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| Product Name | YUEFENG UV759 UV-Visible SpectroPhotometer | YUEFENG UV759(PC) UV Spectrophotometer |
| Product Price | $1300.00 | $1397.00 |
| Details | Details | |
| Model comparison | ||
| Spectral Type | UV-Vis | UV-Vis |
| Optical Path | Single-Beam | Single-Beam |
| Dispersion | Grating | Grating |
| Detection | Scanning | Scanning |
| Light Source | Tungsten Deuterium | Tungsten Deuterium |
| Wavelength | 190-1100nm | 190-1100nm |
| Accuracy | ≤0.5nm | ≤0.5nm |
| Bandwidth | ≤2nm | ≤2nm |
| Detector | ||
| Stray Light | ≤0.05%T | ≤0.05%T |
| Parameter comparison | ||
| Optical inspection system | Aberration (1200L/mm Grating) | Aberration (1200L/mm Grating) |
| Light spectrum Bandwidth | 1.8nm | 1.8nm |
| Wavelength Range | 190m~1100nm | 190m~1100nm |
| Wavelength Precision | ±0.3nm | ±0.3nm |
| Wavelength Repeatability | ≤0.2nm | ≤0.2nm |
| Photometric Range | 0~200%T,-0.301~3.000(A),0~9999C | 0~200%T,-0.301~3.000(A),0~9999C |
| Photometric Precision | ±0.002A(0~0.5A);±0.003A(0.5~1A);±0.3%T(0~100%T) | ±0.002A(0~0.5A);±0.003A(0.5~1A);±0.3%T(0~100%T) |
| Luminosity Repeatability | ≤0.001A(0~0.5A);≤0.002A(0.5~1A);≤0.15%T(0~100%T) | ≤0.001A(0~0.5A);≤0.002A(0.5~1A);≤0.15%T(0~100%T) |
| stray light | ≤0.05%T@220nm,360nm | ≤0.05%T@220nm,360nm |
| Noise level | 100%≤0.15%T；0%≤0.1%T | 100%≤0.15%T；0%≤0.1%T |
| Baseline flatness | ±0.002A | ±0.002A |
| drift | ≤0.001A/h@500nm | ≤0.001A/h@500nm |
| scanning speed | Fast, medium, slow. | Fast, medium, slow. |
| Concentration Range | 0~1999 | 0~1999 |
| Illuminant | Deuterium lamp, tungsten halogen lamp | Deuterium lamp, tungsten halogen lamp |
| display | High-quality 128x64-bit graphics LCD screen | High-quality 128x64-bit graphics LCD screen |
| printout | Parallel entrance | Parallel entrance |
| Dimension | 450L*340(W)*180(W)mm | 450L*340(W)*180(W)mm |
| weight | 13kg | 13kg |
