Smart Measurement Terminal
MT11-HX57/MT12-HX58
The China Southern Power Grid Smart Metering Terminal is a modular intelligent terminal installed in dedicated or public transformer areas. It features energy metering, data collection, distribution transformer monitoring, and power consumption management, supporting multi-object data collection and high-performance computing to facilitate grid operation and maintenance and intelligent power consumption.
Product Description
The Smart Metering Terminal (MT11-HX57/MT12-HX58) is a new-generation metering automation terminal product from China Southern Power Grid. Adhering to the design concept of “hardware modularization and software APP-based,” it achieves protocol conversion and interconnection between sensing networks and communication networks, as well as between different types of sensing networks, through the coordination of the terminal body and external modules. It features functions such as energy metering, power quality monitoring, topology identification, orderly power consumption, new energy accommodation, data collection, data processing and storage, and data transmission, meeting the needs of marketing, distribution, and new business applications.

Product Advantages
Smart Measurement Terminal
MT11-HX57/MT12-HX58
| Technical Specifications | Specifications/Requirements |
| Accuracy Class | Active Energy Class C, Reactive Energy Class 2 |
| Rated Voltage Un | Three-Phase Three-Wire: 3×100V Three-Phase Four-Wire: 3×220V/380V, 3×57.7V/100V |
| Operating Voltage Range | 0.7Un~1.3Un |
| Rated Current Ib (Maximum Current Imax) | Low Current: 1(10)A High Current: 20(80)A |
| Rated Frequency | 50Hz |
| Allowable Frequency Deviation | -5%~+5% |
| Clock Accuracy | <0.5s/d |
| Operating Temperature Range | -25℃~+75℃ |
| Operating Humidity Range | 10%~100% |
| Meter Protocol | DL/T 645-1997, DL/T 645-2007, etc. |
| Master Station Protocol | China Southern Power Grid Metering Automation Terminal Uplink Communication Protocol |
| Remote Upgrade | Supports breakpoint resume mechanism Supports remote upgrade via Ethernet, wireless public network, etc. |
| Outline Dimensions | 290mm×180mm×103mm |



