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


Ask for a quote Visit website
Find dealers / rentals

Write a review


Product Name:UnderwayCTD
Description:The UnderwayCTD offers fast 500m CTD or sound velocity profiles from a vessel moving at over 10kts. Maximize hydrographic survey efficiency by eliminating downtime for water profiling activities, or obtain valuable oceanographic data during ship transits.
Year of Initial Development:2004
Weight in air [kg]:3.60
Weight in water {kg}:
Diameter [mm]:
Length [mm]:
Housing material:
Max. cable length [m]:
Min. operating power [V]:
Max. operating power [V]:
Battery type:rechargeable Lithium
Battery duration [hr]:24
Max. depth [m]:2000
Max. pressure [bar]:200
Operating temperature: min. [°C]:
Operating temperature: max. [°C]:
Pressure, temperature and conductivity sensor 
Pressure sensor:
Type of pressure sensor:
Resolution of pressure [% FS]:0.25
Uncertainty of pressure [% FS]:0.5
Temperature sensor:
Type of temperature sensor:
Min. temperature [°C]:-5
Max. temperature [°C]:43
Resolution of temperature [°C]:0.002
Uncertainty of temperature [°C]:0.004
Conductivity sensor:
Type of conductivity sensor:
Max. conductivity [S/m]:9
Resolution of conductivity [10^-3 S/m]:0.05
Uncertainty of conductivity [10^-3 S/m]:0.5
Min. depth increment [m]:0.1
Min. time increment [s]:0.1
Max. salinity [psu]:42
Resolution of salinity [psu]:0.005
Uncertainty of salinity [psu]:0.05
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:Conductivity; Temperature; Pressure
No. of additional sensors:
Dissolved oxygen:
Dissolved oxygen sensor type:
pH :
pH sensor type:
ORP sensor type:
Fluorescense sensor type:
Cholophyll sensor type :
PAR sensor type :
Light transmission:
Light transmission sensor type :
Optical backscatter :
Optical backscatter sensor type:
Hydrocarbones :
Hydrocarbones sensor type:
Current sensor:
Current sensor type:
Turbidity :
Turbidity sensor type :
H2S :
H2S sensor type :
Redox :
Redox sensor type:
Other optional sensors:
Data and connectivity 
External recorder required:N
Direct data reading:
Internal memory:
Internal Memory [MB]:
Type of internal memory:
Max. number of samples for self-recording [10^3]:690
Dedicated surface data logger:
Dedicated sub-surface data logger:Y
Telemetry link to remote location:
Software specifications 
Software name:SBE Data Processing
Graphical presentation:Y
Raw data editing:Y
Re-computation with raw data:Y
CTD Probe controller:N
Recording with third party software:
Operation characteristics 
Data display on dedicated hardware:
Display of analogue data:
Method of first recording:
More information 
Distinguishable features :Freefall CTD allows profiling to over 500m from a vessel moving at 10 kts; data downloaded wirelessly to PC

Ask for a quote Visit website
Find dealers / rentals

Supplier Information



Other products in CTD Systems
Download the Brochure
Watch the video