Pocket Digital Refractometer - HoneyMeasure concentrations of be, brix and water. As small, light and simple to use as a optical refractometer, but with the precision of a digital readout. Reads samples as small as 1 ml. Sample temperature is initially displayed on the large LCD followed by the measurement results. The sophisticated microprocessor provides automatic calibration, automatic temperature compensation and automatic shutoff (after 3 minutes). A sturdy water resistant case