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Product Name:EM 710 MKII
Description:The EM 712 multibeam echo sounder is Kongsberg Maritime's second generation high to very high resolution seabed mapping system capable of meeting all relevant survey standards.
Date of first release:2004
Mounting and deployment 
Physical properties of transducer head 
Length [m]:1940
Width [m]:224
Height [m]:118
Min. external power [V]:
Max. external power [V]:
Max. power consumption [W]:
Used Sonar Methods 
Type of system:Multibeam
Bottom Detection Method:Amplitude or phase
System Parameters 
Min. frequency [kHz]:40
Max. frequency [kHz]:100
Number of selectable frequencies:
Min. depth [m]:3
Max. depth [m]:2800
Depth resolution [mm]:10
Max. Slant Range [m]:
Max. swath as a function of depth:5.5
Max. measurements per ping:800
Ping frequency [Hz]:30
Min. beam width across track [deg]:1
Min. beam width along track [deg]:0.5
Bottom Coverage 
Footprint in nadir direction [m]:0.4
Footprint at max. horizontal range [m]:1.3
Smallest identifiable cube [m3]:1
Max. swath width [m]:2300
Equal footprint spacing:Y
Max. number of points per ping for side scan operation:100000
RMS of nadir depth measurement [m]:0.06
Intended S44 order:Special
Max. survey speed for specified RMS [kt]:16
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:Calculation of each sounding is according to Schnells law of refraction, in real time
Motion compensation 
Motion sensors compatible to the system:Seatex MRU5; Seapath 300; Applanix POS/MV; and other sensors with comparable accuracy
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:Realtime visualization of bathymetric data; both raw data and gridded data in 2D and 3D; swath; quality of each beam; seabed image; attitude data; 3D waterfall
Maintenance criteria 
Mean time before failure [hr]:2000
Mean time to repair [hr]:1
More information 
Distinguishable features:High resolution soundings for all water depths.

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