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| Product Name | QiWei WSB-3Y Whiteness Meter (Benchtop microcomputer fluorescent type) | YanTe XT-48BN whiteness Analyzer |
| Product Price | $501.00 | $1038.00 |
| Details | Details | |
| Model comparison | ||
| type | desktop | desktop |
| Whiteness | Blue light whiteness Fluorescence whiteness Background whiteness Fluorescent whitening amount Opacity | |
| Measuring range | 0~200 | |
| Sexual repeability | ≤0.2 | |
| Indication accuracy | 0.1 | |
| Measurement aperture | f21 ~ 30mm | f21 ~ 30mm |
| Parameter comparison | ||
| Measurement Range | 0~199.9 | |
| Whiteness formula | R457 Blue light whiteness, fluorescent whiteness, background whiteness, fluorescent whitening amount, Opacity | |
| test condition | d/0 | |
| Display mode | LCD liquid crystal display | |
| Measurement aperture | Φ30mm | |
| resolution | 0.1 | |
| Indication Error | ≤±1 | ≤0.5 |
| Zero drift | ≤±0.1 | ≤0.1 |
| Repeatability | ≤0.2 | ≤0.02 |
