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| Product Name | YUEFENG 754 UV-Visible SpectroPhotometer | jinghua JH752 UV-Vis SpectroPhotometer |
| Product Price | $816.00 | $1138.00 |
| Details | Details | |
| Model comparison | ||
| Spectral Type | UV-Vis | UV-Vis |
| Optical Path | Single-Beam | Single-Beam |
| Dispersion | Grating | Grating |
| Detection | ||
| Light Source | Tungsten Deuterium | Tungsten Deuterium |
| Wavelength | 200-1000nm | 190-1100nm |
| Accuracy | ≤2nm | ≤1nm |
| Bandwidth | 2-4nm | 2-4nm |
| Detector | ||
| Stray Light | ≤0.1%T | |
| Parameter comparison | ||
| Optical inspection system | Aberration (1200L/mm Grating) | |
| Light spectrum Bandwidth | 4nm | 4nm |
| Wavelength Range | 195m~1000nm | |
| Wavelength Precision | ±2nm | ±1nm |
| Wavelength Repeatability | ≤1.0nm | 0.5nm |
| Photometric Range | 0~200.0%(T),0~1.999(A) | |
| Photometric Precision | ±0.5%(T) | |
| Luminosity Repeatability | ≤0.2%(T) | |
| stray light | ≤0.3%(220nm，360nm) | ≤0.1%T |
| Operating Mode | Absorption, concentration factor, direct reading of concentration | |
| printout | serial port | |
| analysis software | optional | |
| Illuminant | Deuterium lamp, tungsten halogen lamp | |
| Concentration Range | 0~1999 | |
| drift | ≤0.002A/h@500nm | |
