We provide benchtop refractometer, a versatile laboratory instrument used for measuring the refractive index of liquids, offering precise insights into their composition, concentration, and purity. It typically features a compact design suitable for laboratory countertops and workbenches, equipped with a sample well, light source, and a user-friendly interface. Our benchtop refractometers are essential tools for researchers and professionals, facilitating rapid and non-destructive analysis of liquid samples to ensure product quality and compliance with industry standards.
Measuring range |
1.3000 Nd ~ 1.7000 Nd |
Stability of temperature control |
RT |
Temperature control range |
RT |
Sugar range (brix degrees) |
0 ~ 100 % |
Measuring range |
1.3000 Nd ~ 1.7000 Nd |
Stability of temperature control |
± 0.03 ℃ |
Temperature control |
Built-in semiconductor |
Temperature control range |
5 ℃ ~ 65 ℃ |
Measuring range |
1.30000 Nd ~ 1.70000 Nd |
Stability of temperature control |
± 0.02 ℃ |
Temperature control |
Built-in semiconductor |
Temperature control range |
5 ℃ ~ 65 ℃ |
Measuring range |
1.30000 Nd ~ 1.70000 Nd |
Stability of temperature control |
± 0.01 ℃ |
Temperature control |
Built-in semiconductor |
Temperature control range |
5 ℃ ~ 90 ℃ |
Our Adblue (or Diesel Exhaust Fluid) refractometer is a specialized optical device used primarily in the automotive and transportation industry to measure the concentration of urea in Adblue, a diesel engine exhaust fluid. It operates by analyzing the refractive index of the fluid, which is directly proportional to the urea concentration. These refractometers are essential tools for ensuring the correct mixture of Adblue, which is critical for reducing emissions and meeting emissions standards in diesel vehicles. They provide precise measurements, allowing users to maintain the optimal urea concentration to effectively reduce harmful nitrogen oxide (NOx) emissions, making them indispensable for fleet maintenance, automotive repair, and compliance with environmental regulations.
Measurement Range |
0 % ~ 40 % |
Minimum division |
0.002 |
Accuracy |
± 0.2 % |
Our alcohol & grape refractometer is a specialized optical instrument used in winemaking and viticulture to measure the sugar content, often expressed as Brix, in grape juice or grape must, which is a crucial parameter in determining grape ripeness and potential alcohol content in wine. It operates by measuring the refractive index of the grape juice due to its sugar content. By providing accurate Brix readings, winemakers can make informed decisions about when to harvest grapes for optimal wine quality. These refractometers are essential tools for vineyard management, grape growers, and winemakers to ensure the grapes are harvested at the right time for producing high-quality wines with the desired alcohol levels and flavors.
Measurement range |
0 % ~ 25 % Vol |
Minimum division |
0.2 % Vol |
Accuracy |
± 0.20% |
Length |
30 x 40 x 160 mm |
Measurement range |
0 % ~25 % Vol
0~40 % Brix |
Minimum division |
0.2 % Vol
0.2 % Brix |
Accuracy |
± 0.2 % Vol
± 0.2 % Brix |
Length |
31 x 40 x 160 mm |
Measurement range |
0 % ~ 25 % Vol
0~20 Beº |
Minimum division |
0.2 % Vol
0.2 % Brix |
Accuracy |
± 0.2 % Vol
± 0.2 % Brix |
Length |
32 x 40 x 160 mm |
Measurement range |
0 % ~60 %
60~80 %
W/W |
Minimum division |
1% |
Accuracy |
1%
2.5% |
Length |
33 x 40 x 160 mm |
Labotronics beer brewing refractometer is a specialized optical instrument designed for the brewing industry, allowing brewers to measure the sugar content, often expressed as Brix, in wort during the brewing process. It operates by measuring the refractive index of the wort due to its sugar concentration, which provides insights into the potential alcohol content and fermentation progress. By offering real-time Brix readings, brewers can monitor the sugar conversion and make precise adjustments to ensure the desired alcohol level and flavor in the final beer. These refractometers are indispensable tools for homebrewers and professional brewers, helping them optimize the brewing process, enhance quality control, and produce beer with consistent and desired characteristics.
Measurement range |
Brix:0 % - 32 %
Wort SG:1.000-1.120 |
Minimum division |
Brix: 0.1 %
Wort SG: 0.001sg |
Accuracy |
Brix: 0.1 %
Wort SG: 0.001sg |
Dimension |
30 × 40 × 170 mm |
Our brix refractometer is a specialized optical instrument designed for measuring the sugar concentration, often expressed as degrees Brix, in liquid samples, particularly in the food and beverage industry. It operates by assessing the refractive index of the sample, which is directly correlated to its sugar content. These compact and portable devices are equipped with a sample well, optics, and a user-friendly interface. They provide fast and accurate Brix readings, making them indispensable tools for quality control and monitoring sugar levels in various applications, including fruit juice, wine, soft drinks, and the production of syrups and jams.
Measuring Range |
0 % ~ 10 % Brix |
Minimum Division |
0.1 % Brix |
Accuracy |
± 0.10 % |
ATC Compensation Range |
10 °C ~ 30 °C |
Measuring Range |
0 % ~ 20 % Brix |
Minimum Division |
0.20 % Brix |
Accuracy |
± 0.15 % |
ATC Compensation Range |
10 °C ~ 30 °C |
Measuring Range |
0 % ~ 32 % Brix |
Minimum Division |
0.20 % Brix |
Accuracy |
± 0.2 % |
ATC Compensation Range |
10 °C ~ 30 °C |
Measuring Range |
28 % ~ 62 % Brix |
Minimum Division |
0.20 % Brix |
Accuracy |
± 0.2 % |
ATC Compensation Range |
10°C ~ 30°C |
Labotronics Clinical Refractometers are designed for measuring the refractive index of fluids in medical and laboratory settings. They provide precise readings for the concentration of proteins, glucose, and other substances in bodily fluids, leading to accurate medical assessments. They feature automatic temperature compensation, ensuring accuracy in different environmental conditions. Our refractometers incorporate advanced optics that provide clear, easy-to-read results, enhancing workflow efficiency.
Measurement range |
0 ~ 12 g / dl
1.000 ~ 1.050 sg
1.3300 RI ~ 1.3600 RI |
Minimum division |
0.2 g / dl
0.005 sg
0.0005 RI |
Accuracy |
± 0.2 g/ dl
± 0.005 sg
± 0.0005 RI |
Length |
160 mm |
Measurement range |
0~12 g / dl
1.000~1.050 sg |
Minimum division |
0.2 g /dl
0.002 sg |
Accuracy |
± 0.2 g/ dl
± 0.002 sg |
Length |
160 mm |
Our emulsion oil refractometer is a specialized optical instrument commonly used in industries such as food, cosmetics, and pharmaceuticals for measuring the refractive index of oil-in-water or water-in-oil emulsions. It operates by assessing the refractive index of these complex mixtures, which is influenced by the composition and concentration of the components. Equipped with precision optics, a sample well, and a digital interface, emulsion oil refractometers provide accurate and rapid measurements, helping manufacturers and quality control personnel ensure the consistency and quality of emulsion-based products such as creams, lotions, salad dressings, and more.
Measurement range |
0 % ~ 15 % M-10
0 ~ 15 % MDT |
Minimum division |
0.5 %
0.5 % |
Accuracy |
± 0.1 %
± 0.001 RI |
Length |
30 × 40 × 170 mm |
Our fluid refractometer is a versatile optical instrument used for measuring the refractive index of various liquid samples. It operates by analyzing the way light is bent as it passes through a liquid, providing insights into the sample's composition, concentration, and purity. These refractometers come equipped with precision optics and a user-friendly interface, offering quick and accurate readings across a wide range of applications, including chemistry, food and beverage quality control, pharmaceuticals, and industrial processes. Fluid refractometers are essential tools for researchers, quality control professionals, and product developers, helping them ensure product quality, consistency, and compliance with industry standards while streamlining analysis and quality assurance processes.
Measurement Range |
Ethylene Glycol: -50°C to 0°C
Propylene Glycol: -50°C to 0°C
Battery Fluids: 1.100 to 1.400 sg |
Minimum Division |
Ethylene Glycol: 1°C
Propylene Glycol: 1°C
Battery Fluids: 0.01 sg |
Accuracy |
Ethylene Glycol: ± 1°C
Propylene Glycol: ± 1°C
Battery Fluids: ± 0.01 sg |
Dimension (Length) |
200 mm |
Measurement Range |
Ethylene Glycol: -60°C to 0°C (0 to 66.6 %)
Propylene Glycol: -50°C to 0°C (0 to 62.4 %)
Battery Fluids: 1.100 to 1.400 sg |
Minimum Division |
Ethylene Glycol: 5°C
Propylene Glycol: 5°C
Battery Fluids: 0.01 sg |
Accuracy |
Ethylene Glycol: ± 5°C
Propylene Glycol: ± 5°C
Battery Fluids: ± 0.01 sg |
Dimension (Length) |
200 mm |
Measurement Range |
Urea: 30% to 35%
Ethylene Glycol: -50°C to 0°C
Propylene Glycol: -50°C to 0°C
Cleaning Fluids: -40°C to 10°C
Battery Fluids: 1.100 to 1.400 sg |
Minimum Division |
Urea: 0.5°C
Ethylene Glycol: 5°C
Propylene Glycol: 5°C
Cleaning Fluids: 5°C
Battery Fluids: 0.01 sg |
Accuracy |
Urea: ± 0.5°C
Ethylene Glycol: ± 5°C
Propylene Glycol: ± 5°C
Cleaning Fluids: ± 5°C
Battery Fluids: ± 0.01 sg |
Dimension (Length) |
200 mm |
Measurement Range |
Ethylene Glycol: - 60 °F to 32 °F/-50°C to 0 °C
Propylene: - 60°F to 32 °F /-50°C to 0 °C
Battery Fluids: 1.10-1.40 sg |
Minimum Division |
Ethylene Glycol: 10°F/ 5°C
Propylene: 10°F/ 5°C
Battery Fluids: 0.01sg |
Accuracy |
Ethylene Glycol: ± 10 °F/ ± 5 °C
Propylene Glycol: ± 10 °F/ ± 5 °C
Battery Fluids: ± 0.01 sg |
Length |
200 mm |
Labotronics honey refractometer is a specialized optical instrument used in the beekeeping and food industry to determine the moisture content and quality of honey. It operates by measuring the refractive index of honey, which is directly related to its sugar concentration and water content. These portable and easy-to-use devices are equipped with a sample well, precision optics, and a clear scale for quick and accurate measurements. Our honey refractometers are invaluable tools for beekeepers and honey producers, ensuring the quality and purity of honey products by allowing them to monitor and control moisture levels. By accurately assessing the moisture content in honey, these refractometers assist in achieving the desired taste, texture, and shelf life, making them essential for maintaining high-quality honey production standards.
Measurement range |
58 % ~ 90 % Brix
38 ~ 43 Be
10 % ~ 33 % water |
Minimum division |
1 % Brix
0.5 Be
1 % water |
Accuracy |
± 1 %
± 0.5 Be
± 1 % water |
Length |
140 mm |
Measurement range |
13 % ~ 25 %Water |
Minimum division |
0.1 % water |
Accuracy |
0.1 % water |
Length |
140 mm |
Our industrial fluid refractometer is a precision optical instrument designed for the manufacturing and industrial sector, used to measure the refractive index of various fluids and solutions. It operates by analyzing the way light passes through a sample, offering insights into its composition, concentration, and quality. These robust devices are built to withstand harsh industrial environments and are equipped with high-precision optics, digital displays, and often temperature compensation features for accurate readings.
Measurement range |
0-10 % Brix |
Minimum division |
0.1 % Brix |
Accuracy |
± 0.10% |
Size |
200 mm |
Measurement range |
0-18 % Brix |
Minimum division |
0.1 % Brix |
Accuracy |
± 0.10% |
Size |
200 mm |
Measurement range |
0-32 % Brix |
Minimum division |
0.2 % Brix |
Accuracy |
± 0.20% |
Size |
200 mm |
Labotronics milk refractometer is a specialized optical instrument used primarily in the dairy industry to assess the quality and composition of milk. It operates by measuring the refractive index of milk, which is influenced by parameters like fat and solids content. These portable and user-friendly devices are equipped with precision optics and a clear scale, offering quick and accurate measurements of milk samples. Our milk refractometers are crucial tools for dairy farmers and milk processors, enabling them to monitor and control the fat content and solids levels in milk, helping ensure product quality, adherence to industry standards, and proper compensation for dairy producers.
Measurement range |
0 % ~ 20 % milk |
Minimum division |
0.2 % milk |
Accuracy |
± 0.1 % |
Dimension |
30 x 40 x 160 mm |
We provide an Oechsle & Brix refractometer, a specialized optical instrument used predominantly in winemaking and viticulture to measure the sugar content, often expressed in degrees Oechsle or Brix, in grape juice or must. This device operates by assessing the refractive index of the juice or must, which correlates directly with the sugar concentration, a key factor in determining grape ripeness and potential alcohol content in wine production. Equipped with precise optics and a clear scale, Oechsle Brix refractometers provide quick and accurate readings, allowing winemakers to make informed decisions about the optimal time to harvest grapes for achieving the desired wine characteristics and ensuring the production of high-quality wines with the appropriate sugar levels and flavor profiles.
Measurement range |
0 - 140 °Oe
0 - 25 KMW
0 – 32 % Brix |
Minimum division |
1°Oe
0.2KMW
0.2 % Brix |
Accuracy |
± 1°Oe
± 0.2KMW
± 0.2 % Brix |
Length |
200 mm |
Measurement range |
0 - 140 °Oe
0 – 32 % Brix |
Minimum division |
1°Oe
0.2 % Brix |
Accuracy |
± 1°Oe
± 0.2 % Brix |
Length |
200 mm |
Measurement range |
30 - 140 °Oe
0 – 32 % Brix |
Minimum division |
1°Oe
0.2 % Brix |
Accuracy |
± 1°Oe
± 0.2 % Brix |
Length |
200 mm |
Measurement range |
0 - 190 °Oe
0 - 38 KMW
0 – 44 % Brix |
Minimum division |
2°Oe
0.2KMW
0.5 % Brix |
Accuracy |
± 2°Oe
± 0.2 KMW
± 0.5 % Brix |
Length |
200 mm |
Our salinity refractometer is a specialized optical instrument used to measure the concentration of salt in water or other aqueous solutions. It operates by analyzing the refractive index of the sample, which changes with the salt content. These compact and portable devices are equipped with a sample well, precision optics, and a clear scale, allowing for quick and accurate measurements of salinity. Salinity refractometers are crucial tools in various applications, including marine biology, aquarium maintenance, environmental monitoring, and the food industry, ensuring the appropriate salt levels in water for specific purposes and helping maintain the health and safety of aquatic environments and the quality of saline solutions in industrial processes.
Measurement range |
0 % ~ 100 ‰ Salinity
1.000 ~ 1.070 SG |
Minimum division |
1 % Salinity
0.001 SG |
Accuracy |
± 1 %
± 0.001 SG |
Dimension |
30 x 40 x 205 mm |
Measurement range |
0 % ~ 28 % Salinity |
Minimum division |
0.2 % Salinity |
Accuracy |
± 0.2 % |
Dimension |
30 x 40 x 205 mm |
Measurement range |
0 % ~ 28 %Salinity
0 ~32 % Brix |
Minimum division |
0.002 |
Accuracy |
± 0.2 % |
Dimension |
30 x 40 x 205 mm |
Measurement range |
0 % ~40 ‰ salinity (ppt)
1.000 ~ 1.030 SG |
Minimum division |
1 ‰ ppt |
Accuracy |
± 0.001 SG |
Dimension |
30 x 40 x 205 mm |
Our soya bean milk refractometer is a specialized optical instrument designed for the food and beverage industry, particularly in the production of soya milk. It operates by measuring the refractive index of soya bean milk, which is influenced by parameters like sugar and solids content. These portable and user-friendly devices are equipped with precision optics and a clear scale for quick and accurate measurements of soya bean milk samples. Our soya bean milk refractometers are essential tools for manufacturers and quality control personnel, enabling them to monitor and control the concentration of ingredients like soy solids and sugars in the milk, ensuring product quality, adherence to industry standards, and the consistency of soya milk production.
Measurement Range |
0 % ~ 32 % Brix
0 % ~ 25 % Bean juice |
Minimum Division |
0 % ~ 32 % Brix
0 % ~ 25 % Bean juice |
Accuracy |
± 0.2 %
± 0.5 % |
Dimensions |
30 x 40 x 160 mm |
Our portable refractometers are compact and versatile optical instruments used for measuring the refractive index of liquids, offering quick and precise insights into the composition and concentration of various samples. Designed for on-the-go or field applications, these handheld devices feature a sample well, precise optics, and a user-friendly interface, making them ideal for use in diverse industries such as food and beverage, agriculture, automotive, and pharmaceuticals. They enable quality control, process monitoring, and quick assessments of sample properties, such as sugar content, concentration, and purity, with ease and efficiency.
Brix range |
0 % ~ 35 % |
Refractive index range |
1.333 ~ 1.3900 |
Temperature range |
0 °C ~ 40 °C |
Temperature precision |
± 0.5 °C |
Brix range |
0 % ~ 45 % |
Refractive index range |
1.333 ~ 1.4098 |
Temperature range |
0 °C ~ 40 °C |
Temperature precision |
± 0.5 °C |
Brix range |
28 % ~ 65 % |
Refractive index range |
1.377 ~ 1.4535 |
Temperature range |
0 °C ~ 40 °C |
Temperature precision |
± 0.5 °C |
Brix range |
58 % ~ 92 % |
Refractive index range |
1.4370 ~ 1.5233 |
Temperature range |
0 °C ~ 40 °C |
Temperature precision |
± 0.5 °C |
Our Digital Refractometer stands as a specialized instrument meticulously crafted for measuring refractive indexes within the expansive range of 1.3000 to 1.7000 ND across various substances. Its cutting-edge design incorporates a high-performance sensor and advanced temperature control mechanisms, enabling precise measurements of both refractive index (Nd) and sugar content (Brix) in an array of liquids. This device guarantees accuracy not only in transparent and translucent substances but also in dark and viscous liquids. Its adaptability makes it an invaluable tool across industries where precise refractive index and sugar content measurements are imperative. Whether dealing with liquids of varying opacities or consistencies, these ensure reliable and consistent readings, providing a versatile solution for quality control in diverse applications.
Measuring range |
1.30000 to 1.70000 (ND) |
Resolution |
0.0001 (ND) |
Precision |
±0.0002 |
Operating mode |
Refractive index /sugar content |