SPER SCIENTIFIC Portable Refractometers

Accurate, Professional-Quality Instruments You Can Use Everywhere

Measure dissolved substances accurately in the lab, in the field or on the production line. Since no battery or other power source is necessary, they're totally portable-and you get precise, reliable readings with ambient light! Simply place a drop or two of your sample on the prism, and read the results immediately.
Specifications: All models include a rubber-coated hand grip and insulated construction to prevent inaccuracy caused by the body heat of the user. The covered eye piece and bright, clearly defined scale make it easy to read measurements. Available in a range of sugar, salt and clinical models; all come ready for immediate use with calibration tools, solutions, transfer pipettes, protective case and complete instructions. Nos. 30387 and 30391 come with automatic temperature compensation which makes manual temperature corrections unnecessary. Five-year warranty.

Note: Calibration Service Available. Click here for details.