Max height of flow range 12-48 in.; switch selectable channel shapes round pipe, v-notch weir, palmer bowles flume, parshall flume, leopold lagco flume, cipolletti weir; 9 in. W, 14 in. L, 7.75 in. H; indicator dial 0-100 pct. In 5 pct. Divisions; portable; totalizing counter, carrying case, mtg bracket, instruction manual and set of tables