The world’s largest product database for
surveying, navigation and machine guidance


Ask for a quote Visit website
Find dealers / rentals

Write a review

EM 122

Product Name:EM 122
Date of first release:2005
Mounting and deployment 
Physical properties of transducer head 
Length [m]:0.18
Width [m]:0.76
Height [m]:0.20
Min. external power [V]:115
Max. external power [V]:230
Max. power consumption [W]:2000
Used Sonar Methods 
Type of system:Multibeam echosounder
Bottom Detection Method:Amplitude and phase
System Parameters 
Min. frequency [kHz]:10
Max. frequency [kHz]:13
Number of selectable frequencies:1
Min. depth [m]:20
Max. depth [m]:11000
Depth resolution [mm]:20
Max. Slant Range [m]:
Max. swath as a function of depth:6
Max. measurements per ping:864
Ping frequency [Hz]:5
Min. beam width across track [deg]:0.5
Min. beam width along track [deg]:1.0
Bottom Coverage 
Footprint in nadir direction [m]:0.4
Footprint at max. horizontal range [m]:1.3
Smallest identifiable cube [m3]:
Max. swath width [m]:35000
Equal footprint spacing:Y
Max. number of points per ping for side scan operation:100000
RMS of nadir depth measurement [m]:0.5
Intended S44 order:1
Max. survey speed for specified RMS [kt]:20
Speed of sound 
Real-time correction of refraction at transducer head:Y
Real-time integration of SV-profile:Y
Explanation of SV-profile application process:Using Schnell\\\\\\\'s law refraction, in real time
Motion compensation 
Motion sensors compatible to the system:Seatex MRU5; Seapath 300; Applanix POS/MV & others
Required pitch uncertainty [deg]:0.02
Required roll uncertainty [deg]:0.02
Required heave uncertainty [m]:0.05
Compatible software:SIS, Hypack, QINSY, EIVA, CARIS and others
Compatible hardware:Integrates with SBP 120 and TOPAS. Sound velocity at transducer; Sound Velocity profile; Position; Heading; 1PPS; Single beam echo sounder (optional).
Real-time access procedure:Acquisition software; Gigabit Ethernet
Maintenance criteria 
Mean time before failure [hr]:
Mean time to repair [hr]:
More information 
Distinguishable features:Dual and triple frequency. Mammal protection

Ask for a quote Visit website
Find dealers / rentals

Supplier Information



Other products in Multibeam Echosounders