Ultrasonic heat energy meter WITHOUT REFLECTION PLATE

Capability

Parameter

NominalDiameter(mm)

DN15

DN20

DN25

DN32

DN40

Ratedflow(m³/h)

2.5

6

10

MinFlow(m³/h)

1. 3
2. 5

MaxFlow(m³/h)

12

20

TemperatureRange

4~95ºC

TemperatureDifference

3~90K(Minvalueofex-factoryis0.2)

MinTemperatureErrorPair

±0.1

Workingpressure

Pressureloss

≤10kPa/straightthroughpipewithnoreflectioncomponent

Accuracy

EN1434/CJ128Class2

TypeofFlowSensor

Ultrasonicflowsensor

TypeofTemperatureSensor

PT1000

ProtectionClass

IP65

PowerSupply

Dualpowersupplywithlithiumbattery(withservicelifeover6years)andremotetransmissionpowersupply.

Maxstaticcurrent

10μA

Masworkingcurrent

40μA

AmbientClass

EN1434/CJ128ClassA

CommunicationMode

M-BUS,Rs485,infraredopticalinterface

Display

8-digit+promptingcharacter

Cumulativeheatquantity:kWhorMJ(DisplayRange:0~9999999.9)

Thermalpower:KW

Instantaneousflowrate:m³/h

Totalvolume:m³

Supplyandreturnwatertemperature:ºCTemperaturedifference:K

Totaloperatingtime:h

Date:Y/M/D,Clock:h/m/s

DisplayResolution

Heatquantity:0.1kWhor1MJ

Totalvolume:0.001m³

Temperature:0.01ºCTemperaturedifference:0.01K

DataStorage(EEPROM)

Heatquantity,totalvolumeandcorrespondingtime,maxthermalpowerofthecurrentmonthstoredbymonth.Latest18month’sdatacanbestored.

Mountingposition

Supplyorreturnpipe

Mountingmode

Vertical,horizontal

Connectingtype

Threadedpipe