ABBE REFRACTOMETER :
Designed for accurate and quick examination of the
The body of the instrument is fixed having a leaning of 60, correct refractive index and sugar percentage can be read directly in the field.
It consists of abbe double prism compensator , telescope mirro limb, graduated, sector, reading, magnifier and a radial arm which carries a vernier. Abbe's double prisms leaves a narrow space ( about 0.1mm) between the adjoining faces of prisms and compensator consists of the amici prisms which serves for rendering the line of achromatic seperation. A thermometer is fitted on the double prism.