 |
 |
|
| Product Name | LANDTEK WM-206 Whiteness Meter | JingKeLian WSB-2Y Digital whiteness Meter |
| Product Price | $354.00 | $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 |
| Measurement aperture | 18X11mm rectangle | Φ30mm |
| Zero drift | ≤0.1 | ≤0.2/10min |
| Indication Stability | ≤0.5 | |
| Measurement Repeatability | ≤0.1 | ≤0.3 |
| Operating conditions - temperature | 0~40℃ | |
| Operating Conditions - Humidity | <85 %RH | |
| power supply | 3.7V lithium battery | |
| Size - Host | 140x45x75mm | |
| weight | 305G (including battery) | |
