13
Subject to change without prior notice
EN
Do not expose the battery to an extremely low
pressure environment which could cause an
explosion or a leak of gases or flammable liquids;
Always use original spare parts authorized by the
manufacturer;
11. Technical Data
Model
Hydrocal M4
Power supply
Battery-powered
Battery type
Lithium, 2 x 2.7 Ah, 3.0V
Battery life
Maximum 10 years
Range temperatures use
+5 - +55°C
Storage temperature range
-20 - +70°C
Degree of protection
IP65
Dimensions
110 x 78 x 73 mm (DN15);
130 x 78 x 76 mm (DN20)
Weights
575g (DN15); 700g (DN20)
Approval
2014/32/EC MID (Module
B) - EN1434
Environmental class
A (E1, M1)
Measurement temperature
range (heating)
Θ
: +1 °C - +90°C
Temperature range
difference (heating)
Δ
Θ
: 3 K - 90 K
Measuring temperature
range (cooling)*
Θ
: +0.2 °C - +90°C
Temperature range
difference (cooling)*
Δ
Θ
: 0.2 K - 90K
Counting operating
conditions (start)
Heating: Δ
Θ
≥1K (counting enabling
conditions)
Cooling: Δ
Θ
≥0.2K
Max. measurable
power
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)
Pulse input class
Class IA (default): Open Collector or
electromagnetic contact (reed).
Max. pulse input
frequency
5 Hz
Max. cable length
pulse input
devices
3 m
Installation
Selectable by the customer, flow or
return on request.
Liquid supported
Water
Accuracy class
2
qp\ qi ratio
Size
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
* 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
