Laboware is presenting the product best in quality, Designed for accurate and quick examination of the (a) Refractive index (b) Mean dispersion of liquids, solids and powder. ND Range:ND 1.300 to ND 1.700 in step of 0.001; Accuracy:0.0002. Sugar(Percentage):0 to 95% in steps of 1 division. Accuracy:0.5% Temperature:0-1000C The body of the instrument is fixed having a leaning of 600, correct refractive index and sugar percentage can be read directly in the field.It consist of a abbe double prism compensaor, telescope mirror limb, graduated sector, reading magnifier and a radial arm which carries a vernier.Abbe double prisms leaves a narrow space(about 0.1mm.) between the adjoining faces of prism and compensator consists of the amici prisms which serves for rendering the line of achromatic separation. A thermometer is fitted on the double prism.