The butyro refractometer is a tool used to calculate a substance's refractive index. It is a lightweight, portable equipment that may be used both in the lab and out in the field. Our offering is used to determine the refractive indices of a wide range of substances, including liquids, solids, and gases. Everyone who wants to determine a substance's refractive index should have a butyro refractometer on hand. It aids in testing the purity of foods like ghee, sweets, fats, and oils.