Task
To develop a smart high-tech electricity meter to measure active and reactive energy in single-phase AC circuits, capable of transmitting data to the user’s account and being integrated into automatic commercial electricity metering systems.
Solution
- Integrated optical interface
- Integrated wireless interface (bandwidth: 433.050 – 434.790 MHz; effective output power: max. 10 mW)
- Integrated CR 2032 3V battery to feed the clock and calendar where no external power supply is available
- Electronic seals at the terminal cover and enclosure; magnet exposure indicator; low battery indicator
- Protection against electric shock: the meter is rated Class II equipment of Transient Overvoltage Category III, Pollution Degree 2
- Logging of self-test results, setup changes, events
