* 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.
* It consist of electronically controlled variable speed electronic motor with timing belt driven mechanism.
* Speed controller is provided to control the speed of stirrers from 5 to 150 RPM.
* Stainless Steel are provided.
* Having 25 cm diameter clear Perspex rotating drum with ribs , in a clear Perspex tank.
* A resettable mechanical counter( Single Chamber).
* Single Chamber with Digital Temp. Indicator, Digital Timer/ Counter.