Kamstrup MULTICAL 403 Technical Description

MULTICAL® 403
Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023
15
2.3
Mechanical data
Environmental class
Fulfils MID class M1 and M2
Ambient temperature
5…55 °C, condensing, closed location (installation indoors)
Protection class
Calculator: IP54
Flow sensor: IP68
According to EN/IEC 60529
Medium temperatures
Heat meters 403-W
2…130 °C
At medium temperatures below ambience or above 90 °C
in flow sensor we recommend that the calculator is wall
mounted.
Cooling meters 403-C
2…50 °C
Heat/cooling meters 403-T
2…130 °C
Medium in flow sensor
Water (district heating water as described in AGFW FW510)
Storage temperature
-25…60 °C (drained flow sensor)
Pressure stage
PN16/PN25, PS25
Weight
From 0,9 to 8,6 kg depending on flow sensor size
Flow sensor cable
1,5 m (cable undemountable)
Connecting cables
ø3,5…6 mm
Supply cable
ø5…8 mm
2.4
Materials
Wetted parts
Case, thread Hot-pressed dezincification proof brass (CW 602N)
Case, flange Stainless steel, material no. 1.4308
Transducer Stainless steel, material no. 1.4404
O-rings EPDM
Measuring tube Thermoplastic, PES 30 % GF
Reflectors Thermoplastic, PES 30 % GF and stainless steel, material no. 1.4306
Flow sensor case
Top/wall bracket Thermoplastic, PC 20 % GF
Calculator case
Top and base Thermoplastic, PC 10 % GF with TPE (thermoplastic elastomer)
Verification cover Thermoplastic, PC 10 % GF
Cables
Silicone cable with inner Teflon insulation

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