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Double Beam UV-Vis Spectrophotometer LUS-B12 is a compact, tabletop unit designed with double beam monochromator, comprising automatic calibration and silicon photocell sensor. Features fixed 2 trench sample holder with 4 quartz and 4 glass cuvettes and 190 to 1100 nm of wavelength range with C-T monochromator and 1200 L/mm holographic grating. Equipped with deuterium lamp and tungsten lamp as light source. Integrated with blue LCD display, Windows based PC control software and USB interface for data transfer.
| Wavelength Range | 190 to 1100 nm |
| Spectral Bandwidth | 1.8 nm |
| Optical System | Double beam, C-T monochromator，1200 L/mm holographic grating |
| Wavelength Accuracy | ±0.3 nm |
| Wavelength Repeatability | 0.2 nm |
| Wavelength Resolution | 0.1 nm |
| Wavelength Calibration | Automatic calibration after starting up |
| Measuring Range | 0 to 200% T, -0.301 to 4.000 Abs, -9999 to 9999C, -9999 to 9999 F |
| Transmittance Accuracy | ±0.3% T |
| Transmittance Repeatability | 0.1% T |
| Light Source | Tungsten lamp, Deuterium lamp |
| Stray Light | ≤0.05% T @ 220 nm, 360 nm |
| Light Switching Point | 294 nm to 365 nm (adjustable) |
| Display | 320×240 mm Blue LCD display |
| Baseline Flatness | ≤±0.001 Abs |
| Baseline Drift | ≤0.0005 Abs / half hour (after warm-up at 500 nm) |
| Sample Holder | fixed 2 trench sample holder |
| Cuvette |
4 Quartz cuvette (10 mm optical path) 4 Glass cuvette (10 mm optical path) |
| Sensor | Silicon photocell |
| Interface | USB |
| Output | Digital Signal |
| PC Software | Yes |
| Power Supply | 220V ± 10% 50 Hz, 85 VA / 110 V ± 10% 60 Hz 85 VA |
| Dimensions (L×W×H) | 545 × 450 × 235 mm |
| Package Dimension (L×W×H) | 660 × 560 × 400 mm |
| Net Weight | 17 kg |
| Gross Weight | 26 kg |
Double Beam UV-Vis Spectrophotometer is widely used for photometric measurement, spectrum scan, quantitative determination, dynamics measurement, 3D map measurement, multi-wavelength test, DNA/ Protein concentration measurement etc. across factories, schools, metallurgy, agriculture, food industry, biochemistry, and scientific research institutes, etc.
