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37-SM MicroCAT C-T(P) Recorder

Product Name:37-SM MicroCAT C-T(P) Recorder
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).
Year of Initial Development:1997
Weight in air [kg]:4.00
Weight in water {kg}:
Diameter [mm]:6
Length [mm]:600
Housing material:
Max. cable length [m]:1600
Min. operating power [V]:
Max. operating power [V]:
Battery type:lithium
Battery duration [hr]:17520
Max. depth [m]:7000
Max. pressure [bar]:700
Operating temperature: min. [°C]:
Operating temperature: max. [°C]:
Pressure, temperature and conductivity sensor 
Pressure sensor:
Type of pressure sensor:
Resolution of pressure [% FS]:0.002
Uncertainty of pressure [% FS]:0.1
Accuracy of pressure sensor:
Temperature sensor:
Type of temperature sensor:
Min. temperature [°C]:-5
Max. temperature [°C]:35
Resolution of temperature [°C]:0.0001
Uncertainty of temperature [°C]:0.002
Accuracy of temperature measurement:
Conductivity sensor:
Type of conductivity sensor:
Max. conductivity [S/m]:7
Resolution of conductivity [10^-3 S/m]:0.01
Uncertainty of conductivity [10^-3 S/m]:0.3
Accuracy of conductivity measurement:
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:Conductivity; Temperature
No. of additional sensors:0
Description of additional sensors:Pressure
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]:530
Dedicated surface data logger:
Dedicated sub-surface data logger:
Telemetry link to remote location:
Software specifications 
Software name:Seasoft
Graphical presentation:Y
Raw data editing:Y
Re-computation with raw data:Y
CTD Probe controller:Y
Recording with third party software:
Operation characteristics 
Data display on dedicated hardware:
Display of analogue data:
Method of first recording:
More information 
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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