MIDAS BathyPack - Bathymetry Package
From Echosounders and Bathymetry Instruments
The BathyPack is one of Valeport's premier MIDAS products, using state of the art sensors to generate precision Sound Velocity and Density profiles for highly accurate depth and height data. The simple top-end PC software, BathyLog, also allows all profile data to be used to monitor and correct multiple miniIPS pressure sensors, giving you the complete picture with one integrated sensor suite.
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Specifications
Sensors
Conductivity
- Robust, accurate inductive cell. Digital sampling technique means no more field calibrations.
- Range: 0 - 80 mS/cm
- Accuracy : ±0.01 mS/cm
- Resolution: 0.002 mS/cm
Temperature
- Fast response PRT with guard.
- Range: -5 to +35 °C
- Accuracy: ±0.005 °C
- Resolution: 0.002 °C
Pressure
- Revolutionary temperature compensated piezo-resistive sensor; all the performance of a resonant quartz sensor but with long term stability and better durability. No more oil!
- Range: 10, 30, 100, 300 or 600Bar
- Accuracy: ±0.01% range
- Resolution: 0.001% range
Sound Velocity
- Valeport’s digital time of flight sensor - the most accurate SV sensor in the world.
- Range: 1375 - 1900 m/s
- Accuracy: ±0.02 m/s
- Resolution: 0.001 m/s
Altimeter
- BathyPack accepts a variety of industry standard devices. Typical specification:
- Frequency: 500kHz
- Range: 0 - 50 m (6000m depth rating)
- Resolution: 1mm
Calculations
- Density: EOS-80 Equation of State of Seawater
- Salinity: PSS78 Practical Salinity Scale
- Depth: UNESCO Pressure/Depth Relationship or Simplified 'Mean Density' Correction
Data Acquisition
- Data Sampling: 2Hz
- Lookup Table: 6000 points (1m res. @ max depth)
- Sampling Sequence: Synchronous
Communications
The instrument will operate by direct communications with PC before and after deployment. It also operates in real time, with a choice of communication protocols for a variety of cable lengths, all fitted as standard and selected by pin choice on the output connector:
- Standard
- RS232 Up to 200m cable, direct to serial port via USB adaptor
- RS485 Up to 1000m cable, addressable half duplex comms
- Baud Rate: 2400 - 115200
- Protocol: 8 data bits, 1 stop bit, No parity, No flow control
- Electrical
- External Power: 12 - 30vDC
- Power: Nominal 4W max
- Connector: Subconn MCBH10F
- Physical
- Materials: Titanium housing, polyurethane, composite and polycarbonate sensor components
- Depth Rating: 6000m (may be limited by pressure sensor)
- Instrument Size: 88mmØ x 425mm long
- Weight: 6kg
- Shipping: 74 x 35 x 27cm, 13kg
Software
- System is supplied with BathyLog Windows based PC software, for instrument setup and data display. BathyLog is licence free.
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