
Ø2
HL1
Ø1
Ø2
H
wPrimeTM Series 280W-DDOMESTICULTRASONICWATERMETER
MEASURE TODAY. ENSURETOMORROW6
1
0.1
0.1 1 10
0.01
1.6 m3/h 2.5 m3/h
Flowrate [m3/h]
Pre
ssu
re L
oss
[b
ar]
Electrical DataPowerSupply: Battery,3.6V,Lithium
ReplacementInterval: 10yearsattBAT<30°C(86°F)NetworkPowerSupply: AutomaticallyswitchtoM-BusifavailabletosavebatteryPowerConsumption: <0.1WBackupPowerSupply: InternalSuperCap
CommunicationInterface: M-Bus(default).Optional:opticalisolatedPulseorRadio433MHzCEapproval: EN61326-1:2006
Accuracy / MPE (Maximum Permissible Error)MPEaccordingtoOIMLR49±2intherangeQ2≤Q<Q4;±5intherangeQ1≤Q≤Q2
Mechanical DataMetrologicalClass: 2(accordingtoOIMLR49)
EnvironmentalClass: B.ElectromagneticClass: E1EnvironmentalTemp: 0-55°C(32-131°F)
PermissibleFlowTemp: Standardversion:0.1-50°C(32-122°F)forlongtermandupto95°C(203°F)forshortterm.
EnclosureProtection: IP68IntegratorDetachable: No
Pressure: PN16
Pressure LossThepressurelossofaflowsensorisproportionaltothesquareontheflow:
Δp=kxQ2
HereΔpispressureloss,Qisvolumeflowrateandkisthecoefficient.AllmetershaveΔplessthan0.24baratQ3and0.38baratQ4.AccordingtoOIMLR49themaximumpressurelossmustnotexceed1.0barwithinflowrangeQ1toQ4.
Pressure Loss vs. Flowrate
•Non-obstructiveSensorDesignGuaranteesLowPressureLoss.
wPrimeTM Series 280W-DDOMESTICULTRASONICWATERMETER
MEASURE TODAY. ENSURETOMORROW 7
Order Specifications
Example280W-D-DN020-1-A-1-Bstandsforthe280W-DwPrimeTMSeriesDomesticWaterMeterforpipeDN20mmwithM-Businterface,BSPpipejointandextensionpieces.
280W-D - DN - - - -
Output InterfacePulse 0M-Bus 1Radio 2
Pipe JointBSP ANPT B
AccessoryNone 0Withextensionpiece 1Other,pleasespecify 2
Nominal Flowrate Q31.6m3/h A2.5m3/h B
MeterSize DN15(1/2”) 015DN20(3/4”) 020
wPrimeTM Series 280W-DDOMESTICULTRASONICWATERMETER
MEASURE TODAY. ENSURETOMORROW8
•Infrared•Integrator•Yearofbuild•Displaytotalvolume,alarm,reverse,battery,etc.•Metrologydata•Flow-cellsensor
FormerlyShenitech,SpireMeteringisagloballeaderinflowandenergymanagementsolutions.Throughcontinuousinnovation,wetransformcomplexultrasonictechnologyintoaffordable,reliablesolutionsforaccurateflowandenergymeasurement.SpireMeteringofferswater,heat,electricityandgasmetersaswellasAMR/AMIsolutions.Tofindouthowwecanhelptoday,pleasetellusaboutyourapplication.
About Spire Metering Technology
•ExtensionPiece(optional)
