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Subject to change without prior notice
EN
* Per l’attivazione di allarmi opzionali che possono essere attivati tramite NFC o ulteriori dettagli fare riferimento al Manuale Utente reperibile sul sito www.bmeters.com
11. Battery and replacement procedures
The thermal energy meter constantly monitors the status of the battery (maximum life: 10 years*) and signals
the imminent discharge by showing the icon on display . Reporting takes place one year before full discharge.
For more details see the separated WMBUS specification document. For replacement, contact the manufacturer.
Do not recharge or replace the battery.
Do not open, puncture or damage the batteries.
Do not short-circuit the battery.
Do not expose the battery to temperatures above 85° C.
Do not expose the battery to an extremely low pressure
environment which could cause an explosion or a leak of
gases or flammable liquids.
Do not use naked flames near the device.
Do not put in contact with water.
Always use original spare parts authorized by the
manufacturer.
Do not insert into ovens, crush or cut: these actions
could cause an explosion or leakage of flammable
gases or liquids.
The thermal energy meter uses non-rechargeable batteries that, if misused, can be potentially dangerous. To reduce the
risks, you should take the following precautions.
37 Module removal The module is not detected for 5 consecutive failed communications.
38 End of battery life module The remaining battery life of the external module is less than 1 year.
39 Reserved Inform Customer Service
40 NFC Fraud An NFC field is detected for more than some minutes.
*The battery life strongly depends on the working time window, set during the
configuration process, and on the environmental conditions. Estimation of the
battery life is given by the configuration software.
12. Technical data
Model Hydrocal-M4
Power supply Batteries
Battery type LiMnO2, 2 x 3.0V
Battery life Maximum 10 years
Use temperature range +5 to +55°C
Storage temperature range -20 to +70°C
Dimensions 110 x 78 x 73 mm (DN15);
130 x 78 x 76 mm (DN20)
Degree of protection IP65
Weight 575g (DN15); 700g (DN20)
Liquid supported Water
Accuracy class 2
Environmental class A (E1, M1)
Display LCD, 8 digits + icons
Units of measurement J, MJ, GJ, KWh, MWh
Measurement temperature range
(heating) Θ: +1 °C - +90°C
Temperature range dierence
(heating) ΔΘ: 3 K - 90 K
Measuring temperature range
(cooling)* Θ: +0.2 °C - +90°C
Temperature range dierence
(cooling)* ΔΘ: 0.2 K - 90K
Counting operating conditions
(start)
Heating: ΔΘ≥1K (counting
enabling conditions)
Cooling: ΔΘ≥0.2K
Max. measurable power 650 kW
Pulse input (external module) 2 for impulsive device
Max. pulse input frequency 25 Hz
* The thermal energy calculation for heating application is MID certified.
The cooling energy calculation is not compliant with the MID regulation.