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37-SM MicroCAT C-T(P) Recorder

The SBE 37-SM MicroCAT is a high-accuracy conductivity and temperature (pressure optional) recorder with Serial interface (RS-232 or RS-485), internal batteries, and Memory. The MicroCAT is designed for moorings or other long-duration, f

Sea-Bird Scientific
13431 NE 20th Street
98005 Bellevue
United States of America
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Description

The SBE 37-SM MicroCAT is a high-accuracy conductivity and temperature (pressure optional) recorder with Serial interface (RS-232 or RS-485), internal batteries, and Memory. The MicroCAT is designed for moorings or other long-duration, fixed-site deployments. Data is recorded in memory and can be output in real-time. Measured data and derived variables (salinity, sound velocity) are output in engineering units. Memory capacity exceeds 530,000 samples. Sampling every 2 minutes, the MicroCAT can be deployed for 2 years (battery endurance exceeds memory capacity).

Specifications

  • Year of initial development
    1997
  • Weight in air [kg]
    4.00
  • Diameter [mm]
    6
  • Length [mm]
    600
  • Max. cable length [m]
    1600
  • Max. depth [m]
    7000
  • Max. pressure [bar]
    700
  • Battery type
    lithium
  • Battery duration [hr]
    17520
  • Standard sensor
    Conductivity; Temperature
  • Description of additional sensors
    Pressure
  • No. of additional sensors
    0
  • Max. conductivity [S/m]
    7
  • Resolution of conductivity [10^-3 S/m]
    0.01
  • Uncertainty of conductivity [10^-3 S/m]
    0.3
  • Min. temperature [°C]
    -5
  • Max. temperature [°C]
    35
  • Resolution of temperature [°C]
    0.0001
  • Uncertainty of temperature [°C]
    0.002
  • Resolution of pressure [% FS]
    0.002
  • Uncertainty of pressure [% FS]
    0.1
  • Max. number of samples for self-recording [10^3]
    530
  • External recorder required
    N
  • Software name
    Seasoft
  • Graphical presentation
    Y
  • Raw data editing
    Y
  • Re-computation with raw data
    Y
  • CTD Probe controller
    Y
  • Distinguishable features
    • Moored Conductivity, Temperature, and Pressure (optional), at user-programmable 6-sec to 6-hour intervals. • RS-232 or RS-485 interface. • Internal memory and battery pack (can be powered externally). • Expendable anti-foulant devices for bio-fouling protection. • 350 m plastic or 7000 m titanium housing. • Seasoft © V2 Windows software package (setup, data upload, and data processing). • Five-year limited warranty. • Field-proven MicroCAT family, with more than 10,000 instruments deployed.

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