The EM 2040 multibeam echo sounder is the first system to bring all the advanced
features of deep water multibeams to the near bottom sounding environment. The basic
EM 2040 has four units, a transmit transducer, a receive transducer, a processing
unit, and a workstation.
For completeness, data input from a motion sensor and a positioning system is
required, as is the sound speed profile of the water column between the transducers
and the bottom. Sound speed at the transducer is an optional input. The transducers
may be delivered mounted on a frame together with the motion sensor and a sound
speed sensor, factory aligned for ease of mounting.