GDB-IV Transformer Turns Ratio Tester is an automatic tester that measures transformation ratio of single phase and three phase transformers, which is suitable for using in power system, transformer manufacturer and railway electrical system. It is suitable to be used for power transformer, phase shifting rectifier transformer, Scott transformer, Inverse Scott transformer.
Power Supply | Lithium battery 10AH |
Turns Ratio Range | 1-5000 |
Group testing range | 0-11 |
Accuracy of turns ratio test | 1-500 Class 0.1 High voltage 500-2000 Class 0.2 High voltage 2000-5000 Class 0.5 High voltage 1-100 Class 0.2 Low voltage 100-500 Class 0.5 Low voltage |
Resolution of angle | 0.01° |
Accuracy of current measurement | 1% FS+2digits |
Ambient temperature | -20~40ºC |
Ambient humidity | ≤85% RH |