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![General Tools REF211ATC [REF211ATC] Salinity Refractometer 0 To 10% with Automatic Temperature Compensation](image/cache/wp/gj/Products/General-Tools_REF211ATC-800x800.webp "General Tools REF211ATC [REF211ATC] Salinity Refractometer 0 To 10% with Automatic Temperature Compensation")
The General Tools REF211ATC refractometer is ideal for measuring the salinity or specific gravity (SG) of seawater and brine. A refractometer is an instrument that measures the concentration of an aqueous solution by measuring its refractive index. All water-based solutions can make light bend. The bending of light increases at a rate proportional to the increasing solution concentration. The hand held refractometer is a precise optical instrument. Its characteristics are small, light, take only a few drops of solution to use and is very user friendly. Refractometers are used throughout the food, agriculture, chemical and manufacturing industries. Our analog and digital refractometers are among the finest optical instruments in the world. We offer a full line of refractometers that are suitable for all applications: Brix, Alcohol, Propylene Glycol, Protein in serum, Salinity, Baume, Specific Gravity, Industrial Fluids, Refractive Index (nD), along with many other scales which provide the user with limitless flexibility.
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Instruction manual
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