* Examine Refractive index.
* Examine Mean dispersion of liquids, solids and powder.
* ND Range:ND 1.300 to ND 1.700 in step of 0.001; Accuracy:0.0002.
* Speed is regulated by a speed control device.
* Short eccentric stroke motor imparts vigorous agitation to the tubes or flasks.
* Body is strong and finished in stoving enamel paint.