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| Brand | Beijing North Guang Precision Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | BEST-911 |
| Price | USD 3,500 (FOB Beijing) |
| Measurement Range | 10⁻⁹ Ω·m to 10¹¹ Ω·m |
| Accuracy | ±1% to ±5% |
| Electrometer Input Resistance | ≥10¹⁴ Ω |
| Electrometer Voltage Range | ±100 mV to ±200 V |
| Picoammeter Sensitivity | 1 fA (1×10⁻¹⁵ A) |
| Adjustable DC Voltage Source Accuracy | ±1% |
| Electrode Configuration | Standard Four-Electrode Fixture Included |
| Current Electrode Spacing | 100 mm |
| Potential Electrode Spacing | 20 mm |
| Insulating Base Resistivity | ≥10¹⁴ Ω·m |
| Applied Test Pressure | 3.25 N |
| Net Weight | 331 g |
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