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/ Categories: Sound Velocity Profilers 936

Measurement of the Speed of Sound in Seawater

There are many factors that can affect the Measurement of the Speed of Sound in Seawater, the key influencers being temperature and pressure or density. These variables can alter considerably depending on the location at which the measurement is being conducted.

Measuring the speed of sound in seawaterThere are now a wide range of Oceanographic Instruments available to accurately measure the speed of sound in seawater and Valeport (one of the UK's leading manufacturers of Hydrographic and Oceanographic Equipment) can offer a number of solutions, both lowered and through the hull, here are just some of them:

MIDAS Sound Velocity Profiler

Simultaneous sensor sampling and the incorporation of a world leading digital time of flight sound speed sensor ensures this device provides the most accurate Sound Velocity Profiles currently possible. Titanium construction and a large memory make it suitable for rapid profiling down to 6000m depth.
 
MIDAS SVX2 Combined CTD/SVP

A great hybrid device offering the Superior Sound Velocity Data combined with leading edge Salinity and Density measurement, this unit offers the best of both worlds. It also has a 0.01% pressure sensor as standard and utilises synchronised sampling to ensure perfect profiles.

MiniSVP Sound Velocity Profiler

Featuring Valeport's unique acclaimed "time of flight" SV sensor, a single C cell and large Flash memory allow hundreds of profiles to be recorded. It has pre-programmed profiling patterns that allow it to be configured and deployed quickly and easily. This MiniSVP is available in either 500m rated acetal or 6000m rated titanium versions and represents great value for money for those on a limited budget.

MiniSVS Sound Velocity Sensors

Lowest noise, highest accuracy, best resolution sound velocity data available. It's small size and a choice of sensor lengths down to just 25mm make the sensor suitable for a variety of applications. This unit is also considered suitable for OEM and custom designs. Contact Valeport to find out more.

Monitor SVP Sound Velocity Profiler

Developed from the re-knowned Valeport Midas SVP and incorporating the same digital time of flight sound velocity sensors and synchronised sampling techniques, it's available as a smaller, lightweight device that is ideal for smaller boats or shallow water applications.

Other Units, available from Valeport, for Measuring the Speed of Sound in Seawater are:
 
OEM SV - Makes the Valeport "Time of Flight” sound velocity technology available to incorporate in customised packages of for integration onto third party applications. Contact Valeport to find out more.
     
Rapid SV - Quick way of deploying and gathering accurate data.
 
Soundbar 2 Digital Bar Checker - offers a convenient, quick and safe method of obtaining sound velocity data for calibration of Echo Sounders and other acoustic devices. Coupled to a pressure sensor in a durable titanium housing, the Soundbar 2 is lowered through the water column, measuring the sound velocity as it goes.
     
Thru-Hull SVS

The probe is deployed through the vessel’s hull and can be safely recovered for cleaning and maintenance without requiring docking.

For more information regarding Measuring the Speed of Sound in Seawater, please contact Valeport or Email sales@valeport.co.uk
 
 

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