The HZFA-VII Transformer Comprehensive Tester is a new generation of innovative CT and VT testing instrument. It features comprehensive functions for excitation characteristics, transformation ratio, polarity, secondary winding resistance, secondary load, ratio difference, and phase difference of various CTs and VTs.
Uses low-frequency testing principles for precision.
Fully supports automatic parameter calculation per GB/IEC standards.
Lightweight construction (less than 9kg) for field operations.
Suitable for both protective CT and protective VT applications.
