SUBJECT TO CHANGE WITHOUT PRIOR NOTICE
16
11. Technical data
Diameter
DN15
(1/2”)
DN20
(3/4”)
Weight
575 g
700 g
L
110 mm 130 mm
A
13 mm
17 mm
B
72 mm
76 mm
D
3/4”
1”
Model
Hydrocal M4
Power supply
Battery (LiMnO2, 2 x 3.0V) - Maximum duration 10 years (see note on
Operating temperature range
from +5 to +55°C
Storage temperature range
from -20 to +70°C
Degree of protection
IP65
Approval
2014/32/EU MID (Module B)
EN1434
Environmental class
A (E1, M1)
Measuring temperature range MID certified (heating)
da Θ: +1 °C a +90°C
Temperature range difference MID certified (heating)
da ΔΘ: 3 K a 90 K
Measuring temperature range (cooling)*
da Θ: +0.2 °C a +90°C
Temperature range difference (cooling)*
da ΔΘ: 0.2 K a 90K
Accuracy class
2
qp\ qi ratio depending on the diameter and the
nominal flow rate
Diameter
qp (m³/h)
Ratio
qi (l/h)
DN15
0.6
50:1
12
DN15
1.5
50:1**
30
DN20
2.5
50:1**
50
Counting operating conditions (counting start)
Heating: ΔΘ ≥ 1K (counting enabling)
Cooling: ΔΘ ≥ 0.2K
Potenza Massima misurabile
650 kW
Display
LCD, 8 icons
Units of measurement
J, MJ, GJ, KWh, MWh
Temperature probes
Digital
Probe cable length
1.5 m free probe, 1 m internal probe
Pulse input
2 for impulsive device (external module)
Max. pulse input frequency
25 Hz (external module)
Installation
Selectable by the customer, supply or return on request
Liquid supported
Water
* The thermal energy calculation for heating application is MID certified. The cooling energy calculation is not compliant with the MID regulation.
**On request 100:1
