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| Brand | Annuo |
|---|---|
| Origin | Henan, China |
| Model | SC-4223 |
| Instrument Type | Automated Quantitative Gas Preconcentrator |
| Cold Trap Temperature Range | −30 °C to 300 °C (at 25 °C ambient) |
| Valve & Transfer Line Temperature Range | Ambient to 160 °C |
| Cooling Method | Peltier Thermoelectric |
| Sample Volume | 1–2000 mL |
| Maximum Concentration Ratio | 2000:1 |
| Precision | RSD ≤ 3% |
| Power Supply | AC 220 V, 50 Hz |
| Dimensions | 550 × 260 × 427 mm |
| Weight | ~20 kg |
| Interface Options | RS-232, Ethernet |
| GC Trigger Modes | Time-based or GC reverse control |
| Analysis Time Range | 0.1–999 min |
| Max Power Consumption | 1000 W |
| Brand | Annuo |
|---|---|
| Origin | Henan, China |
| Model | FAS-3823 |
| Sample Vial Capacity | 10 mL, 20 mL (standard) |
| Sample Positions | 70 positions (expandable to 140) |
| Extraction Temperature Range | Ambient to 150 °C (±0.5 °C control accuracy) |
| Stirring Speed | 0–3000 rpm |
| Brand | Annuo |
|---|---|
| Origin | Henan, China |
| Model | SC-4224 |
| Instrument Type | Automated Quantitative Gas Preconcentrator |
| Temperature Range (Valve & Tubing) | +5°C to 160°C |
| Cold Trap Temperature Range | −50°C to 300°C |
| Sample Volume Capacity | 1–2000 mL |
| Concentration Ratio | Up to 2000:1 |
| Temperature Control Accuracy | RSD ≤3% |
| Reproducibility | RSD ≤3% |
| Sample Introduction | Vacuum Pressure Sampling with MFC Flow Control |
| Cooling Method | Compressor-based |
| Dimensions (W×D×H) | 550 × 260 × 427 mm |
| Power Supply | AC 220 V, 50 Hz |
| Max Power Consumption | 1000 W |
| Weight | ~40 kg |
| Compliance | GB/T 14678–1993 |
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