Single-phase energy meters are designed for measuring active energy consumption in single-phase electrical systems. They are commonly installed in distribution boards and meter panels to monitor electricity usage of individual loads or circuits.These meters are available in different configurations to meet various application requirements. Typical features include digital display, clear reading of energy consumption, and stable long-term measurement performance. Some models may support additional functions such as multi-tariff measurement, pulse output, or communication interfaces for data collection and system integration.Single-phase energy meters are suitable for low-voltage power systems and can be installed using standard mounting methods such as DIN rail or panel mounting. With compact design and reliable performance, they are widely used for household electricity metering, commercial power monitoring, and energy management systems.