Kamstrup MULTICAL 603 Technical Description

MULTICAL®603

96
KamstrupA/S∙Technicaldescription∙5512‐2029
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A1_GB
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06.2017
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7.1.3 OutletenergyregistersA1andA2
Thefunction behindthe“Outletenergy registers”isthatA1accumulates heatenergyconsumedwithlowoutlet
temperatureforwhichthecustomerreceivesadiscount,andA2accumulatesheatenergyconsumedwithhighoutlet
temperatureforwhichtheconsumerreceivesasurcharge.
Theenergy
calculationsofaheatmeterwithflowsensorinoutletareshownbelow:
A1=m
3
x(t5‐t2)k
t2
 Heatenergywithdiscount
A2=m
3
x(t2‐t5)k
t2
Heatenergywithsurcharge



Theoutlettemperaturereferencet5canbefactory‐configur edasrequired,orcanbechangedviaM ETERTOOLHCW
afterdelivery.Typicalconfiguration ist5=50°C.

Symbol Explanation Measuringunit
t1 Inlettemperature
[°C]
t2 Outlettemperature
t5
Outlettemperature
reference
E1 Totalheatenergy
[kWh],[MWh],[GJ],[Gcal]
A1 Heatenergyatadiscount
A2
Heatenergywithan
addition

AstheaccuracyoftheabsolutetemperaturehasdirectinfluenceontheaccuracyofoutletenergyregistersA1andA2,
thezeroerrorofthesensorpairandtheinfluencefromthesensors’connectioncableoughttobecompensatedvia 
theoffsetadjustmentofMULTICAL®603(seeparagraph7.3).

Kamstrup MULTICAL 603 Specifications

General

Flow Sensor	Ultrasonic
Battery Life	Up to 16 years
Power Supply	Battery
Communication Options	M-Bus, Wireless M-Bus, Modbus, BACnet
Display	LCD
Application	Heating and Cooling
Pressure Rating	PN16
Approval	MID
Accuracy	Class 2
Ambient Temperature Range	55°C
Housing Material	Brass