DTZ Y1506-Z C-level three-phase charge control smart power meter is a high-precision, high-quality and high-stability power metering product for key users and their use scenarios, which can be applied to users for 100 kVA and above. The product integrates measurement, monitoring, alarm, display, freezing, RS485 communication, infrared communication and other powerful functions in one. It fully complies with the technology, function, A-level safety specifications of the three-phase smart power meter of State Grid, and its communication protocol complies with the DL / T698.45 communication protocol.