Double Beam UV-Vis Spectrophotometer LUS-B12 is a compact, tabletop split double beam designed UV-Vis spectrophotometer, comprising automatic calibration and silicon photocell sensors. Features automatic 8-pool sample holder with 4 quartz cuvette, offers 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, it provides high-resolution, low stray light, and lasting stability. With LCD display, Windows based PC control software and USB interface, this spectrometer can meet the multi-level analysis application requirements of users.
| Wavelength Range | 190 to 1100 nm |
| Spectral Bandwidth | 1.8 nm |
| Optical System | Split double beam, C-T monochromator,1200 L/mm holographic grating |
| Wavelength Accuracy | ±0.5nm |
| 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 | 128×64 mm Blue LCD display |
| Baseline Flatness | ≤±0.002 Abs (With UV-Solution software) |
| Baseline Drift | ≤0.001 Abs / half hour (after warm-up at 500 nm) |
| Sample Holder | Automatic 8-pool sample holder |
| Cuvette | 4 Quartz cuvette (10 mm optical path) |
| Sensor | Silicon photocell |
| Interface | USB |
| PC Software | Yes |
| Power Supply | 220V ± 10% 50 Hz, 85 VA / 110 V ± 10% 60 Hz 85 VA |
| Dimensions (L×W×H) | 540×445×230 mm |
| Package Dimension (L×W×H) | 660×560×400 mm |
| Net Weight | 17 kg |
| Gross Weight | 26 kg |
Our range of Double Beam UV/VIS spectrophotometers offer long optical path which ensure high accuracy and stability. Its design measures the transmittance of the sample and solvent simultaneously. It is highly precise and performs powerful analysis.




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