Yidian Woguang (YDWG)
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| Brand | Yidian Woguang (YDWG) |
|---|---|
| Origin | Shanghai, China |
| Model | SGW®-731 |
| Type | Benchtop Refractometer |
| Measurement Range | nD 1.30000–1.70000 |
| Brix | 0–100% |
| Resolution | nD 0.00001 / Brix 0.01% |
| Accuracy | nD ±0.0002 / Brix ±0.1% |
| Precision | nD ±0.00001 / Brix ±0.01% |
| Display | 7-inch color TFT touchscreen |
| Data Storage | 1000 measurements |
| Interface | RS232, USB, USB flash drive support |
| Power | 220 V ±22 V, 50 Hz ±1 Hz, 30 W |
| Dimensions | 345 × 245 × 165 mm |
| Weight | 4 kg |
| Prism Material | High-hardness optical glass |
| Light Source | Long-life LED (≥100,000 h) |
| Sample Volume | ≥0.5 mL |
| Compliance | GB/T 12143–2008, GB/T 18963–2012, GB/T 21730–2008 |
| Brand | Yidian Woguang (YDWG) |
|---|---|
| Origin | Shanghai, China |
| Model | WJL-708 |
| Dispersion Method | Dry Dispersion |
| Instrument Type | Laboratory Particle Image Analyzer |
| Measurement Range | 0.1–3000 µm |
| Maximum Magnification | 8000× |
| Spatial Resolution | 0.1 µm/pixel |
| Repeatability | ≤ ±1% |
| Automatic Segmentation Speed | ≤ 1 s per image |
| CCD Camera | 5 MP |
| Data Storage | Integrated 128 GB SSD + 15″ Display |
| Interface | USB / Ethernet / Wi-Fi |
| Power Supply | AC 220 V ±10%, 50 Hz, 200 W |
| Dimensions | 625 × 420 × 435 mm |
| Net Weight | 25 kg |
| Brand | Yidian Woguang (YDWG) |
|---|---|
| Origin | Shanghai, China |
| Model | WRS-3A |
| Temperature Range | Ambient to 320 °C |
| Heating Rates | 0.2, 1.0, 1.5, 3.0 °C/min |
| Temperature Repeatability | ±0.3 °C at 1.0 °C/min |
| Temperature Accuracy | ±0.5 °C ≤200 °C |
| Capillary Dimensions | OD 1.4 mm, ID 1.0 mm, Length 90 mm |
| Sample Capacity | 3 samples per run |
| Temperature Resolution | 0.1 °C |
| Display | 5.6-inch color TFT touchscreen |
| Data Storage | 100 measurement records |
| Interface | USB, RS232, USB flash drive support |
| Power Supply | 220 V ±10 %, 50 Hz ±1 Hz, 180 W |
| Brand | Yidian Woguang (YDWG) |
|---|---|
| Origin | Shanghai, China |
| Model | WSB-2 |
| Measurement Modes | R457 Blue-light Whiteness, Fluorescent Whiteness, Opacity |
| Illumination Geometry | 45/0 and d/0 compliant |
| Spectral Peak | 457 nm ± 2 nm, FWHM: 45 nm |
| Detector | Silicon Photodiode |
| Aperture | 30 mm |
| Range | 0–150 whiteness units |
| Resolution | 0.01 unit |
| Accuracy | ≤ ±1.0 unit |
| Repeatability | ≤ ±0.2 unit |
| Drift Stability | ≤ ±0.1 unit over 30 min |
| Display | 7-inch color capacitive touchscreen |
| Data Storage | 200 test records |
| Interface | USB host for U-disk export |
| Power | 100–240 V AC, 50/60 Hz, 40 W |
| Dimensions | 360 × 228 × 312 mm |
| Net Weight | 4.8 kg |
| Brand | Yidian Woguang (YDWG) |
|---|---|
| Origin | Shanghai, China |
| Product Type | Handheld Refractometer |
| Display | Digital |
| Temperature Control | None |
| Measurement Ranges | Brix (0–92%), Honey (35–92% Brix, 38–43°Bé, 12–27% water), Salinity (0–100‰, 0–40 ppt, 1.000–1.070 specific gravity) |
| Accuracy | ±0.10% to ±0.50% Brix (model-dependent) |
| Minimum Scale Division | 0.10–0.50% Brix / 0.5°Bé / 1‰ / 0.005 SG |
| Dimensions | 155 × 25 × 40 mm |
| Net Weight | 160 g |
| Brand | Yidian Woguang (YDWG) |
|---|---|
| Origin | Shanghai, China |
| Model | WZZ-2B |
| Product Type | Automatic Polarimeter |
| Temperature Control | None |
| Digital Display | Yes |
| Light Source | LED with Interference Filter |
| Wavelength | 589 nm (Sodium D-line) |
| Measurement Range | ±45° (optical rotation) |
| Minimum Resolution | 0.002° |
| Accuracy | ±0.02° (for –15° to +15°), ±0.05° (outside that range) |
| Repeatability (σ) | ≤0.01° |
| Sample Transmittance Requirement | ≥10% |
| Standard Cells | 100 mm and 200 mm path length |
| Interface | RS232 |
| Power Supply | 220 V ±22 V, 50 Hz ±1 Hz, 150 W |
| Dimensions | 605 × 370 × 260 mm |
| Net Weight | 21 kg |
| Accuracy Class | 0.05 |
| Brand | Yidian Woguang (YDWG) |
|---|---|
| Origin | Shanghai, China |
| Model | WZZ-3 |
| Product Type | Automatic Polarimeter |
| Temperature Control | Not temperature-controlled |
| Display | Digital LCD touchscreen |
| Light Source | LED with 589 nm interference filter (sodium D-line equivalent) |
| Measurement Range | ±45° (optical rotation), ±120°Z (saccharimetric scale) |
| Minimum Resolution | 0.001° (optical rotation), 0.001°Z |
| Accuracy | ±(0.01 + 0.05% of reading)° (optical rotation) |
| Repeatability (std. dev. δ) | ≤0.003° |
| Sample Transmittance Requirement | ≥10% |
| Interface | USB & RS232 |
| Power Supply | 220 V ±10%, 50 Hz ±1 Hz, 150 W |
| Dimensions (L×W×H) | 605 × 370 × 260 mm |
| Net Weight | 21 kg |
| Accuracy Class | 0.05 |