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SBE-49 FastCAT CTD Sensor

SBE-49 FastCAT CTD Sensor
SBE-49 FastCAT CTDThe SBE 49 FastCAT is an integrated CTD sensor intended for use as a modular component in towed vehicles, ROVs, AUVs, or other autonomous platforms that can supply DC power and acquire serial data. FastCAT’s pump-controlled / TC-ducted flow feature minimizes salinity spiking, and its 16 Hz sampling provides very high spatial resolution of oceanographic structures and gradients.

SBE-49 FastCAT CTD Sensor

Sea-Bird Electronics

The SBE 49 FastCAT is an integrated CTD sensor intended for use as a modular component in towed vehicles, ROVs, AUVs, or other autonomous platforms that can supply DC power and acquire serial data. FastCAT’s pump-controlled / TC-ducted flow feature minimizes salinity spiking, and its 16 Hz sampling provides very high spatial resolution of oceanographic structures and gradients.

FastCAT’s temperature thermistor and conductivity cell are the same as used in our premium 911plus CTD system. The strain-gauge pressure sensor is offered in eight full scale ranges from 20 to 7000 dbars. Sophisticated interface circuitry provides very high resolution and accuracy.

FastCAT is an easy-to-use, light, and compact instrument ruggedly made of titanium and other low-maintenance (plastic) materials; it is well suited to even the smallest vehicle. There are straightforward commands for continuous (full rate or averaged) or single sample acquisition. EEPROM-stored calibration coefficients permit data output in ASCII engineering units (degrees C, Siemens/m, decibars, Salinity [PSU], and sound velocity [m/sec]), or the user can select raw data output if desired.

FastCAT must be externally powered, and its RS-232C data logged or telemetered by the vehicle to which it is mounted. As FastCAT does not support auxiliary sensors, where such sensors are required the user's vehicle must be equipped to acquire their signals independently.

Documents

Brochure
SBE-49 Brochure - Download

Manual
SBE-49 Manual - Download

Application Note
AN 02D: Instructions for Care and Cleaning of Conductivity Cells (03/14) - Download
AN 06: Determination of Sound Velocity from CTD Data - Download
AN 10: Compressibility Comp of SBE Conductivity Sensors (05/13) - Download
AN 14: 1978 Practical Salinity Scale - Download
AN 27Druck: Minimizing Strain Gauge Pressure Sensor Errors - Download
AN 34: Instructions for use of Conductivity Cell - Download
AN 42: ITS-90 Temperature Scale - Download
AN 67: Editing Sea-Bird .hex Data Files - Download
AN 68: Using USB Ports to Communicate with Sea-Bird Instruments - Download
AN 69: Conversion of Pressure to Depth - Download
AN 71: Desiccant Use and Regeneration (drying) - Download
AN 73: Using Instruments with Pressure Sensors at Elevations Above Sea Level - Download
AN 84: Using Instruments with Druck Pressure Sensors in Muddy or Biologically Productive Environments - Download
AN 90: Absolute Salinity and TEOS-10: Sea-Bird's Implementation - Download
Guide to CTDs - Download

Technical Papers
The acquisition, calibration, and data analysis of CTD data - Download