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| Category | Specification |
|---|---|
| Input Power (Control Box) | AC 220V ±10%, 50Hz ±1 |
| Display | 7" TFT color touchscreen with Chinese interface |
| Control Box Output | 0–250 V / 0–25 A |
| Timer Range | 0–999 hours |
| Leakage Current Range | ≥30.0 mA (adjustable) |
| Leakage Current Resolution | 0.01 mA |
| Leakage Current Accuracy | ±(0.5% reading + 2 digits) |
| Current Measurement Error | <±(0.2% I + 0.02% Imax) |
| Auto Trip Response Time | 0.01 s |
| Simultaneous Test Channels | 8 |
| Wireless Transmission | ≥10 m, DC 12V powered |
| Test Methods | - Boots: dry test with steel beads - Gloves: wet test with water |
| Test Transformer Rating | 5 kVA |
| Transformer Output | AC 0–50 kV |
| Transformer Input | 0–250 V / 0–20 A |
| Voltage Accuracy | ≤±(0.2% U + 0.02% F.S.) |
| Current Accuracy | ≤±(0.2% I + 0.02% F.S.) |
| Turns Ratio Range | 1:1 to 1000:1 (user-settable) |
| Impedance Voltage | 5–7% |
| Output Waveform | Sine wave, THD ≤3% |
| Ratio Error | <±1% |
| Full-Load Operation Time | ≥1–2 hours (ΔT ≤50°C) |
| No-Load Loss | 0.2%–0.4% |