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Sea & Sun Technology CTD60Mc - ultra deep sea

Ultra deep sea probe

The CTD60Mc – ultra deep sea is a high quality, high accuracy memory probe for oceanographic measurement of conductivity, temperature, ambient pressure in depth up to 11000 m (12000 dbar)

The CTD60Mc – ultra deep sea is characterised in particu¬lar by its ability to directly output physical and calculated data such as salinity, sound velocity and density

  • Sea & Sun Technology CTD60Mc - ultra deep sea
Sea & Sun Technology
Arndtstrasse 9-13
24610 Trappenkamp
Germany

Description

The CTD60Mc – ultra deep sea probe is a small and handy microprocessor controlled multiparameter memory probe for oceanographic measurement with up to 3 sensors and a maximum depth down to 11000 m. It measures electric conductivity, water temperature and ambient pressure.
Data are stored in a standard flash memory with a capacity of 128 Mbytes. Up to 5,5 million CTD data sets can be recorded on this memory

Online operation
This mode is possible up to 350m via RS-232 Interface, but not recommended for this Probetyp. Only for testing.

Memory operation
The memory operation is divided into the following operation modes:

  • Continuous mode: each data set is stored.
  • Time mode: data sets are only stored at programmable intervals with several selectable schemes.
  • Pressure mode: data sets are stored at programmable depth steps.

The CTD60Mc – ultra deep sea is equipped with a 8 channel data acquisition system with 20 bit resolution. A high long-term stability and automatic self-calibration of the analogue digital converter guarantees stable and precise CTD measurements for many years.

The probe power supply is activated by touching a reed contact with a magnetic rod. LED displays power supply status and optical control of memory access.

The supplied Standard Data Acquisition Software package “SST-SDA” includes the handling of the logging process and the display of online or recorded data with a shared graphic user interface. The “SST-SDA” is a part of our shipment.

Standard models:
CTD60Mc – ultra deep sea:
Online and memory probe for measurement of conductivity, pressure, temperature

Standard sensors:

  • Conductivity (С)
  • Temperature (T)
  • Pressure (D)

Calculated parameters:

  • salinity
  • sound velocity
  • Kappa 25 mS/cm (electric conductivity)
  • sigma – t (potential density of a fluid)

Specifications

  • Year of initial development
    2018
  • Weight in air [kg]
    3
  • Diameter [mm]
    60
  • Length [mm]
    575
  • Housing Material
    Titanium
  • Min. operating power [V]
    7
  • Max. operating power [V]
    15
  • Battery
    Y
  • Battery type
    Alkaline / Lithium
  • Max. depth [m]
    11000
  • Max. pressure [bar]
    1200
  • Operating temperature: min. [°C]
    -10
  • Operating temperature: max. [°C]
    60
  • Pressure sensor
    Y
  • Type of pressure sensor
    piezo resistive
  • Resolution of pressure [% FS]
    0.002
  • Accuracy of pressure sensor
    up to 0.05
  • Temperature sensor
    Y
  • Type of temperature sensor
    Pt 100 4-pole
  • Min. temperature [°C]
    -2
  • Max. temperature [°C]
    36
  • Resolution of temperature [°C]
    0.0005
  • Accuracy of temperature measurement
    0.002
  • Conductivity sensor
    Y
  • Type of conductivity sensor
    7-pole-cell
  • Max. conductivity [S/m]
    70
  • Resolution of conductivity [10^-3 S/m]
    0.0005
  • Accuracy of conductivity measurement
    0.002
  • Uncertainty of pressure [% FS]
    130
  • Min. depth increment [m]
    0.01
  • Min. time increment [s]
    0.1
  • Resolution of salinity [psu]
    0.001
  • Uncertainty of salinity [psu]
    0.002
  • Min. sound velocity [m/s]
    1400
  • Max. sound velocity [m/s]
    1600
  • Resolution of sound velocity [m/s]
    0.05
  • Uncertainty of sound velocity [m/s]
    0.1
  • Standard sensor
    pressure, temperature, conductivity
  • Internal memory
    Y
  • Direct data reading
    Y
  • Connectors
    RS232
  • Internal Memory [MB]
    16000
  • Type of internal memory
    non-volatile memory
  • Max. number of samples for self-recording [10^3]
    5000000000
  • Dedicated sub-surface data logger
    Y
  • Dedicated surface data logger
    Y
  • Telemetry link to remote location
    Y
  • Software name
    SST-SDA
  • Graphical presentation
    Y
  • Raw data editing
    Y
  • Re-computation with raw data
    Y
  • CTD Probe controller
    Y
  • Recording with third party software
    Y
  • Data display on dedicated hardware
    N
  • Method of first recording
    internal /external
  • Display of analogue data
    Y

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