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| Product Name | Pushen WSB Digital whiteness Meter | 3NH NR4520 whiteness Analyzer |
| Product Price | $654.00 | $800.00 |
| Details | Details | |
| Model comparison | ||
| type | desktop | handheld |
| Whiteness | Blue light whiteness | Fluorescent whitening amount |
| Measuring range | 0~100 | |
| Sexual repeability | ≤0.5 | |
| Indication accuracy | 0.1 | |
| Measurement aperture | ||
| Parameter comparison | ||
| Measurement Range | 0~100 | |
| Indication Error | ±2.5 | |
| repeatability error | ≤0.5 | |
| instrument Size | 240x270x340mm | |
| Net weight | 7kg | |
| power supply | 220V AC 50Hz | |
| Illuminant | 30W halogen tungsten lamp | LED Illuminant |
| Whiteness formula | WB=R457 | |
| Display accuracy | 0.1 | |
| Meet the standard | GB/T 5950、GB/T 2913、ISO 2470 | |
