Shanghai Metering
Tested energy meters of this manufacturer are listed below
| WO No | 2110766 |
| QUA/CAL | |
| Report No | 07-4039 |
| Country | China |
| Type | SM 3800 |
| Class (Wh) | 0,2s & 0,5s |
| Elements | 3-phase |
| Wiring | 4-wire |
| Connection | Transformer connected |
| Technology | Static (electronic) |
| Frequency | 50 |
| Current | 1(10) |
| Voltage | 57/100 - 240/415 |
| Register | LCD |
| Standards | IEC 62053-22, -23 |