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| Product Name | QiWei WSB-3 Whiteness Meter (Benchtop microcomputer) | Pushen WSB Digital whiteness Meter |
| Product Price | $361.00 | $654.00 |
| Details | Details | |
| Model comparison | ||
| type | desktop | desktop |
| Whiteness | Blue light whiteness Opacity | Blue light whiteness |
| Measuring range | 0~200 | 0~100 |
| Sexual repeability | ≤0.2 | ≤0.5 |
| Indication accuracy | Miscellaneous | 0.1 |
| Measurement aperture | f21 ~ 30mm | |
| Parameter comparison | ||
| Measurement Range | 0~199.9 | 0~100 |
| Whiteness formula | R457 Blu-ray whiteness, Opacity | WB=R457 |
| test condition | d/0 | |
| Display mode | LCD liquid crystal display | |
| Measurement aperture | Φ30mm | |
| resolution | 0.1 | |
| Indication Error | ≤±1 | ±2.5 |
| Zero drift | ≤±0.1 | |
| Repeatability | ≤0.2 | |
