MIDAS BathyPack Bathymetry Package
MIDAS BathyPack Bathymetry Package

MIDAS BathyPack Bathymetry Package

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.

MIDAS BathyPack Bathymetry Package
MIDAS BathyPack Bathymetry Package


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


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


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


BathyPack accepts a variety of industry standard devices. Typical specification – Valeport VA500 Altimeter :

Frequency : 500kHz
Range : 0 – 50 m (6000m depth rating)
Resolution : 1mm


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


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 :


RS232 Up to 200m cable, direct to serial port via USB
RS485 Up to 1000m cable, addressable half duplex
Baud Rate : 2400 – 115200
Protocol : 8 data bits, 1 stop bit, No parity, No flow control


External Power : 12 – 30vDC
Power : Nominal 4W max
Connector : SubConn MCBH10F


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 : 6 kg
Shipping : 74 x 35 x 27cm;


System is supplied with BathyLog Windows based PC software, for instrument setup and data display. BathyLog is licence free.


0608002 MIDAS BathyPack in titanium
Supplied with :
 3m interface lead
 0.5m altimeter input pigtail
 BathyLog software
 Manual and transit case.
Associated Products
0760001 miniIPS Pressure Sensor
0430003 VA500 Altimeter

Read more : VRS-20 Radar Level Sensor; CTD and Multiparameter Instruments; Current Meters And Open Channel Meters; Model 803 ROV Electromagnetic Current Meter; MIDAS ECM Self Recording Electromagnetic Current Meter


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