Kamstrup MULTICAL 603 Technical Description

MULTICAL®603

40
KamstrupA/S∙Technicaldescription∙5512‐2029
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A1_GB
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06.2017
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Belowpleasefindspecificationofrequirementstopulsedurat ionandpulsefrequencyformetersconnectedtopulse
inputs:
PulseinputsAandB
In‐A65‐66andIn‐B:67‐68viamodule 
Electronicswitch Reedswitch
Pulseinput
680kpull‐upto3.6V 680kpull‐upto3.6V

PulseON
0.4Vfor30ms 0.4Vfor500ms

PulseOFF
2.5Vfor30ms 2.5V
for500ms

Pulsefrequency
3Hz 1Hz
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Electricalisolation No No
Maxcablelength 25m 25m 
Requirements to external
Leakagecurrentatfunctionopen1A
Updateofdisplay Followstheselectedintegrationinterval(from2to64s)

Thepulse
inputsareplacedonthemodulewiththefollowingterminalnumbering:
  Connectedmeter MULTICAL®603
InputA1/A2:
Terminals
65‐66

InputB1/B2:
Terminals
67‐68



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