Abbe Refractometer PI-482

A Standard and accurate model of Abbe Refactrometer for measurement of refractive index, dispersion and suger concentration scale reading upto third decimal, but can be easily estimated to the fourth decimal place complete in wooden box.

Measuring Range1.3000 to nD1.7000
Accuracy 0.0001
Sugar percentage 0 to 95% in steps or 1 div.
Dispersion 0.0005