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Bathy2

Bathy2 - The latest evolution in bathymetric measurement

The Bathy2 is designed to meet customer bathymetric requirements for a reliable, accurate and robust instrument with more functionality to suit specific operations up to 6000m in depth.

Bathy2 - Density corrected depth data directly from one instrument

An enhancement of the popular Midas BathyPack, the new Bathy2 uses state-of-the-art sensors to generate Sound Velocity and Density profiles for precision depth and height data.

This new instrument brings together the benefits of density corrected output directly from one instrument, alongside the flexibility of third-party pressure sensor input and Valeport interchangeable pressure modules to allow users enhanced accuracy at different depths.

Improved user experience

Improving the user experience has been a key driver in the development of this superior bathymetric instrument and the addition of dedicated data output for INS allows bathymetric data to be efficiently communicated directly with users’ own operational software.

Other helpful benefits include the flexible pressure options using Valeport’s interchangeable pressure sensors, these field-swappable sensor heads make it easy for users to select the correct pressure for their working depth bringing benefits of exceptional reliability and a higher degree of accuracy.

Designed for surveyors requiring bathymetric data from underwater vehicles

Designed for surveyors requiring bathymetric data from ROVs, underwater vehicles or drop structures, Bathy2 also has an external pressure sensor input option for Digiquartz referencing. This comprehensive bathymetric package offers other useful parameters such as Altitude and Bathy2 interfaces with the Valeport VA500 altimeter and other popular third party makes.

Seamless data transfer

Data transfer is via Ethernet or RS232/RS485 interfaces and the Bathy2 Interpreter function via the Valeport Configure software allows data out on extra ports in industry-standard formats, this facility also allows for an atmospheric pressure data input.

Support

Bathy2 Datasheet
Download
Bathy2 Operating Manual
Download

Software

Valeport Configure
Download
Valeport Configure App Software Operating Manual
Download

Technical Specifications

Sensors

Conductivity

Type
Valeport Inductive Cell
Range
0 - 80 mS/cm
Accuracy
±0.01 mS/cm
Resolution
0.002 mS/cm

Temperature

Type
Fast Response PRT with guard
Range
-5 – +35 °C
Accuracy
±0.005 °C
Resolution
0.002 °C

Pressure

Type: High accuracy and interchangeable, temperature compensated piezo-resistive sensor. Delivers the performance previously only available from a resonant quartz sensor. It also brings the added advantages of long-term stability, allowing longer intervals between calibration, and a smaller and more robust construction; complex and vulnerable arrangements of diaphragms and oil filled capillaries & reservoirs are therefore no longer necessary.

Range
10, 20, 30, 50, 100, 200, 300, 400 or 600 bar
Accuracy
+-0.01% range
Resolution
0.001%

Sound Velocity

Valeport digital time of flight sensor

Range
1375 – 1900 m/s
Resolution
0.001 m/s
Accuracy
±0.02 m/s

Sensor Input Channels

Altimeter

Typical specification – Valeport VA500 Altimeter
Bathy2 will also accept third party altimeter inputs

Frequency
500 kHz
Range
0 - 100 m (6000 m depth rating)
Resolution
1 mm

Pressure

Paroscientific Digiquartz (customer can use an existing pressure sensor for data)

Data Sampling
2 Hz
Lookup Table
6000 points (1 m res. @ max depth)
Sampling Sequence
Synchronous

Calculations

Density
TEOS-10 Equation of State of Seawater
Salinity
PSS78 Practical Salinity Scale
Depth
UNESCO Pressure/Depth Relationship or Simplified “Mean Density” Correction

Communications & Standard

The instrument will operate by direct communication and in real-time to customer device.

Communications

Standard
RS232/RS485
Option
Ethernet, either fitted or not fitted in place of RS232/RS485
Baud Rate
2400 - 230400
Protocol
8 data bits, 1 stop bit, No parity, No flow control.
(Others supported too: None, Odd, Even Supported too - Default None)

Electrical

External Power
12-28 v DC
Current
Base system 195 mA
Base system + Digiquartz 225 mA
Base system + Altimeter 320 - 370 mA
Base system + DigiQuartz + Altimeter 410 mA
Connectors
SubConn MCBH10F as standard for power in/comms plus MCBH4F for INS output, MCBH5F for Digiquartz input and MCBH6F for Altimeter input.

Physical

Materials
Titanium housing, polyurethane composite and polycarbonate sensor components
Depth Rating
600 bar (may be limited by pressure sensor)
Instrument Size
Ø110 mm x 566 mm long
Weight
10 kg
Shipping
Supplied in foam-lined transit case 63 cm x 43 cm x 20.5 cm, 18.5 kg weight

Software

Valeport Configure

Ordering

0608010-XX
Bathy2 for RS232/RS485 communication in titanium housing, fitted with 0.01% piezo-resistive, interchangeable pressure sensor option (10-600Bar), fast response PRT temperature sensor, pressure compensated conductivity cell and a 50mm path length sound velocity sensor.
Includes interfaces for Valeport VA500 altimeter and Digiquartz pressure sensor and output for INS.
Supplied with Valeport Configure software, 4m interface lead, operating manual and system transit case.
Note: Altimeter NOT included
0608010-XX
As above with ethernet communication.
PTSA-XX
Interchangeable pressure transducers.
Select from 10, 20, 30, 50, 100, 200, 300, 400 and 600 bar.
0430003
VA500 Altimeter

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