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Product Name:iWBMS
Description:NORBIT-Subsea manufacture wideband curved-array multibeam sonar sensors for bathymetry, NORBIT’s multi-sensing concept combines multiple integrated sensors into one hardware platform with a single LAN connection to survey laptop. Supported sensors include any combination of bathymetric multibeam echo-sounder, forward looking sonar and LiDAR
Date of first release:2013
Mounting and deployment 
Mounting:Hull mounted & Portable
Physical properties of transducer head 
Length [m]:0.348
Width [m]:0.236
Height [m]:0.227
Min. external power [V]:10
Max. external power [V]:28
Max. power consumption [W]:55
Used Sonar Methods 
Type of system:Multibeam
Bottom Detection Method:Amplitude/Phase/Blend
System Parameters 
Min. frequency [kHz]:360
Max. frequency [kHz]:440
Number of selectable frequencies:81
Min. depth [m]:0.2
Max. depth [m]:275
Depth resolution [mm]:10
Max. Slant Range [m]:275
Max. swath as a function of depth:12
Max. measurements per ping:512
Ping frequency [Hz]:50
Min. beam width across track [deg]:0.9
Min. beam width along track [deg]:1.9
Bottom Coverage 
Footprint in nadir direction [m]:0.785
Footprint at max. horizontal range [m]:6.3
Smallest identifiable cube [m3]:0.5
Max. swath width [m]:400
Equal footprint spacing:Y
Max. number of points per ping for side scan operation:1024
RMS of nadir depth measurement [m]:0.03
Intended S44 order:Special
Max. survey speed for specified RMS [kt]:8
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:3rd Party Software (QINSy, Hypack, PDS2000, etc.)
Motion compensation 
Motion sensors compatible to the system:incl. Applanix wavemaster OEM version AP20C
Required pitch uncertainty [deg]:0.02
Required roll uncertainty [deg]:0.02
Required heave uncertainty [m]:0.05
Compatible software:Hypack, QPS, EIVA, MB-System, Triton, PDS2000 and others
Compatible hardware:All mounting arrangements
Real-time access procedure:NORBIT user interface via LAN to topside unit. All processing occurs within sonar head so any computer may visualize/receive data from LAN connection.
Maintenance criteria 
Mean time before failure [hr]:25000
Mean time to repair [hr]:25000
More information 
Distinguishable features:Curved array, compact, tightly-itegrated, turn-key

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