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| Product Name | QiWei WSB-2Y Whiteness Meter (Benchtop) | Pushen WSB Digital whiteness Meter |
| Product Price | $417.00 | $654.00 |
| Details | Details | |
| Model comparison | ||
| type | desktop | desktop |
| Whiteness | Blue light whiteness Fluorescent whitening amount | Blue light whiteness |
| Measuring range | 0~200 | 0~100 |
| Sexual repeability | ≤0.3 | ≤0.5 |
| Indication accuracy | 0.1 | 0.1 |
| Measurement aperture | f21 ~ 30mm | |
| Parameter comparison | ||
| name | Benchtop fluorescent whiteness meter | |
| Measurement Range | 0~199.9 | 0~100 |
| Whiteness formula | R457 Blue light whiteness, fluorescent whiteness F | WB=R457 |
| Illuminant | LED Illuminant | 30W halogen tungsten lamp |
| test condition | 45/0 | |
| Display mode | LCD liquid crystal display | |
| Measurement aperture | Φ30mm | |
| resolution | 0.1 | |
| Zero drift | ≤0.2/10min | |
| Indication drift | ≤0.3/3min | |
| Repeatability | ≤0.3 | |
| Operating temperature | 5~35℃ | |
| relative humidity | ≤85%RH | |
| Power supply | AC 220V/50Hz | |
| Encasement | carton | |
| Net weight | 6.5kg | 7kg |
