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This section provides an overview for abbe refractometers as well as their applications and principles. Also, please take a look at the list of 22 abbe refractometer manufacturers and their company rankings. Here are the top-ranked abbe refractometer companies as of December, 2024: 1.Lambda Scientific Systems, Inc., 2.VEE GEE Scientific, 3.Heathrow Scientific.
Table of Contents
An Abbe refractometer is a device used to measure the refractive index of a material using the critical angle method. It resembles a microscope in appearance, and measurements are made visually through the eyepiece. This instrument is essential for manufacturers of optical equipment as it allows them to evaluate optical materials such as optical film and optical glass.
The Abbe refractometer is employed to determine the refractive index of various samples, including liquids, solids, and films. This measurement is crucial for assessing the optical performance of materials such as films, glass, lenses, and more. It finds extensive use in manufacturing and analysis companies.
Additionally, the refractometer principle is also applied in hand-held sugar meters, allowing the measurement of sucrose concentration in samples to evaluate the sweetness of vegetables and fruits.
The Abbe refractometer, resembling a microscope, is used by placing a sample on a prism. By looking through the eyepiece, one can observe the light emitted from the prism and its brightness or darkness. Since the refractive index is influenced by temperature, some prisms have a thermostatic water circulation system to control temperature.
When light travels from a medium with a higher refractive index to one with a lower refractive index, total internal reflection occurs if the angle of incidence exceeds a critical angle. This critical angle is the minimum angle of incidence at which total internal reflection happens. When a sample is placed on a prism with a higher refractive index than the sample and light is directed at the boundary between the prism and the sample, light incident parallel to the boundary surface will refract at the critical angle.
Observing the light emitted from the prism, one can identify a contrast in light intensity between the region above and below the critical angle, allowing the determination of the refractive index of the sample. Precisely, the refractive index can be calculated based on factors such as the critical angle, the angle of light emission from the prism, the prism's apex angle, and the refractive index of the prism.
While some Abbe refractometer models can measure the refractive indices of solids, accurate measurement of solids requires attention to detail. Irregular contact surfaces with the prism can lead to measurement errors. Therefore, when measuring solids, proper sample preparation and the use of an intermediate liquid may be necessary.
The process for measuring solid samples involves:
Abbe refractometers typically measure refractive indices using the D line of the sodium spectrum, with a median wavelength of 589.3 nm. However, certain models allow for wavelength adjustment within the visible or infrared spectrum, expanding the range of measurements. This feature can provide more comprehensive information than using the sodium spectrum alone.
Changing the light source wavelength can be achieved through methods such as employing an optical filter to transmit specific wavelengths or using an excitation element other than sodium (such as mercury or cadmium). The refractive index measurements at different wavelengths yield valuable data, as the curve representing refractive index against wavelength shape varies depending on the substance, allowing substance identification and impurity detection.
Moreover, measuring the refractive index at multiple wavelengths is highly effective in materials development and quality control, especially for materials where the refractive index is a critical parameter.
*Including some distributors, etc.
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Heathrow Scientific is a global manufacturer of benchtop equipment and laboratory essentials, founded in 1996 and headquartered in Vernon Hills, Illinois. The company offers over 800 laboratory items spanning multiple scientific categories, including life sciences, clinical applications, academic, and government research. Its product line includes freezer boxes, shakers, centrifuges, refractometers, and pipettes. It also offers labware washers and dryers, microscope slide holders, and workstation essentials. The company operates manufacturing facilities in the USA, China, and Malaysia, and it distributes its products to more than 100 countries worldwide. It caters to the education, healthcare, industrial, and research sectors.
Lambda Scientific Systems, Inc., founded in 2010 and situated in Richmond West, Florida, is a manufacturer and supplier specialising in physics lab equipment and experimental teaching apparatus. The company aims to furnish college educators and students with high-quality, dependable, user-friendly, and cost-effective lab equipment and scientific instruments. These tools empower hands-on learning and comprehensive instruction in fundamental and advanced physics principles. Its products include physics experimental kits, apparatus, spectroscopic equipment, and laboratory light sources. These resources cover a wide spectrum of subjects, including mechanics, heat & thermodynamics, electromagnetism, optics, and advanced physics.
Xylem Inc. was incorporated in 2011 and is headquartered in Washington, District of Columbia. Xylem engages in the design, manufacture, and servicing of engineered products and solutions for the water and wastewater applications across global markets. Xylem operates through three segments: water infrastructure, applied water, and measurement & control solutions. Xylem’s water infrastructure segment offers numerous products such as water pumps, filtration, disinfection, and biological treatment equipment. Xylem’s applied water segment distributes pumps, valves, heat exchangers, controls, and dispensing equipment systems. Xylem’s measurement & control Solutions segment offers devices such as smart meters, networked communication devices, data analytics, test equipment, controls, sensor devices, and software and managed services.
Labotronics Ltd., established in 2022 and headquartered in Hampshire, England, is a manufacturer that provides various equipment for various laboratories, industries, and research institutes. The company offers a wide range of products, including an anemometer, blood bank refrigerator, carbon residue apparatus, colony counter, microplate washer, and more. It also offers laminar flow cabinets, a microwave workstation, a flow cytometer, a thermal cycler, and more. Its sterilizer offers quick and efficient sterilization using cutting-edge dry heat technology. The company has achieved ISO 9001:2008 certifications for its quality management systems. It serves industries such as laboratories, healthcare and medical, and environmental testing.
Anton Paar, founded in 1933 and headquartered in Graz, Austria, is a manufacturer and supplier of analytical instruments Their product range includes density meters for measuring liquid and solid density, concentration meters for analyzing solution concentration, viscosity meters for assessing liquid viscosity, particle size analyzers for measuring particle size in liquids or solids, and chromatography systems for substance separation and identification in mixtures. Anton Paar's products cater to a wide range of industries, including food and beverage, pharmaceutical, and chemical, providing analytical solutions for diverse applications.
Atago Co., Ltd., established in 1940 and headquartered in Tokyo, Japan, is a manufacturer that specializes in the development and manufacturing of refractometers. The company’s product line includes pocket refractometer, digital hand held pocket refractometer, and Starr X Series. It also offers PAL-2, PEN Urine S, PAL-UREA, and PAL-1 BLT. Its refractometers are designed to be easy to use, even for individuals who are not familiar with refractometers. The company has achieved has achieved the Hazard Analysis and Critical Control Point certification. Its refractometers can be used in various industries, including food and beverage, medical, cosmetics, and chemicals.
Optika Italy, established in 1971 and headquartered in Ponteranica, Italy, is a manufacturer and supplier of microscopes and microscopy accessories. The company offers a range of products, including biological microscopes, stereo microscopes, polarizing microscopes, inverted microscopes, and digital cameras with software. These tools find application across diverse sectors such as education, research, industry, and medicine. All of its processes adhere to the Quality Management System, following the UNI EN ISO 9001 standard.
TOP Cloud-agri, founded in 2008 and based in Hangzhou, Zhejiang Province of China, is a manufacturer and designer of agriculture testing instruments. The company produces products such as weather monitor instruments, food safety instruments, flour and oil testing instruments, and general lab equipment. All the testing instruments made by the company are used in seed breeding, cleaning, storage, and water quality detection. The company holds 14 national invention patents, 20 appearance patents, 57 utility model patents, and 70 software copyrights with ISO 9 0 0 1, ISO 1 4 0 0 1, and ISO 4 5 0 0 1 certificates.
Xylem Analytics Germany Sales GmbH & Co. KG., established in 1914 and headquartered in Tunbridge Wells, Kent, United Kingdom, is a manufacturer and supplier of refractometers and polarimeters. The company's product range includes digital refractometers, polarimeters, Abbe refractometers, automatic refractometers, and portable refractometers, serving industries such as food and beverage, chemical, pharmaceutical, petrochemical, and environmental. Its services comprise design and engineering, testing and certification, supply chain management, and technical support. The company also holds an ISO 9001:2015 certification, reflecting its devotion to delivering quality refractometers and polarimeters.
Auxilab S.L., founded in 1985 in Zaragoza, Spain, is a manufacturer and supplier of lab equipment and scientific instruments. The company's extensive product lineup includes laboratory glassware, plasticware, and other essential tools utilized in various research, education, and industrial applications. Auxilab's products are integral for accurate experimentation and analysis in fields such as biology, and physics. Their product quality and precision ensure the advancement of scientific knowledge and creativity. The company also aims to serve the scientific community with ideal, quality equipment that supports research, learning, and discovery.
A.KRÜSS, since 1796, has been a manufacturer of high-precision analysis and laboratory instruments. The instruments are refractometers, polarimeters, density meters, flame photometers, and melting point meters. More products are circulating thermostats, gas analyzers, microscopes, spectroscopes, and spectral measuring instruments. The company in Germany is ISO 9001:2015 and 14001:2015 certified and provides services such as application consulting, product demonstration, calibration & adjustments, maintenance & repair, and installation with warranty extensions. The company has a pages campus with facts about density measurement, radioactivity, measuring methods, and optical devices.
Jambu Pershad & Sons, founded in 1946 and based in Ambala, India, is an ISO 9001:2015-certified manufacturer and supplier of lab and scientific instruments for schools, colleges, universities, and research laboratories for mathematics, biology, chemistry, and physics departments. The company's product range includes laboratory glassware, plasticware, weights and balances, microscopes, analytical instruments, and educational products. The company offers these products to its global customers under the brand name JAPSON. It also serves the medical, veterinary, dairy, industrial, and other sectors to meet the needs of customers in various Asian, African, Middle-East and European countries.
PCE Instruments UK Ltd., started in 199 and headquartered in Manchester, UK, is a manufacturer and supplier of test instruments, equipment, and tools for weighing, measuring, and control systems. The company offers more than 500 test equipment, including analyzers, inspection cameras, meters, detectors, and sensors, with applications in various fields like data acquisition, electrical engineering, environmental science, building inspection, and food processing. Its manufacturing and development division is ISO 9001 certified, all its test instruments, equipment, and tools are factory calibrated, and the company also provides services for custom test instrument design, installation, and maintenance.
Labomiz Scientific Ltd., Founded in the year 2007, is a manufacturer and global supplier of laboratory and scientific equipment. The company serves educational institutions and research laboratories worldwide. Labomiz's comprehensive range of laboratory equipment is designed to meet the needs of various industries and research fields. The company has established itself as a source for classy laboratory instruments, supported by a team of skilled professionals in marketing, sales, application, and support. Labomiz Scientific Ltd. continues to scientific advancements through its advanced and laboratory equipment offerings.
GENEQ, Inc., founded in 1972 and headquartered in Montreal, Quebec, Canada, is a manufacturer and distributor of testing and measuring equipment. Its diverse product portfolio includes precision balances used across various industries, water level sensors for environmental water analysis, thickness gauges for coatings inspection, refractometers aiding quality control in the food and beverage sector, and GNSS receivers for high-accuracy land surveying. Its products are sold mainly on the Quebec and Canadian markets, but also in the United States and worldwide.
Medline Scientific Limited., founded in 1992 and headquartered in Oxfordshire, United Kingdom, is a supplier and distributor of scientific equipment and laboratory consumables. The company's product portfolio includes analytical balances, biohazard bags, cryogenic freezers, flammable storage cabinets, and other scientific equipment. These products find applications in various industries, including healthcare, industrial, life sciences, biotechnology, and food and beverage. The company provides services including preventative maintenance, calibration, technical support, and refrigeration storage solutions. The company is certified with ISO 9001 and ISO 14001, and it represents brands such as Sonics, Genlab, Priorclave, Hanna Instruments, and others.
LabX, founded in 1995, is a supplier and buyer of new, refurbished, and used lab, electronic testing, scientific, medical, and process equipment. The equipment includes autoclaves & sterilizers, lab freezers, mass spectrometers, centrifuges, and balances for application in antibodies & reagents, bioprocess equipment, food testing, neuroscience, and materials science. The company, headquartered in Midland, Ontario, is a marketplace for areas such as analytical & lids science, clinical laboratory, semiconductor, and industrial processing. The company offers decision-making help to customers selling products and equipment shopping guides to buyers.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Lambda Scientific Systems, Inc. |
16.7%
|
| 2 | A.KRÜSS |
13.3%
|
| 3 | VEE GEE Scientific |
13.3%
|
| 4 | Heathrow Scientific |
6.7%
|
| 5 | Labomiz Scientific Ltd. |
6.7%
|
| 6 | GENEQ, Inc. |
6.7%
|
| 7 | LabShops.com |
6.7%
|
| 8 | LabX |
6.7%
|
| 9 | OPTIKA S.r.l. |
6.7%
|
| 10 | ATAGO CO.,LTD. |
6.7%
|
Derivation Method
The ranking is calculated based on the click share within the abbe refractometer page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
6 | 35.3% |
|
United Kingdom
|
3 | 17.6% |
|
Canada
|
3 | 17.6% |
|
Japan
|
2 | 11.8% |
|
Austria
|
1 | 5.9% |
|
Italy
|
1 | 5.9% |
|
India
|
1 | 5.9% |
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