Automatic Polarimeter Is The Basic Scientific Instrument Used To Measure Angle Of Rotation, Specific Optical Rotation Of Optically Active Substance. Measuring Range: -45° To +45°, Accuracy: +0.02°, Reproducibility: ±0.01°, Resolution: 0.005°, Light Source: Sodium Lamp, Optical Wavelengths: 589.44nm, Stable Time: 5 Minutes, Tube Length: Up To 200mm, Power Requirements: 220VAC/50Hz, Dimensions: BOO(L) X 300(W) X 200(H)mm, Weight: 25kg