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| Brand | Jihengpin |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | HP-WSB-2Y |
| Price | Upon Request |
| Measurement Range | 0–199 |
| Measured Parameters | Blue Light Whiteness (r₄₅₇), Fluorescent Whitening Value (F) |
| Light Source | LED |
| Illumination/Viewing Geometry | 45/0 (compliant with GB/T 3978) |
| Display | LCD |
| Minimum Resolution | 0.1 |
| Repeatability | ≤0.2 |
| Accuracy | ±1.0 |
| Operating Temperature | 5–35 °C |
| Operating Humidity | ≤85% RH |
| Storage/Transport Conditions | –20–50 °C, ≤90% RH |
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