Pocket Digital Refractometer - Brix 0 to 65%These lightweight, compact pocket refractometers are ideal for determining Brix concentrations in fruits and beverages as well as cutting oils and organic samples. They measure concentrations in brix, salinity and a wide variety of other parameters in the field with laboratory accuracy. These handheld refractometers are small, light and simple to use as optical refractometers, but with the precision of a digital readout. They read samples as small as