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ultrasonic calorimeter

ultrasonic calorimeter
  • ultrasonic calorimeter
Produced by: Weihai Zhenyu Intelligence&technology Co.,Ltd

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  1. “ZY-DN20,ZY-DN25noreflectionplateultrasonicheatmeter”techniquecharacters

(1)Theflowsensorisnoreflectionstructureusingmeasurementpipeinwallrefection

(2)Theflowmetersensorpipewithoutreflectionplatesupportandbeampiecesistotallystraightthrough,noblocking,nowear.

(3)Theflowmetersensorpipewithoutanyinternalpartwhichremovestheobstructionstowaterflowcausedbythereflectionplate,reflectionplatesupportandbeampiecesoftraditionalbasemeter,lowpressureloss,reducespressurelossoftheheatingdistributionsystem.

(4)Adoptingdualpowersupplytechnologyofbuilt-inbatteryandexternalremotecommunicationsystempowersupplyreducestheremotecommunicationeffectsonbuilt-inbatterylife.

(5)Boththeflowsensorpipeinwallandthetransducersurfaceadoptmetalchemicalanti-foulingdesignanddisposetoensuretheultrasonicsignalintensity.

(6)Featuresemptypipedetection(entersintodormantstateoutofheatingperiod)andautomaticwake-upfunction.

(7)TheprocessorusesMSP430dedicatedchipofAmericanTIcompany,ultra-lowpowerconsumption,modularfunction,lessperipheralcircuit.

(8)TheultrasonicsensordedicateddetectionchipadoptsTDC-GP2/GP21ofGermanyACAMcompany,withhighprecisionmeteringaccuracy.

(9)Adoptingintegratedlowpowerconsumptioncircuitdesignprolongsthebatteryworkinglifewiththeoreticworkinglifeover10years.

(10)ThehighprecisionPT1000platinumresistancepairtemperaturesensoradoptingGermanytemperature-sensingelementandKoreaproductiontechnologysatisfiesthemeteringaccuracyrequirements.

  1. “ZY-DN20,ZY-DN25noreflectionplateultrasonicheatmeter”maintechniqueparameters
  2. Structure

·Flowsensor:straightthroughtypeinwallreflectionultrasonicflowsensorwithnoreflectionplatestandandbeampieces

·Temperaturesensor:PT1000temperaturesensorpair

·Opticalinterface,M-businterfacefordatacommunication

  1. Flow
  • Ratedflow:1.5~3.5m³/h
  • Ratedflowandminflowproportionis100.
  1. Temperatureandtemperaturedifference
  • Temperaturemeasurementrange:4~95℃
  • Temperaturedifference:3~90℃
  • Thermalcoefficient:Alongwithinletandoutletwater
  1. Connectionmode
  • Installationposition:inletoroutletasinstructed(optional)
  • Connectiontype:threadedconnection
  • Maxworkingpressure:1.6MPa
  1. Servicecondition
  • Environmentcondition:ClassA
  1. Display
  • Display:LCD,8digits,specialsymbols
  • Dimension:kWh,MJ
  • Resolution

(1)Heat:1kWhor1MJ

(2)Cumulativeflow:0.01m³

(3)Temperature:0.1℃

(4)Temperaturedifference:0.1K

  1. Datastorage
  • Datastorage:ROM
  • Storeatleast18months’data
  1. Intensityandtightness
  • Nodamageandleakagewhenthemediumtemperatureis10℃lessthanthemaxworkingtemperatureandthepressureis1.6timesgreaterthanthemaxworkingpressure.
  1. Accuracy
  • MeteringaccuracyisClass2
  1. Pressureloss
  • Pressureloss＜10kPa(Industrialstandard:Maxallowedpressurelossis25kPa)
  1. Powersupply
  • Built-inlithiumbattery(3.6VDC/3.8Ah),externalremotedataacquisitionsystempowersupplyispossible
  • Batterylife:≥10years(Industrialstandard:built-inbatterylife＞5+1years)
  • Workingcurrent:10~40μA
  1. Safetyrequirements
  • Whenthepowersupplyisstoped,therecorddataofheat,cumulativeflowandcorrespondingtimebeforepoweroff.Canreformnormalmeteringafterpowerisrestored
  • Themeteringcharacterswillnotbeaffectedwhenthemagneticinterferencestrengthisnotgreaterthan100KA/m
  • TheenclosureprotectiongradeisIP54
  • Accordingtorelevantnationalstandard,intheenvironmentconditionofdryheat,cooling,steadydamp-heat,cyclicdamp-heatandcryogenicstorage,whentheanalogparametersareinput,theheatmetercanworknormally.
  • Accordingtorelevantnationalstandard,intheenvironmentconditionofline-voltagevariation,electricalfasttransient,electromagneticfield,electricsurge,powerfrequencymagneticfieldandelectrostaticdischarge,theheatmetercanworknormally.

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