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Moving Vessel Profiler (MVP)


 
General 
Product Name:Moving Vessel Profiler (MVP)
Description:By enabling high speed, deep water underway profiling, the MVP economizes survey operations while enhancing performance. Increased Convenience, Reduced Cost - Decreased vessel time: Profiles are conducted while the ship is underway, reducing survey duration by hours. - Increased line spacing: Frequent, valid sound velocity profiles eliminate the risk of data loss in the outer beams, enabling survey of a wider area. - Reduced post-processing: Improved accuracy associated with real-time, automated data collection erases the need for examination of every scan. - Heightened productivity: Without personnel required on deck during operations, surveys can be conducted beyond standard work hours and in inclement weather. - Small footprint: A narrow plane of operation allows the MVP tow body to be safely deployed and operated simultaneously with other deployed equipment. Improved Quality - Greater accuracy: Real-time knowledge of sound velocity, as a function of depth, efficiently facilitates the removal of discontinuities in multibeam and seismic data caused by sound velocity variations in the water column. - Full water column data: Set real-time MVP to terminate profiles based on one of three deployment criteria (maximum tow body depth, distance above seafloor, and maximum cable out) to optimize water column data coverage from each profile and auto-recover the tow body to its original towed position.
Year of Initial Development:
Weight in air [kg]:
Weight in water {kg}:
Diameter [mm]:
Length [mm]:
Housing material:
Max. cable length [m]:
Power 
Min. operating power [V]:
Max. operating power [V]:
Battery:N
Battery type:N/A
Battery duration [hr]:
Environmental 
Max. depth [m]:4000
Max. pressure [bar]:400
Operating temperature: min. [°C]:
Operating temperature: max. [°C]:
Pressure, temperature and conductivity sensor 
Pressure sensor:Y
Type of pressure sensor:Piezo-resistive
Resolution of pressure [% FS]:0.02
Uncertainty of pressure [% FS]:
Accuracy of pressure sensor:0.05 %FS
Temperature sensor:Y
Type of temperature sensor:
Min. temperature [°C]:-5
Max. temperature [°C]:45
Resolution of temperature [°C]:0.001
Uncertainty of temperature [°C]:
Accuracy of temperature measurement:0.05
Conductivity sensor:Y
Type of conductivity sensor:straight flow
Max. conductivity [S/m]:9
Resolution of conductivity [10^-3 S/m]:
Uncertainty of conductivity [10^-3 S/m]:
Accuracy of conductivity measurement:0.01 mS/cm
Observations 
Min. depth increment [m]:
Min. time increment [s]:
Resolution of salinity [psu]:
Uncertainty of salinity [psu]:
Min. sound velocity [m/s]:
Max. sound velocity [m/s]:
Resolution of sound velocity [m/s]:
Uncertainty of sound velocity [m/s]:
Additonal sensors 
Standard sensor:
No. of additional sensors:
Description of additional sensors:
Data and connectivity 
External recorder required:
Direct data reading:
Connectors:
Internal memory:
Internal Memory [MB]:
Type of internal memory:
Max. number of samples for self-recording [10^3]:
Dedicated surface data logger:
Dedicated sub-surface data logger:
Telemetry link to remote location:
Software specifications 
Software name:
Graphical presentation:
Raw data editing:
Re-computation with raw data:
CTD Probe controller:
Recording with third party software:
Operation characteristics 
Data display on dedicated hardware:
Display of analogue data:
Method of first recording:
More information 
Distinguishable features :
 


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