The difference between digital sugar meter and hand-held refractometer
　　 Digital densitometers are used to quickly determine the concentration or refractive index of sugar-containing solutions as well as other non-sugar solutions. Widely used in sugar, food, beverage and other industrial sectors and agricultural production and research. Applicable to the concentration measurement of soy sauce, ketchup and other sauces (seasoning) products; applicable to the measurement of sugar content of jams, sugar syrups and other sugar-containing products; applicable to the production line of juices, refreshing beverages and carbonated beverages, Quality management, pre-delivery inspection, etc.; applicable to the process from fruit planting to sale, it can be applied to determine the exact harvest time, for sweetness classification classification. In addition, the determination of the concentration of the slurry in the textile industry has also gained widespread application.
The design principle of the calorimeter is that when light enters from one medium to another medium, refraction occurs, and the ratio of the sine of the incident angle is constant, and this ratio is called the refractive index. The content of soluble solids in fruits and vegetables juice is proportional to the refractive index under certain conditions (the same temperature and pressure). Therefore, the refractive index of fruit and vegetable juices can be determined to determine the concentration of fruit and vegetable juices (the amount of sugar). Commonly used instruments are hand-held refractometers, also known as sugar mirrors, hand held sugar meters, through the determination of soluble solids content of fruits and vegetables (sugar content), can understand the quality of fruits and vegetables, about the estimated fruit maturity. The hand-held sugar tester is generally cylindrical. Put the sugar liquid to be tested into the openable trough, wipe it evenly, close the lid, and then look at the glucometer in front of the light to see the reading.
　　 The difference between digital sugar meter and hand-held refractometer:
First, the number of sugar meter:
A digital sugar meter is used to conveniently and quickly determine the weight percentage or refractive index in a sugar-containing solution. Widely used in sugar, food, beverage and other industrial sectors and agricultural production and research.
How it works: The use of light from one medium to another medium produces a refraction phenomenon, and the ratio of the sine of the incident angle is constant. This ratio is known as the refractive index. The content of soluble substance in the sugar solution and the refractive index are proportional to the ordinary environment, and the refractive index of the sugar solution can be determined, so that the sugar meter/refractometer can calculate the concentration of sugar.
Second, handheld refractometer
Hand-held refractometers are instruments that measure the refractive index nD and average dispersion nF-nC of transparent, translucent liquids or solids (of which transparent liquids are predominant). If the thermostat is connected to the instrument, the refractive index ND within the range of 0 to 70 can be measured. The refractive index and the average dispersion are one of the important optical constants of a substance, and can be used to understand the optical properties, purity, concentration, and dispersion size of the substance. Because hand-held refractometer instruments can measure the concentration of sugar content in sucrose solution, hand-held refractometers have a wide range of applications. They are the petroleum industry, the oil industry, the paint industry, the food industry, the daily chemical industry, and the sugar industry. One of the indispensable common equipments for industrial and geological surveys, such as factory schools and research institutes.
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