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| Parameter | Specification |
|---|---|
| Operating Power | AC 220V ±15%, 50 Hz, ≤72 W |
| Test System Voltages | AC 220V / AC 380V / DC 110V / DC 220V |
| Voltage Measurement Accuracy | ±0.2% F.S. |
| Current Measurement Accuracy | ±0.5% F.S. |
| Short-Circuit Current Estimation Accuracy | <5% F.S. |
| Estimated Current Range | 0 – 8000 A |
| Actual Short-Circuit Test Range | ≤5000 A |
| Max Delay Protection Time | ≤1000 ms |
| Delay Adjustment Range | 5% – 100% of set time |
| Waveform Recording | Half-cycle pre-fault + half-cycle post-fault |
| Recording Resolution | 24-bit |
| Data Storage Capacity | ≥120 MB (stores ≥3000 test records) |
| Short-Circuit Test Modes | Phase-Phase, Phase-Neutral, DC |
| Dimensions (W×H×D) | 492 mm × 210 mm × 490 mm |
| Weight | 20 kg |