Description Overview GAOTek disc polarimeter is a scientific instrument used to measure the optical rotation of a substance. It consists of a polarizer, a sample tube, an analyzer, and a light source. The sodium Na lamp refers to a specific light source that emits yellow light with a wavelength of approximately 589 nanometers. Features Easy Measurement Specific Optical Rotation Measurement Purity Measurement Concentration measurement International Sugar Scale Technical Specifications Measurement /- 180 degree Magnifier 4X Scale Value 1 degree Stable Time 10 mins Power Requirements 220 V only
