Designed fro quick and accurate measuring system by using few drops of liquid. This instruments quite suitable for education and training institute, industries. Suitable for testing and control of quality of oils, sugar, paraffins, waxes, animal and plant fats, glicrin, alcohol etc. Measuring range refractive index nD 1.300 to nD1.700. Sugar percentage scale 0 to 95 % Brix. Attachable thermometer 0-50 degree standard glass plate having reflective index 1.509 and contact solution for standardization. Aluminum alloy casted body rigid in construction. Plywood packing case, instruction manual, dust cover.