Auto Refractometer Includes Built-in Peltier Precise Temperature Control System And High-performance CCD Light-sensitive Part, Can Accurately And Efficiently Complete Sample Analysis Tests Through Exclusive Signal Acquisition, Analysis And Processing Technology. REF-A65 Can Automatically Measure The Refractive Index (nD) Of Transparent Or Translucent Liquids And Mass Fraction (Brix) Of Sugar Solution, Is Accurate, Reliable, Quick, Easy For Operation, And So On.