INESA Physical Optics (YDWG)
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| Brand | INESA Physical Optics (YDWG) |
|---|---|
| Origin | Shanghai, China |
| Model | WZZ-3 |
| Product Type | Automatic Polarimeter |
| Temperature Control | Yes (thermostatically regulated sample chamber) |
| Digital Display | Backlit LCD |
| Light Source | Sodium D-line lamp (589.44 nm) |
| Optical Rotation Range | ±45° |
| Sugar Scale Range | ±120°Z |
| Minimum Resolution | 0.001° |
| Accuracy | ±(0.01° + 0.05% of reading) for optical rotation |
| Repeatability | ≤0.003° (optical rotation) |
| Minimum Sample Transmittance | 10% |
| Compliance Class | Grade 0.05 polarimeter per JJG 536–2015 (Chinese National Verification Regulation for Polarimeters) |