The HZFA-E transformer calibrator is a high-precision instrument designed to verify the technical performance of voltage and current transformers in both laboratory and on-site environments. It ensures full compliance with JJG314-2010 standards through advanced intelligent measurement.

| Parameter | Value |
|---|---|
| Temperature | 5°C – 40°C |
| Relative Humidity | <80% (at 25°C) |
| Altitude | <2500m |
| Power Frequency | 50Hz ± 0.5Hz |
| Power Voltage | 220V ± 5V |
| In-phase Component Range | 0.0001 to 200.0 |
| Orthogonal Components Range | 0.001 – 700.0 |
| Impedance Range | 0.0001 to 20.0 |
| Admittance Range | 0.0001 to 20.0 |
| Harmonic Suppression Ratio | > 40db |