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EM 302

Product Name:EM 302
Description:Our EM 302 multibeam echo sounder is designed to map almost all of the ocean floors excepting the deep trenches with an unsurpassed resolution and accuracy.
Date of first release:2005
Mounting and deployment 
Physical properties of transducer head 
Length [m]:0.37
Width [m]:0.35
Height [m]:0.16
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]:26
Max. frequency [kHz]:34
Number of selectable frequencies:1
Min. depth [m]:10
Max. depth [m]:7000
Depth resolution [mm]:10
Max. Slant Range [m]:
Max. swath as a function of depth:5.5
Max. measurements per ping:864
Ping frequency [Hz]:10
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]:8000
Equal footprint spacing:Y
Max. number of points per ping for side scan operation:100000
RMS of nadir depth measurement [m]:
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: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:Yaw, pitch & roll stabilization. Mammal protection

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