| Optical System | Czerny-Turner (CT) design, double beam |
| Grating | 1200 lines/mm holographic grating |
| Wavelength Range | 190 to 1100 nm |
| Spectral Bandwidth | 0.5, 1, 2, 4, 5 nm (5 gears, continuously adjustable) |
| Wavelength Accuracy | ±0.3 nm |
| Wavelength Repeatability | ≤ 0.1 nm |
| Photometric Accuracy | ±0.3 %T |
| Photometric Repeatability | ≤ 0.1 %T |
| Stray Light | ≤ 0.03% T (at 220 nm & 360 nm) |
| Photometric Noise | ≤ 0.0004 Abs |
| Drift | ≤ 0.0008 Abs / hour |
| Baseline Flatness | ± 0.0008 Abs |
| Light Source | Pre-aligned imported Deuterium and Tungsten lamps |
| Display | 10.1-inch wireless capacitive touch screen (tablet) |
| Operating System | Android-based navigation menu |
| Interface Languages | Chinese & English (automatic switching) |
| Photometric Modes | Absorbance (A), Transmittance (%T), Energy, Reflectance |
| Data Memory | 32 GB internal (expandable to 256 GB) |
| Data Export | USB, USB Flash Drive, Email, Wi-Fi Printing |
| Output Formats | CSV, PDF |
| Standard Software Functions | Photometry, Quantitation, Wavelength Scan, Kinetics, DNA/Protein, Multi-Wavelength |
| Power Requirements | AC 90 to 250 V, 50/60 Hz |
| Dimensions | 650 x 510 x 210 mm |
| Weight | 30 kg |
Low noise
Wireless display
Sample compartment
Large internal memory
Multi-language support
Long-lifetime components
Optical mounting platform
Built-in application methods
Versatile application software
Android-based navigation menu
Multi-wavelength measurement
Extensive data handling & export
Our Double Beam UV/Vis Spectrophotometer LUS-B70 is ideal for demanding labs, enabling precise DNA/protein analysis, drug quantification, and kinetic reaction monitoring. Its versatility and accuracy make it a cornerstone for applications in pharmaceutical development, food safety testing, and academic research.
Accessory Name | Description |
Long-Pathlength Cuvette Holder | Holder designed for using single-tank cuvettes with pathlengths from 5cm up to 10cm. |
Automatic Sample Holder | A multi-cell holder that allows for automated measurement of multiple samples sequentially. |
Peristaltic Pump Autosampler | An accessory that automatically pumps samples from vials or test tubes into the flow cell for high-throughput analysis. |
Water Constant Temperature Sample Holder | A cell holder connected to a water circulator to maintain precise temperature control of samples during measurement. |
Peltier Constant Temperature Sample Holder | A cell holder with an integrated Peltier unit for precise electronic temperature control without an external water bath. |
Integrating Sphere Attachment | A diffuse reflection accessory for measuring the reflectance of solid samples, powders, or opaque liquids. |
5° Specular Reflection Device | An accessory for measuring the specular (mirror-like) reflectance of polished surfaces, films, and mirrors. |
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Double Beam UV/Vis Spectrophotometer LUS-B70 Catalog
Available Range :
Double Beam UV/Vis Spectrophotometer LUS-B70 : Czerny-Turner (CT) design, double beam Double Beam UV-Visible Spectrophotometer LUS-B24 : Double Beam, Grating 1200 lines/ mm Double Beam UV-Vis Spectrophotometer LUS-B23 : Double beam Double Beam UV-Vis Spectrophotometer LUS-B32 : Double beam 1200 lines/mm Double Beam UV-VIS Spectrophotometer LUS-B41 : Double Beam 1200 nm grating Double Beam UV-Vis Spectrophotometer LUS-B40 : Double beam grating 1200 lines/mm Double Beam UV-Vis Spectrophotometer LUS-B20 : Double beam, C-T monochromator, 1600 L/mm holographic grating Double Beam UV-Vis Spectrophotometer LUS-B12 : Double beam, C-T monochromator,1200 L/mm holographic grating Double Beam UV-Vis Spectrophotometer LUS-B62 : Double beam, CT type light path, 1200 line/mm laser holographic diffraction grating Double Beam UV-Vis Spectrophotometer LUS-B33 : Double Beam, Grating 1200 lines/ mm Double Beam UV-Vis Spectrophotometer LUS-B30 : Double Beam, Grating 1200 lines/mm Double Beam UV-Vis Spectrophotometer LUS-B60 : Double beam/Proportional monitoring (optional), CT type light path, 1200 line/mm Laser holographic diffraction grating Double Beam UV-Vis Spectrophotometer LUS-B11 : Double beam; 1200 lines/mm grating Double Beam UV-Vis Spectrophotometer LUS-B42 : Optical double beam system Double Beam UV-Vis Spectrophotometer LUS-B51 : Proportional double beam path Double Beam UV-Vis Spectrophotometer LUS-B50 : Proportional double beam system Double Beam UV-Vis Spectrophotometer LUS-B63 : Quasi double beam ratio monitoring optical path, holographic diffraction gratingLabtron UV Vis double beam Spectrophotometers are small, tabletop devices with twin beam designs that span a wide range of wavelengths. They have silicon photodiode detectors, automatic wavelength adjustments, and tungsten and deuterium lamps. These feature LCD displays and USB ports for data storage and transportation. They provide a variety of measurement methods to satisfy various analytical needs. Our double beam spectrophotometers have exceptional performance and durability, auto calibration, user-friendly interfaces, and enhanced optics for precision.








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