Description
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Lasany LI-295 Microprocessor Single Beam UV-VIS Spectrophotometer for Laboratory Testing Applications
The Lasany LI-295 Microprocessor Single Beam UV-VIS Spectrophotometer is an analytical laboratory instrument designed for ultraviolet and visible spectral analysis. It supports absorbance, transmittance and concentration measurements for scientific research, routine laboratory testing, pharmaceutical analysis and industrial quality control.
Featuring a single-beam grating optical system and a manufacturer-listed wavelength range of 190–1000 nm, the LI-295 is designed for routine UV-visible analytical workflows. Its 2 nm spectral bandwidth, automatic wavelength setting and microprocessor-based operation help simplify measurement setup and improve workflow consistency.
The instrument features a 128 × 64 dot LCD display, tungsten and deuterium lamps, and integrated scanning software. USB and parallel printer interfaces support data transfer and reporting in compatible laboratory environments.
Key Features of Lasany LI-295
- Single-Beam Optical System: Designed for routine ultraviolet and visible spectrophotometric analysis.
- Wavelength Range: Covers 190–1000 nm, according to the manufacturer’s LI-295 specifications.
- 2 nm Spectral Bandwidth: Supports routine laboratory measurements across the UV-visible range.
- Automatic Wavelength Setting: Helps simplify wavelength selection and instrument setup.
- Microprocessor Control: Supports electronic instrument operation and measurement functions.
- LCD Display: A 128 × 64 dot display presents measurement values and instrument information.
- Dual Light Sources: Tungsten and deuterium lamps support visible and ultraviolet measurements.
- Scanning Software: Supports spectral analysis and curve generation with compatible software.
- Independent Lamp Control: Separate switching of the tungsten and deuterium lamps is listed by the manufacturer.
- Data Storage: Stores up to 50 groups of data, according to the published product information.
- Connectivity: USB and parallel printer interfaces support compatible data transfer and printing.
- Laboratory Applications: Suitable for pharmaceutical, environmental, food, agricultural and academic testing laboratories.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Lasany |
| Model | LI-295 |
| Instrument Type | Microprocessor Single Beam UV-VIS Spectrophotometer |
| Optical System | Single beam, grating |
| Wavelength Range | 190–1000 nm |
| Spectral Bandwidth | 2 nm |
| Wavelength Accuracy | ±1 nm |
| Wavelength Repeatability | 0.5 nm |
| Photometric Accuracy | ±0.5% T |
| Photometric Repeatability | 0.3% T |
| Photometric Range | -0.3 to 3 A; 0–200% T |
| Stray Light | Less than 0.3% T |
| Stability | ±0.002 A/h at 500 nm |
| Detector | Silicon photodiode |
| Light Sources | Tungsten lamp and deuterium lamp |
| Display | 128 × 64 dot LCD |
| Cell Holder | Four-position cell changer; confirm supported cell path length with supplier |
| Data Storage | Up to 50 groups of data, as listed by the manufacturer |
| Software | Scanning software for spectral analysis and curve generation |
| Output Interfaces | USB and parallel printer port |
| Power Supply | AC 85–250 V, according to the product listing |
| Dimensions | Approximately 420 × 280 × 180 mm |
| Weight | Approximately 20 kg |
Applications of Lasany LI-295
- Pharmaceutical Laboratories: Absorbance and concentration analysis using suitable analytical methods.
- Environmental Testing: Spectrophotometric analysis of prepared water and environmental samples.
- Food and Beverage Testing: UV-visible analysis of compatible food and beverage samples.
- Agricultural Chemistry: Testing of prepared agricultural and chemical samples.
- Academic Research: Laboratory practicals, scientific experiments and educational demonstrations.
- Industrial Quality Control: Routine sample testing and quantitative analysis.
- Water and Wastewater Analysis: Measurement using validated spectrophotometric procedures.
- Chemical Laboratories: Spectral analysis and curve generation using compatible software.
- Petrochemical Testing: UV-visible measurements for suitable analytical applications.
Benefits for Laboratory Testing and Quality Control
The Lasany LI-295 combines microprocessor control, automatic wavelength setting and a single-beam optical system in a benchtop laboratory instrument. Its UV-visible measurement capability supports routine analysis in research, quality control and educational laboratories.
The integrated scanning software can support spectral analysis and curve generation, while the dual-lamp system and independent lamp switching provide operational flexibility. USB and printer interfaces support compatible laboratory documentation workflows.
Ordering and Configuration Information
Confirm the exact supplied software version, included glass and quartz cells, cell-holder configuration, cables, manuals, dust cover and computer compatibility before purchase. Specifications and accessory packages may vary by supplied configuration.
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Lasany LI-295 Microprocessor Single Beam UV-VIS Spectrophotometer with Scanning Software for Laboratory Testing and Quality Control
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