... Automatic Refractometer, Abbe Refractometer, PH/DDS/TDS Meter, Incubator, shaker, Hotplate, Mixer, PCR, Oven, etc.Manual Polarimeter AE-WXG-4 ... Medicine: Analysis Antibiotics, Vitamins, Glucose & Chinese Herbal Medicine or Pharmacological Research.² Food: Sugar, MSG, Soy Sauce Production ... and experimental testing.Technical Specifications: ModelWXG-4 Measurement Range-180°~+180°Scale Value1°Vernier0 ...