Kamstrup MULTICAL 403 Technical Description

MULTICAL® 403
2
Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023
List of words and symbols
Word/symbol
Meaning
Unit
Expired designations
q
i
Minimum approved flow
[l/h]
Q
i
, q
vmin
, Q
min
, q
min
q
p
Permanent/nominal approved flow
[m³/h]
Q
s
, q
vmax
, Q
n
, q
n
, q
max
q
s
Maximum approved flow
1
[m³/h]
Q
max
θ
Temperature range of calculator
[°C]
θ
q
Temperature range of flow sensor (medium)
[°C]
θ
hc
Limit value for shift between heat and cooling
2
[°C]
ΔΘ
Temperature difference of inlet and outlet
[K]
t
BAT
Battery temperature
[°C]
DN
Nominal diameter
[mm]
PN
Nominal pressure
[bar]
E
c
Max. permissible error of calculator
[%]
E
f
Max. permissible error of flow sensor
[%]
E
t
Max. permissible error of temperature sensors
[%]
MPE
Maximum permissible error
[%]
PQ
Power and flow in connection with tariff
GF
Glass fibre reinforcement
KMP
Kamstrup Meter Protocol
CP
Coefficient of Performance (COP)
1
Less than an hour/day and less than 200 hours/year
2
Only available in meter type 6

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