| No. | Item Name | TTR-I Transformer Turns Ratio Tester |
| 1 | Ratio measurement range | 1-10000 |
| 2 | Group measurement | 1-12 |
| 3 | Phase measurement error | 1 degree |
| 4 | Ratio measurement error | 1-2000 ± 0.2%RDG 2000-10000 ± 0.5%RDG |
| 5 | Test voltage | AC 0~80V continuously, frequency 50Hz |
| 6 | Power supply | AC220V ± 10%, 50Hz/60Hz |
| 7 | Environment temperature | 0-50°C |
| 8 | Humidity | ≤85%RH |
| 9 | Size | 400mm*350mm*200 mm |
| 10 | Weight | 7kg |
| 11 | Length of test cables | 8 meters |


