| 06 | 6 Input Elements 50A/50A/50A/50A/50A/50A |
| 15 | 6 Input Elements 5A/50A/50A/50A/50A/50A |
| 24 | 6 Input Elements 5A/5A/50A/50A/50A/50A |
| 33 | 6 Input Elements 5A/5A/5A/50A/50A/50A |
| 42 | 6 Input Elements 5A/5A/5A/5A/50A/50A |
| 51 | 6 Input Elements 5A/5A/5A/5A/5A/50A |
| 60 | 6 Input Elements 5A/5A/5A/5A/5A/5A |
| AUX | Auxiliary Sensor Inputs |
| B5 | Built-in printer |
| D | UL/CSA Standard Power Cord |
| DA | 20-channel DA Outputs |
| DT | Delta Calculation |
| EX6 | External current sensor input for WT1806 |
| F | VDE Standard Power Cord |
| FQ | Added Frequency Measurement |
| G5 | Harmonic Measurement |
| G6 | Simultaneous Dual Harmonic Measurement |
| H | GB Standard Power Cord |
| HC | Chinese menu |
| HE | English menu |
| HG | German menu |
| HS | High speed data capturing |
| MTR | Motor Evaluation Function |
| Q | BS Standard Power Cord |
| R | AS Standard Power Cord |
| V1 | RGB output |