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| Brand | Kechuang |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop Laboratory Gas Chromatograph |
| Application Domain | Food Safety & Agricultural Residue Testing |
| Oven Temperature Range | +5 °C to 400 °C |
| Maximum Ramp Rate | 40 °C/min |
| Cooling Time (from 400 °C to 50 °C) | ≤4 min |
| Carrier Gas Flow Range | 0–1000 mL/min |
| Carrier Gas Pressure Control Range | 0–100 psi |
| Injector Temperature Range | +5 °C to 400 °C |
| Injector Pressure Setting Range | 0–0.04 MPa |
| Total Injector Flow Setting Range | 0–1000 mL/min |
| Column Oven Dimensions | 280 × 280 × 180 mm |
| Weight | 56 kg |
| Power Consumption | 2000 W |
| Brand | Kechuang |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GC9800N/TFH |
| Detection Targets | Trace impurities in high-purity helium (Ne, O₂, N₂, H₂, CO₂, CH₄), hydrogen, nitrogen, and carbon dioxide |
| Detectors | TCD (TC-1H) + FID + Ni methanizer |
| Minimum Detectable Concentration | Ne: 0.18 ppb v/v, O₂: 0.09 ppb v/v, N₂: 0.08 ppb v/v |
| Temperature Range | 8 °C above ambient to 400 °C |
| Temperature Control Accuracy | ±0.5% |
| Programmable Temperature Ramping | 8-step, 0–39 °C/min (0.1 °C/min increment) |
| Baseline Noise | ≤0.01 mV |
| Baseline Drift | ≤0.1 mV/30 min |
| Linear Range | 10⁵ |
| Column Oven | Motorized auto-back-opening, near-ambient operation (≥8 °C above ambient) |
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