MADDALENA Microclima U

MicroClima U is a compact instrument, suitable for thermal energy accounting in systems more complex than domestic divisional systems. This heat meter is suitable for water containing suspended particles. It is available in gauges from DN 15 to DN 40.

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Description Water meter Dimensions

Maddalena MICROCLIMA U

ULTRASONIC COMPACT THERMAL ENERGY METER

Comprised of: detachable calculator, ultrasonic water meter, Pt 1000 temperature sensors
High temperature resistant for district heating (special version)
Detection of backflow and air
For in-line installation
Nominal flow rate qp: 0.6 m³/h to 10 m³/h
Ideally suitable for district heating (version for high temperatures)
Dynamic temperature measuring cycle: 2/60 s
Measuring cycle of flow rate: 2 s
Detachable calculator, 85 cm cable (2.85 m upon request)
Inlet or outlet and unit of measurement can be set on site
Communication interfaces: wireless M-Bus, wireless M-Bus + 3 pulse inputs, M-Bus, M-Bus + 3 pulse inputs, 2 pulse outputs, LoRaWAN + 3 pulse inputs, Modbus
Replaceable battery, service life 10 years
Allows external power supply
MID approved

Parameter	Value
Measuring method	Ultrasonic, time-of-flight
Nominal flow rate qp (m³/h)	0.6 / 1.5 / 1.5 / 2.5 / 3.5 / 3.5 / 6.0 / 10.0
Low flow rate threshold (l/h)	6 / 6 / 6 / 12 / 14 / 14 / 30 / 30
Minimum flow rate qi (l/h)	12 / 12 / 12 / 25 / 28 / 28 / 60 / 100
Maximum flow rate qs (m³/h)	1.2 / 3.0 / 3.0 / 5.0 / 7.0 / 7.0 / 12.0 / 20
Pressure drop Δp at qp (bar)	0.03 / 0.21 / 0.04 / 0.12 / 0.21 / 0.21 / 0.20 / 0.11
Pressure drop Δp at qs (bar)	0.13 / 0.85 / 0.17 / 0.46 / 0.89 / 0.89 / 0.80 / 0.43
Nominal diameter (mm)	DN15 / DN15 / DN20 / DN20 / DN20 / DN25 / DN25 / DN40
Thread (inch)	G3/4B / G3/4B / G1B / G1B / G1B / G1 1/4B / G1 1/4B / G2B
Length (mm)	110 / 110 / 130 / 130 / 130 / 150 / 150/260 / 200/300
Dynamic range qi/qp	1:50 / 1:125 / 1:125 / 1:100 / 1:125 / 1:125 / 1:100 / 1:100
Accuracy class (MID)	Class 2
Nominal pressure PN (bar)	16
Temperature range of medium – heat (°C)	15-90 (standard)
Temperature range of medium – cooling (qp 1.5 to qp 6) (°C)	5-50
Temperature range of medium – heat/cooling (°C)	15-90 heat (standard) 5-50 cooling
Installation point	Inlet or outlet Can be set if the energy value is ≤ 10 kWh
Mounting position	Any
Protection class	IP65

qp (m³/h)	Nominal Diameter	G (“)	L (mm)	H (mm)	A (mm)	Weight (basic version) (kg)
0.6	DN15	G3/4B	110	65	37	0.720
1.5	DN15	G3/4B	110	65	37	0.720
1.5	DN20	G1B	130	65	37	0.770
2.5	DN20	G1B	130	65	37	0.770
3.5	DN20	G1B	130	65	37	0.770
3.5	DN25	G1 1/4B	150	65	37	0.930
6.0	DN25	G1 1/4B	150	67.5	39.5	0.930
6.0	DN25	G1 1/4B	260	67.5	39.5	1.200
10.0	DN40	G2B	200	73	45	1.580
10.0	DN40	G2B	300	73	45	2.050