Power Measurement Ltd.
Tested energy meters of this manufacturer are listed below
| WO No | 2078649 |
| QUA/CAL | |
| Report No | 05-1073A |
| Country | Canada |
| Type | ION 7550 and ION 7650 |
| Class (Wh) | 0,2s |
| Elements | 3-phase |
| Wiring | 4-wire |
| Connection | Transformer connected |
| Technology | Static (electronic) |
| Frequency | 50 or 60 |
| Current | 1(10) or 5(20) |
| Voltage | 57/100 - 275/476 |
| Register | LCD |
| Standards | IEC 62053-22, -23 |