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| Brand | All Precision Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | OEM Manufacturer |
| Instrument Type | GC Autosampler |
| Model | BKQ-20 |
| Sample Vial Capacity | 12 mL |
| Maximum Vial Count | 196 (14 × 14 array) |
| Positioning Accuracy | ±0.01 mm |
| Power Input | AC 220 V |
| Display | Blue TFT LCD |
| Dimensions (W × D × H) | 490 mm × 482 mm × 330 mm |
| GC Synchronization | Triggered via TTL/relay signal |
| Vacuum Reconditioning | Integrated for vial reuse |
| Communication Interfaces | RS-232, USB, optional Ethernet |
| Sample Injection Modes | Headspace, direct gas loop, split/splitless compatible |
| Key | Brand: All Precision Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Model | BEST-300C |
| Form Factor | Benchtop |
| Conductivity Range | 5 × 10⁻⁶ – 1 × 10⁸ mS/cm |
| TDS Range | 0–100 g/L |
| Resistivity Range | 1 × 10⁻⁸ – 2 × 10⁶ Ω·cm |
| Salinity Range | 0–100 ppt |
| Temperature Range | 0–40 °C |
| Accuracy | ±0.05% of reading |
| Minimum Resolution | 0.1 μΩ |
| Voltage Ranges | 2 mV / 20 mV / 200 mV / 2 V (±0.1% rdg, resolution down to 0.1 μV) |
| Current Output | 0–1000 mA DC, adjustable |
| ranges | 1 μA to 1000 mA (±0.2% rdg ±2 digits) |
| Display | 4.3-inch LCD with auto-unit conversion |
| Interface | Dual-language (English/Chinese), PC-compatible via optional software |
| Dimensions | 330 × 340 × 120 mm |
| Power | 220 V ±10%, 50/60 Hz |
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