At ATAGO, we have a rich history that spans over six decades, where we’ve dedicated ourselves to the study of optics, precision, and innovation. Our journey started 65 years ago, and since then, we have been at the forefront of developing, manufacturing, and marketing refractometers. This year, we are thrilled to introduce our latest masterpiece, the “MASTER Hand-Held Refractometer Series.”

In-Line Refractometers Applications


Many drinks have around 10g of sugar per 100g, excluding tea and sports drinks. In-line meters measure sugar levels and concentration (Brix). They are used in blending equipment for mixing raw materials and water, and for a pass/fail check on products before filling.


Beer, created with malt, hops, yeast, and water, is loved worldwide for its unique hop aroma and fizzy bubbles. Ales and lagers, each with a distinct flavor influenced by brewing methods and yeast, are the main types. In the production process, in-line refractometers ensure high-quality beer, contributing to its lasting popularity.


Most of countries such as Japan are often surprised by the excellent taste of canned coffee, and in various production stages, in-line refractometers are used to ensure this high quality is maintained.

Gelatin & Gummy Candies

Originally, it’s a sweet blend of fruit juice, gelatin, and sugar. Variations come to life by adding ingredients like fruit, spices, and acidulants. Processed gelatin, monitored by in-line refractometers in the production process, is used to create popular treats like jelly beans and gummy candies, ensuring consistent high quality.

Soy Milk & Tofu

Tofu is nutrient-rich, and soy milk, obtained by boiling and crushing soybeans, contains high-quality, nutritious protein. The well-known beautifying effects of soybeans’ isoflavones are recognized globally. In the production process, in-line refractometers are used to maintain high quality for these products.

Tomato Puree

Tomatoes are super nutritious, known for boosting strength, especially during ripening season. Tomatoes’ sweet and sour balance is simply irresistible. Tomato purée, made by crushing and straining tomatoes can serve as a key ingredient for making ketchup, with the help of in-line refractometers.


Too much salt can lead to health issues, but salt is crucial for bodily functions like regulating moisture and aiding digestion. It’s essential for taste, enhancing flavor in dishes. In making salt products, in-line refractometers are used to maintain quality.


Vinegar is good for the body and comes in various types like grain vinegar and fruit vinegar. It offers several health benefits, including relief from constipation, prevention of high blood pressure, appetite stimulation, fatigue reduction, and anti-microbial effects. In making vinegar products, in-line refractometers ensure high quality.

Wastewater / Effluent Water

Producing goods naturally results in wastewater. In food-related industries, there’s wastewater from refining sugar, making beverages, and cleaning solutions. In the production process, in-line refractometers are used to maintain high product quality while managing waste fluids.

Surface Treatment Agents

Treatments include cleaning, polishing, etching, and coating. To ensure maximum effectiveness, surface treatment must be done with consistent concentration. In this process, using in-line refractometers to check and maintain the usual concentration is crucial for high-quality results.


Dimethylformamide (DMF) is widely used in forming acrylic fibers and as a solvent for wet spinning. It serves as a solvent for making artificial leather and urethane-based synthetic leather. In the production process, in-line refractometers ensure consistent quality for products involving DMF.

White Mold Release Agent

In making products like cast-metal objects, a “release agent” chemical helps in easy removal from the mold. It’s crucial to control the concentration of release agents for various benefits. Managing the concentration with in-line refractometers in the process not only prevents defects and errors but also improves productivity.

Hydrogen Peroxide and Sodium Hydroxide

Many products are aseptically packaged to preserve food like milk, desserts, and drinks for a long time. Various containers are used, and in the beverage bottling process, even in glass, plastic, and cans, hydrogen peroxide is sprayed into the container for sterilization. In-line refractometers are vital to maintain the right sterilization concentration.


Resists may go unnoticed in everyday life, but in the manufacturing process of electronic devices like PCBs, semiconductors, LCDs, and printed materials, in-line refractometers play a crucial role. These devices are vital for modern technologies like PC monitors, tablets, and LCD TVs, actively contributing to the ongoing advancement of this market.

Plating Solutions (Sulfuric Acid)

Plating is widely used in everyday items like smartphones, tablets, PCs, automobiles, and accessories. Plating serves various roles, enhancing appearance, corrosion resistance, and abrasion resistance for improved function and performance. In maintaining high quality, in-line refractometers are used in the production process of plated products.

Reliability That Matters

Our legacy is one of dedication to precision and a deep understanding of optical technology. We have honed our expertise over the years, making ATAGO a trusted name in the industry. Our commitment to innovation and quality has been unwavering, and we are excited to bring our newest creation to the world.


In-Line Brix-Monitor

In-line model can be incorporated into the piping of manufacturing plants, liquid mixing devices, and washing

Inline Process Refractometers

ATAGO’s inline refractometer meets the safety and health standard institutions EHEDG and 3-A Sanitary Standards requirement for instrumentation’s wetted parts surface

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