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Lasany LI-2800 Ex Double Beam UV-VIS Spectrophotometer for Professional Testing Applications
The Lasany LI-2800 Ex Double Beam Microprocessor UV-VIS Spectrophotometer is a laboratory analytical instrument designed for absorbance, transmittance and concentration measurements. Its double-beam optical system and microprocessor-controlled operation support consistent measurement workflows for professional testing, scientific research and quality control laboratories.
With a wavelength range of 190 nm to 1100 nm, the LI-2800 Ex supports ultraviolet and visible-light spectrophotometric analysis. It is suitable for laboratories working in pharmaceutical analysis, chemical testing, environmental studies, biotechnology, food testing and academic research. Selectable spectral bandwidths allow users to configure measurements for appropriate analytical procedures.
Key Features
- Double-Beam Optical System: Supports comparison of sample and reference signals for stable spectrophotometric measurements.
- Wide UV-VIS Wavelength Range: Covers 190–1100 nm for a broad range of ultraviolet and visible-light applications.
- Selectable Spectral Bandwidth: The standard LI-2800 Ex listing specifies selectable bandwidths of 0.5, 1, 2 and 4 nm.
- Microprocessor-Controlled Operation: Supports routine laboratory measurements and analytical workflows.
- Photometric Measurement: Supports absorbance and transmittance measurements.
- Quantitative Analysis: Helps determine sample concentrations using appropriate standards and calibration methods.
- Spectrum Scanning: Supports examination of spectral characteristics across selected wavelengths.
- Multiple Analytical Applications: Suitable for research, professional testing and laboratory quality control.
- Computer Connectivity: USB and RS-232 interfaces are listed for data communication.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Lasany |
| Model Number | LI-2800 Ex |
| Product Type | Double Beam Microprocessor UV-VIS Spectrophotometer |
| Optical System | Double beam |
| Wavelength Range | 190–1100 nm |
| Spectral Bandwidth | 0.5 / 1 / 2 / 4 nm, selectable as listed for the standard LI-2800 Ex |
| Wavelength Accuracy | ±0.3 nm, as listed in the standard LI-2800 Ex product specifications |
| Wavelength Repeatability | ±0.1 nm, as listed by the manufacturer |
| Photometric Range | -0.3 to 3.0 A / 0–200% T |
| Photometric Accuracy | ±0.3% T, as listed for the standard model |
| Light Sources | Deuterium lamp and tungsten-halogen lamp |
| Detector | Silicon photodiode |
| Display | Large backlit LCD, as listed for the standard model |
| Measurement Functions | Absorbance, transmittance, concentration and spectrum analysis |
| Connectivity | USB and RS-232 |
| Power Supply | Confirm the required voltage and frequency on the supplied unit’s specification sheet |
| Accessories | Confirm included cuvettes, software, cables and cell holder with the supplier |
Professional Testing and Research Applications
- Pharmaceutical Laboratories: Supports appropriate spectrophotometric analysis and quality control testing.
- Chemical Testing: Helps measure absorbance and concentration using validated analytical procedures.
- Environmental Laboratories: Suitable for compatible water and environmental sample analysis.
- Biotechnology Research: Supports appropriate biochemical and spectrophotometric research methods.
- Food and Beverage Testing: Can be used for compatible analytical testing and quality assessment.
- Academic Institutions: Supports spectroscopy practicals, scientific experiments and laboratory research.
- Industrial Quality Control: Helps laboratories conduct routine measurements and evaluate suitable samples.
Benefits for Laboratory Workflows
The double-beam optical design supports sample-reference comparison, while the microprocessor-controlled interface helps simplify routine operation. Selectable spectral bandwidths provide flexibility for suitable measurement procedures. Computer connectivity can assist with data transfer when compatible software and accessories are available.
Important Configuration Notes
- This description covers the standard LI-2800 Ex. Verify the model label and datasheet before publishing.
- A separately listed LI-2800 Ex configuration includes a Peltier temperature-control system and sipper system. Do not claim these features unless they are included in your product.
- Confirm software availability, cuvettes, cell holders, cables, warranty and installation terms with the supplier.
- Use suitable calibration standards and validated test procedures to obtain reliable analytical results.
- Do not claim specific certifications or regulatory compliance without supporting manufacturer documentation.
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Lasany LI-2800 Ex Double Beam UV-VIS Spectrophotometer for Professional Laboratory Testing, Scientific Research and Quality Control
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