Multibeam echo sounder of the Thalia

Thalia is fitted with a multibeam echo sounder because of Bassop system (container containing the acquisition electronics and the operator station).

 

Multibeam echo sounder

EM2040D

Manufacturer

Kongsberg

Frequency

200, 300 or 400 kHz

Max depth

250 m

Rx beams

2x256 (2x400 HD mode)

Beams resolution

0.75° x 0.75° @ 400 kHz 
1° x 1° @ 300 kHz 
1.5° x 1.5° @ 200 kHz

Swath width

200° (800 m to 200 kHz)