The HZFA-IV is a new generation testing instrument designed specifically for the power industry. Utilizing high-performance DSP and ARM technology, it delivers superior automation, reliability, and testing efficiency for a wide range of CT and PT applications.

Advanced DSP/ARM architecture ensures accurate results for ratio and phase measurements.
Supports excitation, polarity, winding resistance, and secondary load analysis.
A high degree of automation significantly reduces manual testing time.
| Parameter | Specification |
|---|---|
| Testing Purpose | Protective CT, Protective PT |
| Output | 0~180Vrms, 12Arms, 36A (Peak) |
| Ratio Measurement | 1~40000 (Precision: ±0.2%) |
| Phase Accuracy | ±5min (Resolution: 0.5min) |
| Winding Resistance | 0~300Ω (Precision: 2%±2mΩ) |
| AC Load | 0~300VA (Precision: 2%±0.2VA) |
| Power Supply | AC220V±10%, 50Hz |
| Environment | -10°C~50°C, Humidity ≤90% |
| Dimensions | 340mm x 220mm x 330mm |
| Weight | <9kg |