Kamstrup MULTICAL 403 User Manual

5Kmsrup A/S • 55121739_A4_GB_11.2017
MULTICAL® 403
2 Mounting of temperature sensors
The emperure sensors used for mesuring inle nd oule emperures respecively,
consiue  mched sensor pir, which mus never be sepred. Temperure sensors re
usully mouned in he clculor from he fcory. According o EN 1434/OIML R75 he cble
lengh mus no be chnged. Should replcemen be necessry, boh sensors mus be replced.
The sensor mrked wih  red sign is o be inslled in he inle pipe. The oher sensor, mrked wih
 blue sign, is o be inslled in he oule pipe. For mouning in he clculor, see he prgrph
”Elecricl connecion”.
Note: The sensor cbles mus neiher be exposed o jerking nor pulling. Plese be wre of his
when binding he cbles, nd be creful no o pull he binders unnecessrily igh s his
my dmge he cbles. Plese lso noe h emperure sensors mus be mouned from
below in cooling nd he/cooling insllions.
2.1 Short direct sensor (DS)
The shor, direc sensors up o DN25 cn be mouned in specil bll vlves wih buil-in M 10
socke for he shor direc sensor. They cn lso be mouned in insllions wih sndrd ee-
pieces. Kmsrup A/S cn supply R½ nd R¾ brss nipples h fi our shor direc sensors. The
shor direc sensor cn be lso be mouned direcly in seleced flow sensors from Kmsrup A/S.
Fsen he sensors’ brss unions lighly (pprox. 4 Nm) using  12 mm fce wrench, nd sel he
sensors wih sel nd locking wire.

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