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| Brand | YDWO |
|---|---|
| Origin | Shanghai, China |
| Model | WBL Series |
| Measurement Principle | Static Volumetric Nitrogen Physisorption at 77 K |
| Adsorption Gas | N₂ (default), He |
| P/P₀ Range | 1×10⁻⁶–0.998 |
| Surface Area Range | ≥0.0005 m²/g |
| Pore Size Analysis Range | 3.5–5000 Å |
| Pressure Sensor | Imported absolute pressure transducer, 0–133 kPa, ±0.12% FS |
| Temperature Sensors | PT-100, ±0.1 °C |
| Vacuum System | Imported dual-stage rotary vane pump, ultimate vacuum ≤1.0×10⁻⁴ Torr |
| Dewar Capacity | 2 L metal cryostat, >80 h hold time |
| Sample Stations | 1–3 independent analysis ports (model-dependent) |
| Data Output | BET, Langmuir, BJH, t-plot, D-A, H-K, NLDFT/GCMC pore size distributions, isotherms, total pore volume/surface area |
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