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| Brand | All Precision Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | BES |
| Price | USD 1,700 (approx.) |
| Resistance Range | 1 × 10⁴ Ω to 1 × 10¹⁸ Ω |
| Current Range | 2 × 10⁻⁴ A to 1 × 10⁻¹⁶ A |
| Test Voltages | 10 V, 50 V, 100 V, 250 V, 500 V, 1000 V (selectable) |
| Basic Accuracy | ±1% |
| Display | 32-bit LED LCD (simultaneous resistance and current readout) |
| Operating Environment | 0–40 °C, <80% RH |
| Power Supply | AC 220 V, 50 Hz, ~5 W |
| Dimensions | 285 mm × 245 mm × 120 mm |
| Weight | ~2.5 kg |
| Standard Electrodes | Solid disc electrode (Ø100 mm), concentric ring electrode (OD 75 mm / ID 55 ± 0.2 mm), cylindrical electrode (Ø50 mm), point-to-point probe set |
| Shielding Enclosure | 200 mm × 200 mm × 90 mm (internal height 50 mm) |
| Brand | North Guang Precision Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic (China-made) |
| Model | BEST-121 |
| Price | USD 2,800 (approx.) |
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