Kamstrup MULTICAL 403 User Manual

9Kmsrup A/S • 55121739_A4_GB_11.2017
MULTICAL® 403
3.2 Flow sensor position
A Recommended flow sensor posiion.
B Recommended flow sensor posiion.
C Unccepble posiion due o risk of ir
build-up.
D Accepble posiion in closed sysems.
E A flow sensor ough no o be plced
immediely fer  vlve, wih he
excepion of block vlves (bll vlve ype)
which mus be fully open when no used for
blocking.
F A flow sensor mus never be plced on he
inle side of  pump.
G A flow sensor ough no o be plced fer 
double bend in wo plnes.
E
F
G
B
C
D
A
In order o void cviion, he bck pressure  he flow sensor (he pressure  he flow sensor
oule) mus be minimum 1.5 br  q
p
(nominl flow) nd minimum 2.5 br  q
s
(mximum flow).
This pplies o emperures up o pprox. 80 °C.
The flow sensor mus no be exposed o lower pressure hn mbien pressure (vcuum).

Kamstrup MULTICAL 403 Specifications

General

Type	Ultrasonic Heat Meter
Flow Sensor	Ultrasonic
Pressure Rating	PN16
Battery Life	Up to 16 years
Approval	MID Class 2
Display	LCD
Communication	M-Bus, Wireless M-Bus, Modbus, BACnet
Power Supply	Battery
Accuracy	Class 2
Protection Class	IP54
Housing Material	Composite
Flow Rate Range	0.6 m3/h to 15 m3/h