[ad_1] Refractometers measure the refractive index of gases, liquids, and translucent solids. There are four types: analog, digital, laboratory or Abbe, and online. They are used in winemaking, sugar production, veterinary medicine, and marine aquarists. Calibration is important for accurate readings. A refractometer is an instrument used to measure the refractive index of gases, liquids […]