L3S Split Beam VIS Spectrophotometer with Scanning
The L3S Split Beam VIS Spectrophotometer features full-spectrum scanning, automatic wavelength setting, and an automatic 8-position cuvette holder. Its 8-inch color touchscreen supports quantitative, kinetic, multi-wavelength and spectral analysis for routine QC and research laboratories.
- 325–1100 nm
- 1.8 nm Bandwidth
- ±0.5 nm Accuracy
- ≤0.03%T Stray Light
Features of L3S Split Beam VIS Spectrophotometer
- Full-Spectrum Scanning: Fast / Medium / Slow scanning with peak/valley detection.
- Automatic 8-Position Cuvette Holder: Supports automatic multi-sample measurement.
- 8-Inch Color Touchscreen: Automatic wavelength setting and direct instrument control.
- Quantitative & Kinetic Analysis: Linear regression, direct concentration readout and time-based kinetics.
- Multi-Wavelength & GOTO λ: Supports multi-wavelength measurement and quick wavelength positioning.
- Internal Memory & Power Protection: Stores results, spectra, regression equations and correction data.
- USB + Optional Software: Supports PC data processing, spectrum analysis and result storage.
Applications of L3S Split Beam VIS Spectrophotometer

Education & Teaching Laboratories
Widely used in teaching laboratories for demonstrating Beer-Lambert Law, calibration curves, and basic qualitative and quantitative analysis of colored solutions.

Chemical & Industrial Process Control
Measuring absorbance-based color intensity and tracking reaction kinetics in dyes, coatings, inks, and electroplating solutions for routine industrial quality control.

Pharmaceutical & Biotech Quality Control
Used for quantitative analysis of APIs and finished products with visible absorbance, dissolution testing, and optional basic DNA/protein quantification and reaction kinetics monitoring via PC software.

Water & Environmental Analysis
Used for routine colorimetric determination of ammonia nitrogen, total phosphorus, Cr⁶⁺, nitrite, and volatile phenols in environmental water quality monitoring.

Food & Agricultural Quality Control
For colorimetric detection of nitrite, nitrate, phosphate, peroxide value, and pigments in food and agricultural products for quality control compliance.
L3 vs L3S–Which One Should You Choose?
| Function | L3 | L3S |
| 325–1100 nm | Yes | Yes |
| 1.8 nm Bandwidth | Yes | Yes |
| ±0.5 nm Wavelength Accuracy | Yes | Yes |
| 8-Inch Touchscreen | Yes | Yes |
| Automatic 8-Position Holder | Yes | Yes |
| Quantitative Analysis | Yes | Yes |
| Time-Based Kinetics | Yes | Yes |
| Full-Spectrum Scanning | — | Yes |
| Scanning Speed Selection | — | Fast / Medium / Slow |
| Optional Thermal Plotter | — | Yes |
Choose L3S when full-spectrum scanning and more complete spectral analysis are required.
L3S Split Beam VIS Spectrophotometer Display
FAQ
Specifications of L3S Split Beam VIS Spectrophotometer
| Model | L3S |
| Product name | Split Beam VIS Spectrophotometer |
| Photometry | Split Beam |
| Monochromator Type | Czerny-Turner |
| Focal Length | 160mm |
| Grating | 1200 lines/mm |
| Detector | Silicon Photocell |
| Spectrum Bandwidth | 1.8nm |
| Wavelength Setting | 8-inch color touch-screen |
| Wavelength Range | 325-1100nm |
| Wavelength Accuracy | ±0.5nm |
| Wavelength Repeatability | ≤0.2nm |
| Scanning Speed | Fast-Medium-Slow |
| Stray Light | ≤0.03%T( at 220nm NaI, 360nm NaNo2 ) |
| Photometric Range | 0.0-200.0% T-0.301-4.000 A0.000-9999 C |
| Photometric Accuracy | ±0.5% T±0.002 Abs (0-0.5A)±0.004 Abs (0.5-1A) |
| Photometric Repeatability | ≤0.2% T0.001 Abs (0-0.5A)0.002 Abs (0.5-1A) |
| Baseline | ≤±0.002 A (335-1090nm) |
| Noise | 100%(T)noise≤0.2%(T) , 0%(T)noise≤0.1%(T) |
| Drifting | ≤0.0009 Abs/h (at 500nm after 2h warm up) |
| Power | AC220V±22V 50Hz±1Hz, 120W |
| Packaging Size | 710mm X 590mm X 505mm 0.21M3 40kg |
Standrad Accessories
| Operation manual | 1pc |
| Glass cuvette 10mm | 4pcs |
| Power cable | 1pc |
| Fuse | 2pcs |
| Cuvette holder 10mm | 1pc |
Optional Accessories
| UV WIN8 station pro software | |
| Cuvette holder | 50mm 100mm |
| Cuvette | 20mm 30mm 50mm 100mm |
Why Choose Us?
One-Station Shopping
“Multiple suppliers” have always been an issue in the procurement process. Drawell as a one-stop laboratory equipment and scientific instruments supplier, can perfectly solve this problem. In addition to manufacturing our own equipment, we also represent other laboratory equipment. Our product lines are rich and diverse at competitive prices. Provide one-stop service to customers.
Customer-centric Services
User Training – Training by Drawell skilled engineers about installation, debug tests, technical services, etc. It can happen in our factory in China, or at the site in the customers’ country. Cost depends on where and when the training happens.
Online Support
To discuss the problem and get it resolved, online chats, real-time video calls, and remote guidance. For the after-sales stage, our online technical guidance is free and ready forever.
100% Quality Guarantee Policy
1 year free official warranty, including repairing quality-damaged parts, and offering replacements of selected parts (shipping cost is extra). 5% of the product price is charged for extending the warranty before the end of the official warranty.
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