ARAGO

ARAGO

ARAGO

Product catalog summary
Introduction
The ARAGO Refractometer Series by Cordouan Technologies offers innovative digital refractometers designed for a wide range of industries including petrochemicals, pharmaceuticals, food, and more. These refractometers are based on a patented technology developed by the French Institute of Petroleum (IFPEN) and provide an unprecedented refractive index (RI) measurement range.

Measurement Principle
The ARAGO refractometers utilize a light reflection measurement principle, differing from traditional Abbe refractometers. This allows for a broader measurement range from 1.2 nD to 3.1 nD and the ability to measure dark or opaque samples. The innovative design includes a hermetic cell cover for enhanced accuracy and temperature stability.

Features & Benefits
- Broad RI measurement range: 1.2 nD to 3.1 nD
- High measurement accuracy: up to the 5th decimal
- Built-in temperature control with steps of 0.1°C up to 100°C
- Easy cleaning and prevention of cross-contamination
- Intuitive software interface with touchscreen compatibility

Applications
- Petrochemicals & Oil: High precision measurement for studies of aggregates, crystallization, and viscous materials.
- Polymers: Suitable for high index coatings and crystallization kinetics.
- Chemicals, Cosmetics, Pharmaceuticals: Flexible solutions for high purity product measurement.
- Photonics: Measurement of high RI liquids for applications like immersion lithography.
- Colloidal and Complex Fluids: High accuracy measurements for nanoparticles and metal-based liquids.

Technical Specifications
- Measurement range: 1.20 to 3.10 nD
- Resolution: ±0.000001 nD
- Accuracy: ±0.00001 nD
- Temperature control range: 15 to 80°C
- Prism materials: BK7, Silica, Sapphire
- Operating wavelength: 658 nm standard, with optional wavelengths available

Conclusion
The ARAGO Refractometer Series is designed to meet the needs of both conventional and demanding applications in research and industry, offering unmatched versatility and ease of use.
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Catalog excerpts

ARAGO-1

Refractometer Series Measures when others fail INNOVATIVE DIGITAL REFRACTOMETERS Petrochemicals & Oils Pharmaceuticals Food industry Nanoparticles Cosmectics Chemicals Polymers Gel... and more

 Open the catalog to page 1
ARAGO-2

Download the technical note MEASUREMENT PRINCIPLE The refractive index (Rl) of a medium is a fundamental physical property which depends on several characteristics of the medium : its temperature and surrounding pressure, the medium composition, the light wavelength. That is why the Rl is often used to identify a particular substance, confirm its purity, or measure its concentration. The Rl of liquids (or solids) is commonly measured with Abbe optical refractometers, relying on the measurements of the critical angle for total internal reflection. For Abbe refractometers, the Rl is limited by...

 Open the catalog to page 2
ARAGO-3

ARAGO REFRACTOMETERS FEATURES & BENEFITS World's largest Rl measurement range: from 1.2 nD to 3.1 nD Rl Measurement accuracy : 4 th and 5 th decimal depending Sample cell: - Small sample volume: typ 50 ul - High durability materials: 316 L stainless steel + Si02, BK7 or Sapphire glass prism - Built in TEC temperature control for efficient sample temperature stabilization Download video Touch screen with user friendly interface: - Measurement results real time plot - Easy and accurate temperature setting with steps down - Results automatic saving Brix scale with automatic temperature compensation;...

 Open the catalog to page 3
ARAGO-4

ARAGOSeries Refractometer Temperature control range (°C) Brix Scale ( e.g. Arago ω) 0-95% / Resolution ± 0.002 % / Accuracy & Reproducibility ± 0.01% Component Prism (Standard) Operating wavelength (Standard) Cell material Stainless steel (4) Touchscreen PC (6) or user personal computer Operator consol Arise Software Setup and operation in English or French Common characteristics Light source (6) Laser Diode temperature stabilized with built-in Peltier system (6) 10 x 24 x 27 Power requirements 100-240 VAC - 50/60 Hz - min: 10 W, max: 50 W depending on sample and ambient T°C Options Temperature...

 Open the catalog to page 4

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.