Multibeam echo sounders of the Marion Dufresne

Multibeam echo sounders

EM122

EM710

Manufacturer

Kongsberg

Kongsberg

Frequency

12 kHz

70-110 kHz

Max depth

12000 m

1500 m

Rx beams

288 
(432 HD mode)

256 
(400 HD mode)

Beams resolution

1° (Tx) x 1° (Rx)

0.5° (Tx) x 1° (Rx)

Swath width

140° (5.5x water depth)

(20 km max)

140° (5.5x water depth)

(2 km max.)