Middle-South Meter Co., Ltd.
Tested energy meters of this manufacturer are listed below
| WO No | 2113053 |
| QUA/CAL | |
| Report No | 08-4017 |
| Country | China |
| Type | DD108 |
| Class (Wh) | 2 |
| Elements | 1-phase |
| Wiring | 2-wire |
| Connection | Direct connected |
| Technology | Mechanical (ferraris) |
| Frequency | 50 |
| Current | 5(30) or 10(60) |
| Voltage | 230 - 240 |
| Register | Mechanical |
| Standards | IEC 62053-11 |
| WO No | 70068231 |
| TIC | |
| Report No | 6965-11 (22 pages) |
| Country | China |
| Type | DT108 |
| Class (Wh) | 2 |
| Elements | 3-phase |
| Wiring | 4-wire |
| Connection | Direct connected |
| Technology | Mechanical (ferraris) |
| Frequency | 50 |
| Current | 15(60) |
| Voltage | 230/400 |
| Register | Mechanical |
| Standards | IEC 62053-11 |