Autonomous electronic module

A meter (501) that evaluates a consumption of fluid or thermal energy of an installation, the meter comprising:

• an autonomous electronic module (1), that includes
• an electronic circuit (3),
• a cell (2) providing a supply current (Icell) to the electronic circuit (3),
• a resistor (6) connected in series to the cell (2), said resistor (6) including terminals for connection thereto,
• voltage measuring means (20) that measures a voltage across the terminals of the resistor (6) as an indication of the supply current (Icell),
• a temperature sensor (21) that provides a measurement of the temperature (Tcell) of the cell (2), and
• means of evaluating a remaining charge (10, 11, 12), configured to process the supply current (Icell) and the measured the temperature (Tcell) of the cell (2) to calculate the remaining charge of the cell (2),
• the means of evaluating the remaining charge being part of the electronic circuit (3), and including a computer (10) with at least one memory (11,12) connected thereto, the at least one memory (11,12) having stored therein predetermined value thresholds or predetermined value profiles;
• and means of measurement (40) connected to the autonomous electronic module that measures a flow of fluid or thermal energy provided at the installation,
• wherein said computer (10) is configured to evaluate the consumption of the fluid or thermal energy of the installation, and
• wherein said computer (10) is connected to a warning device (30) that receives an operating signal from the computer when all data relating to the measurement of the supply current (Icell) as a function of time does not fall between the predetermined value profiles and/or when the measurement of the supply current falls outside one of said predetermined value thresholds or predetermined value profiles stored in said at least one memory (11, 12).