Sper Scientific refractometers provide fast, accurate measurements of liquid concentration, purity and refractive index. They are widely used for quality control and process monitoring in food and beverage production, agriculture, pharmaceuticals, clinical settings, automotive service, aquariums and industrial applications.

Choose from portable optical and digital models designed for convenient laboratory, production, or field use. Available refractometers measure parameters such as Brix, salinity, specific gravity, protein concentration, and automotive coolant or battery-fluid condition. With clear scales or digital displays, small sample requirements and straightforward calibration, Sper Scientific refractometers make routine testing quick and dependable.