Zhonghangdingli
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| Brand | Zhonghangdingli |
|---|---|
| Origin | Beijing, China |
| Model | QS87 |
| Capacitance Range | 0.1Cₙ to 1000Cₙ (7-digit resolution) |
| tanδ Range | −110% to +110% |
| tanδ Accuracy | ≤ 0.2% rdg ± 1×10⁻⁵ |
| tanδ Resolution | 1×10⁻⁶ (1×10⁻⁷ with PC interface) |
| Test Voltage | 0–1000 kV (±1%, 4-digit display) |
| Frequency Range | 35–65 Hz (±1 Hz, 4-digit display) |
| Optional capacitance range extender extends ratio from 1000 | 1 to 10⁶:1 |