What are the differences between a digital sugar meter and a handheld refractometer
A digital sugar meter is used to quickly measure the concentration or refractive index of sugar containing solutions and other non sugar containing solutions. Widely used in industrial sectors such as sugar making, food, beverages, and agricultural production and research. Suitable for measuring the concentration of various sauce (seasoning) products such as soy sauce and tomato sauce; Suitable for measuring the sugar content of products with high sugar content such as jam, syrup, etc; Suitable for the production line, quality management, and pre shipment inspection of fruit juice, cool beverages, and carbonated beverages; Suitable for the process of fruit cultivation and sales, it can be used to determine accurate harvest time and classify sweetness. In addition, the concentration measurement of pulp in the textile industry has also been widely applied.
The design principle of a sugar meter: When light enters one medium from another, it produces refraction, and the ratio of the incident angle sine is constant, which is called the refractive index. The content of soluble solids in fruit and vegetable juices is directly proportional to the refractive index under certain conditions (at the same temperature and pressure). Therefore, measuring the refractive index of fruit and vegetable juices can determine the concentration (sugar content) of the juice. The commonly used instruments are handheld refractometers, also known as sugar mirrors or handheld sugar meters. By measuring the soluble solid content (sugar content) of fruits and vegetables, the quality of fruits and vegetables can be understood, and the maturity of fruits can be estimated approximately. A handheld sugar meter is usually cylindrical in shape. Place the sugar solution to be measured in a slot that can be opened at the back, spread it evenly, close the lid, and then point the sugar meter towards the light. Looking through the hole in the front, you can read it.
1、 Digital display sugar meter:
The digital sugar meter is used for convenient and rapid determination of weight percentage concentration or refractive index in sugar containing solutions. Widely used in industrial sectors such as sugar making, food, beverages, and agricultural production and research.
Working principle: The sugar meter mainly utilizes the phenomenon of refraction when light enters one medium from another, and the ratio of the incident angle sine is constant, which is called the refractive index. The refractive index of a sugar solution can be determined by measuring the content of soluble substances in the sugar solution in direct proportion to the refractive index in a normal environment. This allows the sugar concentration to be calculated using a sugar meter/refractometer.
2、 Handheld refractometer
A handheld refractometer is an instrument that can measure the refractive index nD and average dispersion nF-Nc of transparent, semi transparent liquids or solids (with the main focus on measuring transparent liquids). If a thermostat is connected to the instrument, the refractive index ND can be measured at temperatures ranging from 0 to 70. Refractive index and average dispersion are one of the important optical constants of a substance, which can be used to understand its optical properties, purity, concentration, and dispersion size. Due to the handheld refractometer instrument being able to measure the percentage of sugar concentration in sucrose solution, the handheld refractometer has a wide range of applications and is one of the indispensable and commonly used equipment in factories, schools, and research institutions related to the petroleum industry, oil and fat industry, paint industry, food industry, daily chemical industry, sugar industry, and geological survey
