YDWO (Yidian Woguang)
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| Brand | YDWO (Yidian Woguang) |
|---|---|
| Model | WBL Series |
| Measurement Principle | Static Volumetric Nitrogen Physisorption at 77 K |
| Adsorption Gas | High-Purity N₂ (99.999%), optional He |
| P/P₀ Range | 1×10⁻⁶ to 0.998 |
| Surface Area Range | ≥0.0005 m²/g (no upper limit) |
| Pore Size Analysis Range | 0.35–500 nm (3.5–5000 Å) |
| Pressure Sensors | 3–6 × high-accuracy absolute transducers (0–133 kPa, ±0.12% FS) |
| Temperature Sensor | PT-100 (±0.1 °C) |
| Cryostat | 2 L metal Dewar, >80 h hold time |
| Ultimate Vacuum | ≤1.0×10⁻⁴ Torr |
| Vacuum Pump | Imported dual-stage rotary vane pump |
| Sample Capacity | 1–3 stations (model-dependent) |
| Compliance | ISO 9277, ISO 15901, GB/T 119587 |
| Software | Integrated analysis suite for BET, Langmuir, BJH, t-plot, D-A, H-K, NLDFT, GCMC, and true density calculation |
| Output | Printable reports & Excel export (isotherms, surface area, pore volume/area distribution, cumulative metrics) |
| Brand | YDWO (Yidian Woguang) |
|---|---|
| Origin | Shanghai, China |
| Model | WYA |
| Type | Benchtop Abbe Refractometer |
| Display | Digital temperature readout & optical scale reading |
| Measurement Range (nD) | 1.3000–1.7000 |
| Brix Range | 0–95% |
| Accuracy (nD) | ±0.0002 (estimated reading) |
| Mean Dispersion Indication | ±0.0005 |
| Temperature Display | Digital thermometer |
| Viewing Method | Monocular |
| Dimensions | 130 mm × 90 mm × 240 mm |
| Net Weight | 2 kg |
| Construction | Stainless steel base, hardened optical glass prisms |
| Thermal Integration | Integrated flow cell compatible with external thermostatic water bath |
| Brand | YDWO (Yidian Woguang) |
|---|---|
| Origin | Shanghai, China |
| Model | WYA-3S |
| Type | Benchtop Abbe Refractometer |
| Display | Color LCD Touchscreen |
| Measurement Range (nD) | 1.30000–1.72000 |
| Measurement Range (Brix) | 0–100% |
| Resolution (nD) | 0.00001 |
| Resolution (Brix) | 0.01% |
| Accuracy (nD) | ±0.0002 |
| Accuracy (Brix) | ±0.1% |
| Temperature Display Range | −20–120 °C |
| Data Storage Capacity | 500 sets |
| Interface | RS232 & USB |
| Power Supply | 220 V ±22 V, 50 Hz ±1 Hz, 30 W |
| Dimensions | 290 × 180 × 390 mm |
| Net Weight | 10 kg |
| Compliance | GB/T 12143–2008, GB/T 18963–2012, GB/T 21730–2008 |
| Brand | YDWO (Yidian Woguang) |
|---|---|
| Origin | Shanghai, China |
| Model | WZB45 |
| Type | Handheld Refractometer |
| Temperature Compensation | Yes |
| Digital Display | Yes |
| Measurement Range | 0–45% Brix / 1.3330–1.4098 RI |
| Accuracy | ±0.2% Brix / ±0.0003 RI |