The Hand Held Refractometers are specially designed for measuring the concentration of many kinds of solution listed as following: Juices、Beverages、Honey、 Salt water、Brine、Cleaning fluid、battery fluid、Antifreeze and Industrial fluids etc. And they can also test for the proportion of the water-soluble solution. They can be easily used and they are competitive in price. You only need to drop some water on the prism and then make it towards to the sunlight. Then the reading of the concentration will appear. And ATC means automatic temperature compensation.

Digital Refractometer is a kind of digit product based on the hand-held refractometer. The gigit can be displayed. Comparing with the hand-held refractometer, it is more intuitionistic and accutate. It is equipped with ATC.

This instrument is designed for the measurement of refractive index(nD) and the average optical dispersion(NF-NC) of the transparent, the semitransparent and the solid matter (mostly transparent). It was connect with a circulating thermostatic bath, can measure the refractive index in 0℃~50℃. It also measures the Brix percentage of sugar solution[(0-95)℃ which is equal to th refractive index1.333-1.531]. It was widely used in oil industry, fat industry, pharmaceutical factories, paint, food processing, chemistry, sugar refineries, geologic etc., and relative factories, school and research center. 

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