Application: Polarimeter is an instrument which measures the optical rotation of substances. It can be used in analyse the concentration, content & purity of substances. * Agriculture: Analysis the content of Agriculture Antibiotics, Farm Hormone & Microbial Pesticides. * Medicine: Analysis Antibiotics, Vitamins, Glucose & Chinese Herbal Medicine or Pharmacological Research. * Food: Sugar, MSG, Soy Sauce Production Control & Inspection. * Oil: Analysis Mineral Oil, Monitoring Petroleum Fermentation. * Perfume: Analysis Essential Oils. * Health: Analysis Hospital Clinical Diabetes. * Science & Education: Institutions of higher learning and scientific research departments, scientific research and experimental testing. Technical Specifications: Model WXG-4 Measurement Range: -180° ~ + 180° Scale Value : 1° Vernier: 0.05° Magnifier: 3X Transmittance: 1% Light Source: Sodium Lamp plus Filter, Wavelength 589.44nm Sample Tube: 100mm, 200mm Power Supply: 220VAC/ 50Hz Packing Size & Weight: 500( L) mm× 135( W) mm× 330( H) mm & 6.5kg