Digital wine concentration detector refractometer Digital refractometer OE OE wine juice, wine refractometer to Oe (Germany Regulation fruit concentration) concentration units, mainly used to measure the concentration of fruit juice and sugar content. Unit KMW Babo, is an important indicator to detect the concentration of sugar in the grapes and grape juice. This wine refractometer can also be used in the brewery, the fermentation process, and wine, crop, agriculture, ripe fruit inspection, cranberry juice and freshly squeezed fruit and sugar together concentrations to determine the concentration. Name: Digital Wine Refractometer Model: DR401 tick Name tick No. Measuring range Resolution Accuracy Brix% S01 0.0-45.0% 0.10% ± 0.2%% VOL S02 0.0-22.0% 0.10% ± 0.2% Oe S03 3-150 1 ± 2% KMW S04 0.0-25.0 0.1 ± 0.2