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Lasany LI-2802 R Double Beam UV-VIS Spectrophotometer with Peltier Temperature Control
The Lasany LI-2802 R Double Beam UV-VIS Spectrophotometer with Peltier Temperature Control is a professional analytical laboratory instrument designed for absorbance and transmittance measurements, quantitative analysis and temperature-controlled testing. Its double-beam optical system compares sample and reference signals, while the Peltier-controlled sample holder supports experiments that require controlled sample temperatures.
The system also includes a sipper system for drawing liquid samples into the measurement cell, helping streamline suitable analytical workflows. With a wavelength range of 190 nm to 1100 nm, an eight-cell holder and a temperature-control range of 15°C to 65°C, this configuration is suitable for compatible research, kinetics studies, pharmaceutical analysis and laboratory quality control applications.
Key Features
- Double-Beam Optical System: Measures sample and reference signals to support stable spectrophotometric analysis.
- Peltier Temperature Control: Provides controlled sample temperatures from 15°C to 65°C for suitable analytical procedures.
- Integrated Sipper System: Draws liquid samples into the measurement cell to reduce manual sample handling.
- Wide UV-VIS Wavelength Range: Supports measurements across 190–1100 nm.
- Eight-Cell Sample Holder: Supports laboratory workflows involving multiple sample cells.
- Kinetics Analysis: Helps monitor absorbance changes over time for suitable reaction studies.
- Quantitative Analysis: Supports concentration calculations using appropriate standards and calibration methods.
- Wavelength Scanning: Supports examination of sample spectra across selected wavelength intervals.
- Multiple Measurement Modes: Includes basic photometry, quantitative analysis, kinetics, multi-wavelength, wavelength scanning and DNA/protein testing, as listed in the manufacturer’s brochure.
- Computer Connectivity: USB and printer interfaces are listed in the manufacturer’s technical documentation.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Lasany |
| Model Number | LI-2802 R with Peltier and Sipper System |
| Product Type | Double Beam Microprocessor UV-VIS Spectrophotometer |
| Optical System | Double beam |
| Wavelength Range | 190–1100 nm |
| Spectral Bandwidth | 1 nm, as listed in the manufacturer’s brochure |
| Wavelength Accuracy | Confirm the exact specification against the supplied unit’s datasheet |
| Photometric Accuracy | ±0.3% T, as listed in the manufacturer’s technical brochure |
| Photometric Range | 0–200% T; -0.3 to 3.0 A; 0–9999 C, as listed in the brochure |
| Sample Holder | Eight-cell, 10 mm cuvette holder |
| Peltier Temperature Range | 15°C to 65°C |
| Sampling Time Range | 30 seconds to 10 minutes, as listed for the Peltier/sipper system |
| Sipper Pump Speed | 1 to 12, as listed in the manufacturer’s technical information |
| Sampling Speed | Approximately 50 ml/min |
| Measurement Modes | Basic photometry, quantitative, kinetics, multi-wavelength, wavelength scan and DNA/protein testing |
| Light Sources | Deuterium lamp and tungsten-halogen lamp |
| Detector | Silicon photodiode |
| Data Interface | USB and parallel printer interface, as listed in the brochure |
| Power Supply | 220 V ±22 V at 50 Hz ±1 Hz or 110 V ±11 V at 60 Hz ±1 Hz, depending on the supplied version |
| Accessories | Confirm the exact supplied cells, software, control unit, cables, flow cell and manuals with the supplier |
Professional Laboratory Applications
- Pharmaceutical Research: Supports appropriate spectrophotometric assays and temperature-controlled analytical procedures.
- Kinetics Studies: Helps monitor changes in absorbance during suitable time-dependent reactions.
- Biochemical Research: Supports compatible enzyme studies and other temperature-sensitive analytical workflows.
- Chemical Testing: Helps determine absorbance and concentration using validated methods.
- Environmental Analysis: Can support compatible water and environmental sample testing.
- Industrial Quality Control: Supports routine measurements and testing of suitable liquid samples.
- Academic Laboratories: Useful for scientific research, spectroscopy experiments and laboratory demonstrations.
Benefits for Laboratory Workflows
The double-beam optical design supports sample-reference comparison, while Peltier temperature control helps maintain the required sample temperature during suitable experiments. The sipper system can reduce repeated manual pipetting and support consistent liquid sample handling. Together, these features can help laboratories conduct temperature-sensitive measurements and kinetics studies more efficiently.
Important Product Configuration Notes
- Confirm the exact product designation as LI-2802 R with Peltier and Sipper System before publishing the listing.
- The Peltier temperature controller and sipper system are additional components; verify that both are included in the package.
- Confirm the temperature range, pump speed, sampling speed and photometric specifications against the current manufacturer datasheet.
- Verify included software, cuvettes, flow cell, control unit, cables and manuals with the supplier.
- Use appropriate calibration standards and validated laboratory procedures for reliable analytical results.
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Lasany LI-2802 R Double Beam UV-VIS Spectrophotometer with Peltier Temperature Control and Sipper System for Laboratory Research and Testing
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