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Product Name:OCEAN SEVEN 310 CTD
Year of Initial Development:2017
Weight in air [kg]:3.3
Weight in water {kg}:1.7
Diameter [mm]:75
Length [mm]:660
Housing material:Various versions: AISI316L diam. 48 mm for 1000 m depth - POM diam. 100 mm for 1500 m depth - POM diam. 75 mm for 2000 m depth - Titanium diam. 48 mm for 6000 m depth - Titanium diam. 89 mm for 7000 m depth
Max. cable length [m]:12000
Min. operating power [V]:32
Max. operating power [V]:2.9
Battery:Y, N, optional
Battery type:Lithium Alkaline or NiMh rechargeable
Battery duration [hr]:20
Max. depth [m]:7000
Max. pressure [bar]:700
Operating temperature: min. [°C]:-5
Operating temperature: max. [°C]:+50
Pressure, temperature and conductivity sensor 
Pressure sensor:Y, Optional
Type of pressure sensor:
Resolution of pressure [% FS]:0.0015
Uncertainty of pressure [% FS]:
Accuracy of pressure sensor:0.05 or optional 0.01%FS
Temperature sensor:Y, Optional
Type of temperature sensor:pt100
Min. temperature [°C]:-5
Max. temperature [°C]:50
Resolution of temperature [°C]:0.0001
Uncertainty of temperature [°C]:
Accuracy of temperature measurement:0.0015
Conductivity sensor:Y
Type of conductivity sensor:7-ring quartz cell
Max. conductivity [S/m]:9
Resolution of conductivity [10^-3 S/m]:0.001
Uncertainty of conductivity [10^-3 S/m]:
Accuracy of conductivity measurement:0.00015 S/m
Min. depth increment [m]:0.05
Min. time increment [s]:0.05
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:Conductivity, Temperature, Pressure, Dissolved Oxygen (polarographic and optical), pH, Redox
No. of additional sensors:14
Description of additional sensors:Turbidity Meter, Fluorometers, PAR, Altimeter, ecc..
Data and connectivity 
External recorder required:N
Direct data reading:Y
Connectors:MCBH 6 Pin (male)
Internal memory:Y
Internal Memory [MB]:2000
Type of internal memory:SD memory card
Max. number of samples for self-recording [10^3]:30000
Dedicated surface data logger:N
Dedicated sub-surface data logger:N
Telemetry link to remote location:Y
Software specifications 
Software name:ITERM and REDAS-5
Graphical presentation:Y
Raw data editing:N
Re-computation with raw data:Y
CTD Probe controller:Y
Recording with third party software:N
Operation characteristics 
Data display on dedicated hardware:N
Display of analogue data:Y
Method of first recording:Internal memory
More information 
Distinguishable features :small diameter, best pH, interface up to 14 analogue and 2 digital sensors, sampling rates up to 28Hz. easily integrate floating profilers, oceanographic moorings, ROVs and AUVs full ocean depth, pump free, low maintenance sensors, low power consumption. drift free sensor preamplifiers, flow-through cell, self-flushing conductivity cell with optional antifouling, RS232, Telemetry, Wireless

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Supplier Information
  • Idronaut

  • Via Monte Amiata, 10
  • 20861 BRUGHERIO (MB)
  • Italy



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