Digital Handheld Refractometer

OPTi digital handheld refractometers are highly reliable, premium quality instruments used to test grass sugars, colostrum and antifreeze.
With up to 3 scales readily available at the touch of a button, the OPTi is the most versatile and feature-rich refractometer on the market.
A selection of scales for veterinarians and farmers for testing colostrum, blood and urine samples taken from animals. Thanks to needing only a small drop of sample to give a clear and accurate reading, OPTi refractometers are perfect for measuring samples that are often difficult to obtain or, in the case of colostrum, is a valuable commodity. Scales include Brix, RI, Colostrum Quality, Urine Specific Gravity, Serum Protein, and more.
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