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| Product Name | AMITTARI AWM-216 Whiteness Meter | JingKeLian WSB-2Y Digital whiteness Meter |
| Product Price | $385.00 | $432.00 |
| Details | Details | |
| Model comparison | ||
| type | handheld | desktop |
| Whiteness | Blue light whiteness | Blue light whiteness Fluorescent whitening amount |
| Measuring range | 0~200 | 0~200 |
| Sexual repeability | ≤0.1 | ≤0.3 |
| Indication accuracy | 0.1 | 0.1 |
| Measurement aperture | f11 ~ 20mm | f21 ~ 30mm |
| Parameter comparison | ||
| Measurement Range | 0~120 | 0~199 |
| resolution | 0.1 | 0.1 |
| test condition | 45/0 | Comply with GB/T3978 regulations 45/0 |
| Illuminant | LED 457 nm Illuminant | LED Illuminant |
| Whiteness formula | Blue light whiteness WB = R457 | Blue light whiteness WB = R457, fluorescent whiteness F |
| Zero drift | ≤0.1 | ≤0.2/10min |
| Indication Stability | ≤0.5 | |
| Measurement Repeatability | ≤0.1 | ≤0.3 |
| operating conditions | Temperature: 0~ 40℃; Humidity: < 85% RH | |
| power supply | 3.7V lithium battery | |
| Size | 140x45x75mm | |
| weight | 305 g (with battery) | |
