YDWG (Shanghai Physical Optics)
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| Brand | YDWG (Shanghai Physical Optics) |
|---|---|
| Origin | Shanghai, China |
| Model | SGW®X-4 |
| Temperature Range | Ambient to 360 °C |
| Heating Rate | Adjustable, up to 320 °C |
| Temperature Repeatability | ±1 °C (<200 °C), ±2 °C (≥200 °C) |
| Temperature Accuracy | ≤±1 °C (<200 °C) |
| Capillary Tube Length | 90 mm |
| Sample Capacity | 1 sample |
| Temperature Resolution | 1 °C |
| Display | LED digital readout (0.1 °C minimum increment) |
| Power Supply | 220 VAC, 50 Hz |
| Power Consumption | 80 W |
| Optical Configuration | Binocular stereomicroscope with 45° inclined dual eyetubes, adjustable interpupillary distance and right-eye diopter compensation |
| Total Magnification | 40× (4× objective + 10× eyepiece) |
| Working Distance | Optimized for thermal stage integration |
| Brand | YDWG (Shanghai Physical Optics) |
|---|---|
| Origin | Shanghai, China |
| Model | WZB-F(S1) |
| Type | Handheld Refractometer |
| Temperature Control | Yes |
| Digital Display | Yes |
| Operating Temperature Range | 0–40 °C (30–104 °F) |
| Temperature Accuracy | ±0.5 °C (±1 °F) |
| Temperature Compensation Range | 5–40 °C (41–104 °F) |
| Sample Volume | 0.3 mL |
| Dimensions | 145 × 67 × 38 mm |
| Net Weight | 185 g |
| Brand | YDWG (Shanghai Physical Optics) |
|---|---|
| Origin | Shanghai, China |
| Product Type | Handheld Refractometer |
| Temperature Compensation | Yes |
| Digital Display | Yes |
| Measurement Range | 0–35% Brix / RI 1.3330–1.3900 |
| Accuracy | ±0.2% Brix / ±0.0003 RI |
| Power Supply | 2 × AAA batteries |
| Dimensions | 140 mm × 65 mm × 40 mm |
| Net Weight | 172 g |
| Auto-Off Function | Yes |
| Battery Low Indicator | Yes |
| Temperature Unit Toggle | °C / °F |
| Rated Cycles | >10,000 measurements |