A consumption meter having a magnet detector to be able to detect magnetic intrusion. The meter includes a measurement circuit (MC) and a calculator circuit (CA) which are both powered by a switch mode power supply (PS) operating according to an electric switching scheme typically characterized ...
The meter further includes a power interface (PI, SC, RFID) arranged to generate electric power to at least one power consuming component (DISP, RFT, OIF) of the consumption meter based on energy received via a wireless connection to a second energy source (ES2, H). E.g. the power ...