Polarimeter Digital: Readout: 3½ digit LED display for degrees measurement Detection of angle of rotation: ± 200 ( - for levo and + for dextro ) Resolution: 0.1°, Accuracy: ± 0.1°, Light source: Monochromatic light (620 nm), Weight: 4 Kg (approx.), Dimension: 150 mm (H) x 290 mm (D) x 400 mm (L), Sample tube: PVC Material 10 cm & 20 cm Accessories: Screwdriver and Dust proof cover