Kamstrup MULTICAL 403 Technical Description

MULTICAL® 403
16
Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023
2.5 Accuracy
Heat meter components MPE according to EN 1434-1 MULTICAL® 403, typical accuracy
Flow sensor
E
f
= ± (2 + 0,02 q
p
/q), but not exceeding ±5 % E
f
= ± (1 + 0,01 q
p
/q) %
Calculator
E
c
= ± (0,5 + ∆Θ
min
/∆Θ) % E
c
= ± (0,15 + 2/∆Θ) %
Sensor set
E
t
= ± (0,5 + 3 ∆Θ
min
/∆Θ) % E
t
= ± (0,4 + 4/∆Θ) %
Diagram 1: Total typical accuracy of MULTICAL® 403 compared to EN 1434-1.
-6,0
-4,0
-2,0
0,0
2,0
4,0
6,0
0,01 0,10 1,00 10,00
Tol [%]
q [m³/h]
MULTICAL
®
403 q
p
1,5 m³/h @
∆
Θ 30K
Ec+Et+Ef (EN) Ec+Et+Ef (Typ)
qi
qp qs

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