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Accueil » Produits » Analyse optique » Spectrophotomètre UV-Vis à double faisceau | Solution d'analyse de haute précision pour le laboratoire et l'industrie

High-Precision Optical System for Reliable Analytical Results
Le double beam UV-Vis spectrophotometer is engineered with a dual-beam optical design, ensuring superior measurement accuracy, low stray light, and long-term stability. Compared with single-beam systems, this configuration enables real-time reference correction, making it ideal for high-precision laboratory analysis and industrial quality control.
The suspended optical system, mounted on a 16mm авиа-grade aluminum base, effectively eliminates vibration and thermal deformation interference, significantly improving instrument reliability in demanding environments.
Equipped with imported gratings, detectors, deuterium lamps, and tungsten lamps, the system guarantees consistent performance across the full wavelength range, supporting high-sensitivity UV and visible spectrum analysis.
Analyse optique Description
Intelligent Operation & Advanced Analytical Capabilities
Designed for modern laboratories and industrial users, the instrument integrates a 6-inch high-resolution color display and intuitive interface, enabling both standalone and PC-connected operation.
It supports a wide range of analytical functions critical for B2B applications:
Photometric measurement
Quantitative analysis
Full spectrum scanning
Kinetics testing
DNA/protein analysis
Multi-wavelength testing
The built-in professional software complies with GLP/GMP standards, offering:
User permission management
Audit trails and data traceability
Automated report generation
Historical data storage and export
This makes it highly suitable for pharmaceutical labs, environmental testing agencies, and industrial QA/QC departments.


Flexible Configuration & Wide Application Adaptability
Le présent UV-Vis spectrophotometer system is designed for scalability and diverse applications. It supports multiple accessories to meet complex analytical requirements:
Auto 8-cell holder
Micro-volume cuvette holder
Temperature-controlled auto sampler
Integrating sphere
Reflectance accessories
With wavelength coverage from 190-1100 nm, it is widely used in:
Pharmaceutical and biotech analysis
Tests de sécurité alimentaire
Surveillance de l'environnement
Chemical and material research
Industrial process quality control
Its modular design ensures that the instrument can evolve with changing analytical demands, reducing long-term investment costs for enterprises.
Paramètre d'analyse optique
| Paramètres | Spécifications |
|---|---|
| Wavelength Range | 190-1100 nm |
| Précision de la longueur d'onde | ±0,1 nm (656,1 nm), ±0,3 nm sur toute la gamme |
| Wavelength Repeatability | 0.1 nm |
| Spectral Bandwidth | 0.5 / 1 / 2 / 4 nm |
| Lumière parasite | ≤0.03%T (220 nm & 360 nm) |
| Photometric Accuracy | ±0.2%T (0–100%T) |
| Photometric Repeatability | ≤0.1%T |
| Photometric Range | -0.3–3A / 0–200%T / 0–9999C |
| Stabilité | ≤0.0005 A/h |
| Affichage | LCD (320×240) |
| Output Interface | USB & Parallel Port |
| Source lumineuse | Deuterium Lamp (UV) & Tungsten Lamp (Visible) |
Instrava OEM/ODM
Des instruments fiables. Des solutions adaptées à votre application.
Instrava se concentre sur la fourniture de solutions industrielles fiables grâce à des produits soigneusement sélectionnés, à une optimisation axée sur les applications et à une personnalisation flexible. Nous sélectionnons des instruments éprouvés auprès de fabricants de confiance afin de garantir une qualité constante, nous optimisons les solutions en fonction des conditions de travail réelles afin de résoudre les problèmes pratiques, et nous fournissons des configurations sur mesure pour répondre aux besoins d'applications spécifiques.
En combinant l'expertise en matière de sélection et la compréhension des applications, Instrava aide ses clients à réduire les risques, à améliorer l'efficacité et à obtenir des résultats fiables dans des environnements industriels complexes.

What is a double beam UV-Vis spectrophotometer and how does it improve accuracy?
A double beam UV-Vis spectrophotometer splits the light into two paths—one for the sample and one for the reference—allowing real-time baseline correction. This significantly improves measurement accuracy, stability, and repeatability, especially in long-term or high-precision industrial analysis.
👉 Compared to single-beam systems, it is the preferred choice for pharmaceutical QC, environmental testing, and laboratory spectroscopy applications.
What are the main applications of a UV-Vis spectrophotometer in industrial laboratories?
UV-Vis spectrophotometers are widely used for:
Chemical concentration analysis
Water quality and environmental monitoring
Pharmaceutical raw material and finished product testing
Food safety and additive detection
DNA, RNA, and protein quantification
These applications make it essential for industrial quality control and regulatory compliance testing.
How do I choose the best UV-Vis spectrophotometer for my lab or factory?
When selecting a UV-Vis spectrophotometer, consider:
Measurement accuracy and repeatability
Wavelength range (e.g., 190–1100 nm for full UV-Vis coverage)
Compliance requirements (GLP/GMP)
Data management and software capabilities
Expandability (auto sampler, accessories)
For industrial buyers, a double beam UV-Vis spectrophotometer with stable optics and compliance-ready software offers the best long-term value.
What is the difference between UV-Vis spectrophotometer and spectrometer?
A UV-Vis spectrophotometer measures light absorbance/transmittance at specific wavelengths, while a spectrometer provides broader spectral analysis.
In industrial and laboratory settings, UV-Vis spectrophotometers are preferred for:
Routine quantitative analysis
Quality control workflows
Standardized testing procedures
Can a UV-Vis spectrophotometer be used for DNA and protein analysis?
Yes. UV-Vis spectrophotometers are commonly used for DNA, RNA, and protein concentration measurement, particularly at wavelengths like 260 nm and 280 nm.
Ils sont largement utilisés dans :
Biotechnology labs
Pharmaceutical R&D
Academic research institutions
High accuracy and repeatability are critical for biological sample analysis, making double beam systems more reliable.
What factors affect the accuracy of a UV-Vis spectrophotometer?
Les facteurs clés sont les suivants :
Light source stability
Optical alignment and stray light
Cuvette quality and cleanliness
Fluctuations de température
Fréquence d'étalonnage et d'entretien
Choosing a system with low stray light, high stability, and automatic correction functions is essential for ensuring consistent and reliable results.
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Chaque instrument est évalué en fonction de ses performances, de sa stabilité et de son adéquation à l'application, et non pas seulement en fonction de ses spécifications ou de son prix.
Nous travaillons avec des fabricants de confiance pour garantir un approvisionnement stable, une qualité constante et une livraison fiable.
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