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Lasany LI-721 Single Beam Visible Spectrophotometer with Software for Laboratory Analysis
The Lasany LI-721 Single Beam Visible Spectrophotometer with Software is a laboratory instrument designed for routine analytical measurements, scientific research and quality-control applications. It supports visible-region spectrophotometric testing, including absorbance, transmittance and concentration measurements for suitable laboratory procedures.
The LI-721 features a manually adjustable wavelength selector, a 2 nm spectral bandwidth and a 50 mm sample holder. Its multiple photometric modes support different measurement workflows, while the RS232 communication interface allows measured values to be transferred to a compatible computer. The software-equipped configuration supports convenient laboratory data handling.
Key Features of Lasany LI-721
- Single Beam Optical System: Designed for routine visible spectrophotometric analysis.
- Wide Visible Wavelength Range: Covers 320–1020 nm for various laboratory measurements.
- Software Connectivity: Supports computer-based data transfer and handling.
- Manual Wavelength Adjustment: Wavelength selection is performed using the front-panel dial.
- 2 nm Spectral Bandwidth: Suitable for general-purpose visible-region analysis.
- Multiple Photometric Modes: Includes transmittance, absorption, concentration and factor modes.
- 50 mm Sample Holder: Supports the sample-cell arrangement specified by the manufacturer.
- RS232 Interface: Enables communication with compatible computers.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Lasany |
| Model | LI-721 |
| Instrument Type | Single Beam Visible Spectrophotometer with Software |
| Optical System | Single Beam |
| Wavelength Range | 320–1020 nm |
| Wavelength Adjustment | Manual, front-panel dial |
| Spectral Bandwidth | 2 nm |
| Photometric Range | 0–200%T; -0.3 A to 3 A |
| Photometric Modes | Transmittance, Absorption, Concentration and Factor |
| Sample Holder | 50 mm |
| Computer Interface | RS232 serial port |
| Software | Software-equipped configuration; confirm included software functions and compatibility |
| Power Cable | Configuration supplied by the manufacturer |
| Dust Cover | Listed as a supplied accessory on the manufacturer’s product page |
Applications
- Scientific research and laboratory analysis
- Routine absorbance and transmittance measurements
- Concentration determination using suitable analytical methods
- Educational and institutional laboratory experiments
- Industrial testing and quality-control procedures
- Chemical analysis compatible with visible spectrophotometry
Benefits for Laboratory Analysis
The Lasany LI-721 offers a practical solution for laboratories requiring routine visible spectrophotometric measurements. Its multiple photometric modes provide flexibility for analytical procedures, while computer connectivity supports the transfer and recording of measurement results. It is suitable for general laboratory use where visible-region analysis meets the requirements of the testing method.
Ordering and Configuration Information
Before ordering, confirm that the selected LI-721 configuration includes the required software, RS232 cable, sample cells, power cable, dust cover and operating manual. Verify software compatibility, warranty and calibration requirements with the supplier. The LI-721 and LI-721S are listed separately by the manufacturer and should not be treated as identical without confirmation.
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Lasany LI-721 Single Beam Visible Spectrophotometer with Software for Scientific Research, Laboratory Analysis & Quality Control
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