Description
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Lasany LI-2802 R Double Beam UV-VIS Spectrophotometer for Professional Laboratory Use
The Lasany LI-2802 R Double Beam Microprocessor UV-VIS Spectrophotometer is an analytical laboratory instrument designed for absorbance, transmittance and concentration measurements. Its double-beam optical arrangement measures sample and reference signals to support stable spectrophotometric analysis in professional laboratories.
With a wavelength range of 190 nm to 1100 nm, the LI-2802 R supports ultraviolet and visible-light analysis for suitable laboratory methods. It is designed for applications in pharmaceutical laboratories, biochemical research, chemical testing, environmental analysis, educational institutions and industrial quality control.
Key Features
- Double-Beam Optical System: Compares sample and reference signals during measurements.
- Wide UV-VIS Wavelength Range: Supports analysis from 190 nm to 1100 nm.
- Microprocessor-Based Operation: Supports routine measurement and analytical workflows.
- Multiple Measurement Modes: Supports basic photometric and quantitative analysis; verify additional modes for the supplied configuration.
- Quantitative Analysis: Supports concentration determination using suitable calibration standards and methods.
- Wavelength Scanning: Helps examine spectral characteristics across selected wavelengths.
- Kinetics Analysis: Supports time-based absorbance monitoring where the relevant function is available.
- DNA and Protein Analysis: Suitable for compatible UV absorbance-based analytical procedures.
- Computer Connectivity: Data-transfer options depend on the supplied model and software configuration.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Lasany |
| Model Number | LI-2802 R |
| Product Type | Double Beam Microprocessor UV-VIS Spectrophotometer |
| Optical System | Double beam |
| Wavelength Range | 190–1100 nm |
| Spectral Bandwidth | Confirm the supplied LI-2802 R version’s specification sheet |
| Wavelength Accuracy | Confirm against the manufacturer’s datasheet for the exact version |
| Measurement Modes | Photometric and quantitative analysis; verify other modes for the supplied configuration |
| Photometric Range | Confirm the specified range for the supplied version |
| Light Sources | Deuterium and tungsten-halogen lamps are listed in related LI-2802 documentation; confirm for this unit |
| Detector | Confirm the detector type on the exact model datasheet |
| Connectivity | Confirm available USB, serial or printer interfaces for the supplied version |
| Sample Holder | Confirm the holder type and capacity with the supplier |
| Temperature Control | Available in the separate LI-2802 R with Peltier configuration; not assumed for the standard model |
| Sipper System | Available in the separate Peltier and Sipper configuration; verify package contents |
| Power Supply | Confirm voltage and frequency from the unit’s label or datasheet |
| Accessories | Confirm included cells, software, cables and manuals with the supplier |
Professional Laboratory Applications
- Pharmaceutical Testing: Supports suitable spectrophotometric assays and quality control procedures.
- Biochemical Research: Helps with compatible protein, nucleic-acid and enzyme-related measurements.
- Chemical Analysis: Supports absorbance measurements and concentration calculations using validated methods.
- Environmental Testing: Can be used for compatible water and environmental sample analysis.
- Food and Beverage Laboratories: Supports suitable analytical procedures and quality assessment.
- Academic Research: Suitable for spectroscopy demonstrations, scientific projects and laboratory experiments.
- Industrial Quality Control: Supports routine testing of suitable materials and samples.
Benefits for Laboratory Workflows
The double-beam design supports sample-reference comparison, while microprocessor-based operation helps manage routine analytical tasks. Depending on the installed functions and software, users can perform quantitative measurements, examine spectra and monitor changes in absorbance over time. The instrument can support a range of laboratory workflows when paired with suitable analytical methods and calibration procedures.
Important Product Configuration Notes
- Confirm that the product label states LI-2802 R before publishing the listing.
- Do not advertise Peltier temperature control or an automated sipper system unless the supplied model includes these features.
- Verify wavelength accuracy, spectral bandwidth, photometric range, sample-holder capacity and interfaces using the exact product datasheet.
- Confirm whether software, cuvettes, cables, installation and training are included in the quoted package.
- Do not claim regulatory certification or compliance unless supported by manufacturer documentation.
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Lasany LI-2802 R Double Beam UV-VIS Spectrophotometer for Professional Laboratory Research, Testing and Quality Control
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