GDB-IV Three Phase Transformer Turns Ratio Tester
● 7inch touch screen, full menu.
●?True three-phase simultaneous measurement, testing time for one group data is 10s.
●?2voltages output, which enhance the adaptation of different voltage grade transformer.
●?With function of low voltage coil turns ratio measurement, which can measure the current ratio of CT/PT.
●?Tap changer ratio of current position can be determined automatically when measuring.
●?With internal battery, convenient for onsite testing.
● With over-current, over-voltage protection function, over-heat function, reverse connection protection function.
●?Data can be transferred to PC and saved by EXCEL file.
● Voltage ratio test range: 1-10000
● Group test range: 0-11
● Voltage ratio test accuracy
|
1-500 |
Class 0.1 |
High voltage |
|
500-2000 |
Class 0.2 |
High voltage |
|
2000-10000 |
Class 0.5 |
High voltage |
|
1-100 |
Class 0.2 |
Low voltage(11V) |
|
100-500 |
Class 0.5 |
Low voltage(11V) |
● Voltage ratio resolution: 0.0001
● Angle accuracy: 0.1°
● Angle resolution: 0.01°
● Accuracy of current measurement: 1% FS+2digits
● Power Input: Lithium battery 12V 10Ah
● Dimension: 387*175*379mm
● Weight: 9kg
● Operating temperature: -20℃-40℃
● Relative moisture: ≤85%, no condensation
| GDB-IV Tester | 1 piece |
| Carrying Bag?? | 1 piece |
| Charger | 1 piece |
| HV Test Lead(4-core, red sheath) | 1 piece |
| LV Test Lead(4-core, black sheath) | 1 piece |
| USB disk | 1 piece |
| Ground cable | 1 piece |
| Print paper | 2 rolls |
| User's guide | 1 copy |
| Factory test report | 1 copy |
