Food and beverage processing and production: Measuring the Brix content of the liquid in the factory production process to do the quality control of the product.
Fruit planting and grading:
Determine the ripeness and harvest time of the fruit, and grade the fruit.
Fermentation brewing industry:
Measuring the alcohol content of the liquid and the wort concentration to do the process control.
Biopharmaceutical industry:
Measurement of the relevant physical properties of liquids to ensure product quality and process monitoring.