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| Spectral Bandwidth | 4nm (optional 2nm) |
| Wavelength Range | 190 to 1100 nm |
| Optical System | Single beam path, holographic diffraction grating |
| Wavelength Accuracy | ± 0.8 nm |
| Wavelength Repeatability | 0.2 nm or less |
| Wavelength Setting | Automatic Wavelength Setting |
| Wavelength Resolution | 0.1 nm |
| Luminosity Range | 0 to 200% T, -0.3 to 3A, 0 to 9999 C, 0 to 9999 F |
| Photometric Accuracy | ±0.002A (0 to 0.5A), ±0.004A (0.5 to1A), ±0.3%T (0 to100%T) |
| Photometric Repeatability | ≤ 0.001A (0 to 0.5A), ≤0.002A (0.5 to 1A), ≤0.2%T (0 to 100%T) |
| Stray Light | ≤0.1%T (220/360nm) |
| Baseline Drift | ≤0.002A/ h (500nm,0A) |
| Noise | ± 0.2%T (0%T line) ±0.4%T (100%T line) ±0.001A (500nm) |
| Baseline Flatness | ±0.003A |
| Scan Speed | Three adjustable speeds: high, medium, and low |
| Detector | Imported silicon photodiode |
| Light Source | Imported long-life tungsten and deuterium lamps |
| Display | 3-inch 128× 64 dot matrix LCD display |
| Keyboard | Tap film keys |
| Data Interface | USB Port |
| Printout | Microprinter, PC (Optional) |
| Power Supply | AC 90 to 250V, 50/60Hz |
| Overall Dimensions | 430 ×320 ×195mm |
| Weight | 12 kg |
High Wavelength Accuracy
Adjustable Measurement Modes
Large Sample Chamber
Low Stray‑Light Performance
Multi-Wavelength Testing
Single Beam UV-Visible Spectrophotometer LUS-F11 passes monochromatic light through a sample to determine chemical characteristics using one optical path. It is widely used in the paper, pulp industry, photography, and semi-conductor industry for assessing UV transmission.
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Single Beam UV-Visible Spectrophotometer LUS-F11 Catalog
Available Range :
Single Beam UV-Visible Spectrophotometer LUS-E13 : 0.1, 0.2, 0.5, 1, 2, 4 and 5 nm Single Beam UV-Visible Spectrophotometer LUS-A40 : 0.5 / 1.0 / 2.0 / 4.0 / 5.0 nm Single Beam UV-Visible Spectrophotometer LUS-A22 : 0.5 nm, 1 nm, 2 nm, 4 nm adjustable Single Beam UV-Vis Spectrophotometer LUS-A57 : 0.5, 1, 2, 4 and 5 nm Single Beam UV-Vis Spectrophotometer LUS-C16 : 0.5, 1, 2, 4, and 5 nm Single Beam UV-Visible Spectrophotometer LUS-A52 : 0.5/1/2/4/5 nm Single Beam UV-Visible Spectrophotometer LUS-A51 : 1 nm Single Beam UV-Visible Spectrophotometer LUS-A11 : 1.8 nm Single Beam UV-Visible Spectrophotometer LUS-A50 : 2 nm Single Beam UV-Visible Spectrophotometer LUS-A30 : 4 nm Single Beam UV-Visible Spectrophotometer LUS-C10 : 4.0 nm Single Beam UV-Visible Spectrophotometer LUS-F10 : 4nm Single Beam UV-Visible Spectrophotometer LUS-F11 : 4nm (optional 2nm) Single-Beam UV-Vis Spectropotometer, LUS-C29 : 5 nm Single Beam UV-Vis Spectrophotometer LUS-C28 : 6 nmLabtron single beam UV-visible spectrophotometers offer a broad range of wavelengths and many choices for spectral bandwidth. They provide quantitative analysis and photometric measurement with user-friendly interfaces. They come with USB connections and a large colorful LCD display. They are flexible since they have several light sources installed. Our single beam spectrophotometers offer high performance, reliability, and accuracy with auto wavelength adjustment and robust construction.
Labtron supplies premium Single Beam UV-Visible Spectrophotometer LUS-F11. Even Baseline drift-caused by lamp instabilities, temperature shifts, or aging optics—can accumulate error over long-wavelength scans. Mitigation includes warming the lamp for ~30 minutes before use, blank scans at frequent intervals, and maintaining ambient stability. Performing baseline correction against an air-blank or matched solvent minimizes effect. Choosing slower scan rates increases signal averaging, further stabilizing baselines. Regular maintenance—cleaning optics and securing beam-path seals—is essential for sustained baseline flatness.
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Labtron Equipment Ltd., Quatro House, Lyon Way, Camberley, Surrey GU16 7ER United Kingdom
Email: info@labtron.com Whatsapp: +44 73 4441 2688 Phone: +44 2080 043608