The RBRconcerto³ D.alt.tilt is a unique data logger dedicated to total water depth. Equipped with a 3-axis tilt sensor, and a 200Hz altimeter, the logger provides complete distance-to-surface and distance-to-bottom data. The instrument also includes a depth channel capable of both continuous and intermittent bursts. The RBRconcerto³ D.alt.tilt is available in a configuration that supports wave measurements up to 16Hz.