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| Feature | Details |
|---|---|
| Functions | Wireless phase/frequency/sequence comparison; Live-line voltage detection; Cabinet applications (ring main/switchgear); Ultra-low voltage capability (from 1V AC) |
| Battery | 3.7V rechargeable Li-ion (USB charging) |
| Runtime | ~10 hours continuous operation |
| Range | ≤200m line-of-sight |
| Display Mode | 3.5" TFT color LCD |
| Measurement | |
| - Voltage Range | AC 1V–550kV |
| - Phase Angle | 0.0°–360.0° (0.1° resolution) |
| - Frequency | 45Hz–75Hz (0.1Hz resolution) |
| Resolution | 0.1°; 0.1Hz |
| Accuracy | Phase angle: ≤±10° (23℃±5℃, under 80% RH); Frequency: ≤±2Hz (23℃±5℃, under 80% RH) |
| Phase Judgment | In-phase: -30°–30°; Out-of-phase: 90°–150° & 210°–270° |
| Voice Prompts | In-phase, Out-of-phase, X-signal normal, Y-signal normal (bilingual options available) |
| Insulating Rod | Extended: 3m (standard), 5m (optional); Collapsed: 0.7m |
| Data Logging | 9999 records |
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