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This dual frequency 28 kHz and 200 kHz "blister type" transducer combines two popular fishfinding frequencies in one easy to mount housing. Its design is easier and less costly to install than magnetorestrictive transducers requiring steel tanks.
Commercial Fishing Vessels
Low ringing, low sidelobe 28 kHz array allows fishermen to see bottom structure clearly and to easily discriminate between bottom structure and target fish
Narrow beam, low ringing 200 kHz ceramic provides clear bottom detail and can detect small bait fish
Fairing vertically orients sound beams for stronger return echoes resulting in optimal sounder performance
Stuffing tubes are available to form a watertight channel for cable routing and are available in a variety of materials to match all hull types
Frequency: Dual Frequency 28kHz 200kHz
Beam Width: 29° @ 28kHz, 6° @ 200kHz
Rated RMS Power: 1kW
Weight: 5.5kg. (12lb.)
Can be mounted as an in-hull in fiberglass hulls for precise echosounding- even at speeds over 20 knots (23 MPH)
Airmar's M155 fairing is easy to cut and will not swell or rot
Streamlined shape minimizes drag
Seamless SEALCAST™ urethane housing for long life underwater