Transformer Tester
- GDRZ-902 Transformer SFRA Sweep Frequency Response Analyzer
- GDZC-10A 10A Power Transformer DC Resistance Tester
- 2A 5A 10A 20A 40A Transformer Dc Winding Resistance Tester High Voltage Dc Tester
- GDZH Automatic Comprehensive Transformer Test System Transformer Test Bench
- Smart Portable Lightning Arrester Counter Calibration Instrument On‑site Lightning Protection Counter Tester
- GDB-IV Battery Charge Transformer Turns Ratio Tester Three Phase Transformer Excitation Current Tester
- GDB-P Three Phase Transformer Voltage Ratio Tester Turns Ratio TTR Meter
- 30kHz On-Load Tap Changer Tester Transformer On-load Tap-changer Test Set
- GDB-D Z Type Three Phase Transformer Turns Ratio Meter
- GD-2305/2306 5kV, 10kV High Voltage Insulation Resistance Meter, Megger Meter