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| Product Name | YUEFENG 754N UV-Visible SpectroPhotometer | jinghua JH752 UV-Vis SpectroPhotometer |
| Product Price | $837.00 | $1124.00 |
| Details | Details | |
| Model comparison | ||
| type | UV Visible | UV Visible |
| Type of light beam | Single beam of light | Single beam of light |
| light source | Tungsten lamp deuterium lamp | deuterium lamp |
| Light spectrum bandwidth | 4.x nm | 4.x nm |
| Detector | ||
| Accessories | ||
| Parameter comparison | ||
| Optical inspection system | Aberration (1200L/mm Grating) | |
| Light spectrum Bandwidth | 4nm | 4nm |
| Wavelength Range | 195m~1100nm | |
| Wavelength Precision | ±1.0nm | ±1nm |
| Wavelength Repeatability | ≤0.5nm | 0.5nm |
| Photometric Range | 0~200%T，-0.301~3.000A，0~9999C | |
| Photometric Precision | ±0.002A（0~0.5A）；±0.003A（0.5~1A）；±0.5%T（0~100%T） | |
| Luminosity Repeatability | ≤0.001A（0~0.5A）；≤0.002A（0.5~1A）；≤±0.2%T（0~100%T） | |
| stray light | ≤0.1%T(220nm，360nm) | ≤0.1%T |
| Noise level | 100%≤0.15%T；0%≤0.01%T | |
| Baseline flatness | ±0.002A | ±0.002A |
| printout | Parallel entrance | |
| Illuminant | Deuterium lamp, tungsten halogen lamp | |
| Concentration Range | 0~1999 | |
| drift | ≤0.001A/h@500nm | |
| scanning speed | Fast, medium, slow. | |
| display | High-quality 128x64-bit graphics LCD screen | Large screen color Chinese and English touch display |
