Description
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Lasany LI-296 Microprocessor Single Beam UV-VIS Spectrophotometer for Scientific Research and Analysis
The Lasany LI-296 Microprocessor Single Beam UV-VIS Spectrophotometer is an analytical laboratory instrument designed for measuring absorbance, transmittance and concentration across the ultraviolet and visible wavelength regions. It combines a single-beam optical system, a 1200 lines/mm grating and computer-compatible scanning software to support scientific research, laboratory testing and quality control applications.
With a manufacturer-listed wavelength range of 190–1100 nm and a spectral bandwidth of 2 nm, the LI-296 supports routine photometric measurements as well as more advanced analytical workflows. Its compatible software provides photometric analysis, quantitative analysis, spectral scanning, kinetics studies, multi-wavelength testing and DNA/protein analysis.
The instrument features deuterium and tungsten lamps, a silicon photodiode detector and a 128 × 64 LCD display. Its data storage capability and USB and parallel printer interfaces support measurement recording, data transfer and reporting in compatible laboratory environments.
Key Features of Lasany LI-296
- Single-Beam Optical System: Designed for routine UV-visible spectrophotometric measurements.
- Wide Wavelength Range: Supports measurements from 190 to 1100 nm.
- 1200 Lines/mm Grating: Supports wavelength selection for analytical testing.
- 2 nm Spectral Bandwidth: Suitable for routine laboratory analysis.
- Microprocessor Control: Supports instrument operation and measurement processing.
- Scanning Software: Enables spectral scanning and additional analytical functions with the compatible software package.
- Multiple Analytical Modes: Includes photometric, quantitative, kinetics, multi-wavelength and DNA/protein analysis.
- Dual Light Sources: Deuterium and tungsten lamps support ultraviolet and visible measurements.
- Silicon Photodiode Detector: Detects optical signals for spectrophotometric analysis.
- Data Storage: Stores up to 200 test results and 100 standard curves, according to the manufacturer’s product information.
- LCD Display: Provides a digital interface for measurement values and instrument information.
- Computer and Printer Connectivity: USB and parallel printer interfaces support compatible data transfer and reporting.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Lasany |
| Model | LI-296 |
| Instrument Type | Microprocessor Single Beam UV-VIS Spectrophotometer |
| Optical System | Single beam |
| Grating | 1200 lines/mm |
| Wavelength Range | 190–1100 nm |
| Spectral Bandwidth | 2 nm |
| Wavelength Accuracy | ±1 nm |
| Wavelength Repeatability | ≤0.2 nm |
| Photometric Accuracy | 0.5% T |
| Photometric Repeatability | 0.2% T |
| Photometric Range | 0–200% T; -0.3 to 3 A |
| Stray Light | 0.15% T |
| Stability | ±0.0002 A/h at 500 nm |
| Baseline Flatness | ±0.002 A |
| Noise | ±0.001 A |
| Light Sources | Deuterium lamp and tungsten lamp |
| Detector | Silicon photodiode |
| Display | 128 × 64 LCD |
| Cell Holder | 50 mm, four-position cell holder, as listed by the manufacturer |
| Data Storage | Up to 200 test results and 100 standard curves |
| Software Functions | Photometric, quantitative, spectral scanning, kinetics, multi-wavelength and DNA/protein analysis |
| Output Interfaces | USB and parallel printer port |
| Power Supply | AC 220 V / 50 Hz or AC 110 V / 60 Hz, as listed by the manufacturer |
| Dimensions | 590 × 460 × 220 mm |
| Net Weight | Approximately 16 kg |
Standard Accessories
The manufacturer’s published LI-296 configuration lists the following accessories:
- Main instrument
- USB cable
- Four-glass-cell accessory kit
- Two quartz cells
- Operating manual
- Software manual
- Dust cover
- Software CD and software key
- Power cable
Confirm the final accessory package and software compatibility with the supplier before ordering.
Applications of Lasany LI-296
- Pharmaceutical Analysis: Absorbance and concentration measurements using appropriate analytical methods.
- Environmental Monitoring: Spectrophotometric testing of prepared water and environmental samples.
- Food and Beverage Testing: UV-visible analysis of suitable samples.
- Agricultural Chemistry: Laboratory testing of prepared agricultural samples.
- Scientific Research: Spectral scanning, quantitative analysis and kinetics studies.
- Biochemistry and Biotechnology: DNA/protein analysis when supported by the supplied software and validated method.
- Educational Laboratories: Scientific experiments, student practicals and research projects.
- Industrial Quality Control: Routine testing and quantitative sample analysis.
- Water and Wastewater Laboratories: Measurement using validated spectrophotometric procedures.
- Petrochemical and Chemical Testing: UV-visible analysis for compatible laboratory applications.
Benefits for Scientific Research and Laboratory Analysis
The Lasany LI-296 combines a single-beam optical system with scanning software and multiple analytical modes, making it suitable for routine measurements and research-oriented laboratory workflows. Its broad wavelength range supports UV-visible testing, while kinetics, multi-wavelength and DNA/protein functions extend its potential applications when the relevant software modules are supplied.
Stored test results and standard curves can help laboratories organise routine analytical work. USB connectivity and a printer interface provide options for transferring and reporting measurement data through compatible systems.
Ordering and Configuration Information
Before purchase, confirm the exact software version, computer compatibility, included cells, cell-holder configuration, cables, software key, manuals and other accessories. Verify the manufacturer’s current technical datasheet and confirm that the supplied configuration meets the requirements of the intended analytical method.
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Lasany LI-296 Microprocessor Single Beam UV-VIS Spectrophotometer with Scanning Software for Scientific Research and Laboratory Analysis
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