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Lasany LI-2707 Touch Screen Double Beam UV-VIS Spectrophotometer for Research and Quality Control
The Lasany LI-2707 Touch Screen Double Beam UV-VIS Spectrophotometer is an analytical laboratory instrument designed for precise absorbance, transmittance and concentration measurements. Its double-beam optical system and 8-inch colour touchscreen support convenient operation for research, routine analysis and laboratory quality control.
With a wavelength range of 190 nm to 1100 nm, the LI-2707 supports ultraviolet and visible-light spectrophotometric analysis. It is suitable for laboratories working in pharmaceutical testing, chemical analysis, environmental studies, food testing, biotechnology and academic research. The instrument provides measurement and scanning functions to support both qualitative and quantitative analytical workflows.
Key Features
- Double-Beam Optical System: Supports sample and reference measurements for improved measurement stability.
- 8-Inch Colour Touchscreen: Provides an accessible interface for selecting measurement settings and viewing results.
- Wide Wavelength Range: Covers 190–1100 nm for ultraviolet and visible-light applications.
- Full-Spectrum Scanning: Helps examine the spectral characteristics of suitable samples.
- Quantitative Analysis: Supports concentration measurements and linear regression workflows.
- Kinetics Measurement: Enables time-based absorbance monitoring for suitable analytical procedures.
- Multi-Wavelength Measurement: Supports analysis at selected wavelengths.
- Automatic Adjustments: Includes automatic zero and full-scale adjustment, as described by the manufacturer.
- USB Connectivity: Allows connection to a compatible computer for data handling.
- Data Storage: Internal memory supports storage of test results and related analytical data.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Lasany |
| Model Number | LI-2707 |
| Product Type | Touch Screen Double Beam UV-VIS Spectrophotometer |
| Optical System | Double beam |
| Monochromator | Czerny-Turner |
| Wavelength Range | 190–1100 nm |
| Spectral Bandwidth | 1 nm |
| Grating | 1200 lines/mm |
| Wavelength Accuracy | ±0.5 nm, as listed in the manufacturer’s LI-2707 product information |
| Wavelength Repeatability | ≤0.2 nm |
| Detector | Silicon photocell |
| Display | 8-inch colour touchscreen |
| Scanning Speed | Fast, medium and slow |
| Interface | USB COM port |
| Light Sources | Deuterium lamp and tungsten halogen lamp |
| Power Supply | AC 220 V ±22 V, 50 Hz ±1 Hz, as listed by the manufacturer |
| Software | UV WIN8 spectrum data processing software available as an option |
| Printer | Thermal plotter available as an option |
| Weight | Approximately 42.5 kg, as listed in the manufacturer’s technical information |
Research and Quality Control Applications
- Pharmaceutical Laboratories: Supports suitable drug analysis, formulation testing and quality control procedures.
- Chemical Analysis: Helps measure sample absorbance and concentration using appropriate calibration methods.
- Environmental Testing: Can be used for compatible water and environmental sample analysis.
- Academic Research: Suitable for spectroscopy experiments, scientific investigations and laboratory teaching.
- Food and Beverage Testing: Supports compatible spectrophotometric analysis and quality assessment.
- Biotechnology and Life Sciences: Can support appropriate analytical research workflows.
- Industrial Quality Control: Helps laboratories perform routine measurements and evaluate sample characteristics.
Benefits for Laboratory Workflows
The Lasany LI-2707 combines a double-beam optical arrangement with touchscreen operation to support laboratory measurements. Spectrum scanning, quantitative analysis, kinetics and multi-wavelength functions help users select suitable measurement workflows. USB connectivity supports computer-based data handling, while optional software and printing accessories can extend data-processing and reporting capabilities.
Important Product Notes
- Confirm the exact LI-2707 model and specification sheet before publishing the final listing.
- UV WIN8 software and the thermal plotter are listed as optional accessories and should not be advertised as included unless supplied.
- Verify the supplied cell holder, cuvettes, cables, software licence and other package contents with the seller.
- Use appropriate calibration standards and validated analytical procedures for reliable results.
- Do not claim certifications or regulatory approvals unless supported by current manufacturer documentation.
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Lasany LI-2707 Touch Screen Double Beam UV-VIS Spectrophotometer for Scientific Research, Laboratory Testing and Quality Control
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