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Valeport Ltd Midas SVX2

The MIDAS SVX2 is the latest version of Valeport’s unique instrument. Recognising the conflict faced by users requiring the superior Sound Velocity data from an SVP, but still needing the Salinity and Density data from a CTD, the MIDAS SVX2 com…

  • Valeport Ltd Midas SVX2
Valeport Ltd
St. Peters Quay
TQ9 5EW Totnes
United Kingdom
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Description

The MIDAS SVX2 is the latest version of Valeport’s unique instrument. Recognising the conflict faced by users requiring the superior Sound Velocity data from an SVP, but still needing the Salinity and Density data from a CTD, the MIDAS SVX2 combines both technologies to give the best of both worlds. Now fitted with a 0.01% pressure sensor as standard, the SVX2 also uses synchronised sampling to ensure perfect profiles, and since the digital time of flight SV sensor is the most accurate in the world, it’s also possible to compare the true sound velocity data with that generated by commonly used equations.

Specifications

  • Diameter [mm]
    88
  • Height [mm]
    665
  • Weight in air [kg]
    11.5
  • Weight in water [kg]
    8.5
  • Material
    Titanium housing, polycarbonate & compositesensor components, stainless steel (316) cage.
  • Min. operating power [V]
    30
  • Max. operating power [V]
    9
  • Max power consumption [W]
    0.7
  • Battery
    Y
  • Battery type
    8 x C cells, 1.5v alkaline or 3.6v lithium
  • Max. operation time on one battery [hr]
    250
  • Max. operating depth [m]
    6000
  • Max. pressure [bar]
    600
  • Operating temperature: min. [°C]
    -20
  • Operating temperature: max. [°C]
    80
  • Sample rate [Hz]
    1, 2, 4 or 8Hz
  • Range min. value [m/s]
    1375
  • Range max. value [m/s]
    1900
  • Resolution [m/s]
    0.001
  • Accuracy [m/s]
    0.02
  • Temperature sensor
    Y
  • Temperature resolution [°C]
    0.005
  • Temperature measurement accuracy [%]
    0.01
  • Pressure sensor
    Y
  • Pressure resolution [%]
    0.01
  • Pressure measurement accuracy [%]
    0.01
  • GPS sensor
    N
  • Other sensors
    Conductivity Sensor: 0 to 80 mS/cm with a resolution of 0.003mS/cm.
  • Connectors
    RS232, RS485
  • Internal Memory [MB]
    16
  • Software solution
    Y
  • Output data/formats
    The instrument will operate autonomously, with setup and dataextraction performed by direct communications with PC before and after deployment. It also operates in real time, with a choice of communication protocols (RS232, RS485)for a variety of cable lengths, all fitted as standard and selected by pin choice on the output connector.
  • Internal memory
    Y
  • Type of internal memory
    16 - 64Mb Solid state non-volatile FLASH memory.
  • Accessories
    MIDAS SVX2 Profiler, supplied with deployment cage, Subcon switch plug, 3m communications lead, USB adaptor, DataLog X2 software, manual , tool kit and transit case.
  • Calibration procedure
    Consult factory or via authorised third party calibration facility
  • Anti-fouling methods
    Not required

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