| Parameter | Specification |
|---|---|
| Model | HY Three-Phase Short-Circuit Impedance Tester |
| Test Type | Three-Phase |
| Voltage Range | 15–500 V |
| Voltage Accuracy | ±(0.2% of reading + 3 digits) |
| Current Range | 0.5–20 A |
| Current Accuracy | ±(0.2% of reading + 3 digits) |
| Power Factor | COSφ > 0.15 |
| Power Factor Accuracy | ±(0.5% of reading + 3 digits) |
| Frequency Range | 45–55 Hz |
| Frequency Accuracy | ±0.1% |
| Short-Circuit Impedance Range | 0–100% |
| Impedance Accuracy | ±0.5% |
| Display | 4-Digit Digital Display |
| Operating Temperature | −10°C to +40°C |
| Relative Humidity | ≤85% RH |
| Power Supply | AC 220 V ±10%, 50 ±1 Hz |
| Main Unit Dimensions | 360 × 290 × 170 mm |
| Weight | Main Unit: 4.9 kg; Carrying Case: 5.2 kg |
| Test Cable Length | Standard 8 m; customizable |
The HY Three-Phase Transformer Short-Circuit Impedance Tester is widely used for:
