Transformer Tester
- GDGS Automatic Transformer IPF Insulation Power Factor Tester, Transformer Tan Delta Tester
- GDBC-901 Single Phase and Three Phase Transformer Turns Ratio TTR Tester
- GDZC Series Transformer Winding DC Resistance Tester, Mirco Ohmmeter
- GDRZ-902 Transformer SFRA Sweep Frequency Response Analyzer, IEC60076-18 Transformer Winding Deformation Tester
- GDGS Anti Interference Transformer Capacitance and Dissipation Factor Test Set
- GDZC-20S Three Channel 20A Transformer Winding Resistance Tester
- Three Phase Transformer Turns Ratio Test Set
- GDRZ-903 Transformer Sweep Frequency Response Analyzer (SFRA and Low-voltage Short-circuit Impedance)
- GDBR-P Transformer On-Load and No-Load Tester, Transformer Capacity Tester
- GDZC-10A Transformer Winding Resistance Meter Micro Ohmmeter for Transformer (with Lithium Battery)