Grava Hydrographic Solutions
Grava Hydrographic Solutions
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  • Home
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Shop Wisely

Whether you know what you need, or not sure what you need, we can help. Finding the right solution for your applications, use-cases, and budget can be EASY. 


Sometimes you need the best equipment, with highest performance and capabilities.  Other times, paying for the best is not needed, warranted, nor affordable.  We understand the desire to spend as little as possible to get the most that meets a majority of your performance needs. 


Price vs performance is relative to the application.

Let us help guide you to your best solution.  

Contact Us

What kind of sonar?

Single Beam

Single point coverage.  Simple XYZ depths

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Multibeam

100% coverage.  Multibeam, underwater point cloud coverage

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Multibeam - Environment, Applications

Inland, Smaller Areas, Good Resolution

Shallow water (0.5 to 100m)

Bathymetry

Smaller survey areas

Reliable Performance, Ease-of use

Good Resolution, Good data quality

Budget Options


Rivers, Ponds, Lakes, Marinas, Mining

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Inland or Offshore, Larger Survey Areas, High Resolution

Shallow to Mid-water (0.5m to 500m)

Bathymetry, Backscatter, Water Column

Many additional features and options

Superior Data Quality

Highest Resolution

Widest Swath - maximum productivity


Lakes, Offshore, Infrastructure, Marine Construction, Feature detection

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Survey Boat or USV, or Both

Do you want Hydrographic payload equipment to be used on/off a remote-controlled Uncrewed Surface Vessel (USV)?


1-2 person portable

Davit or trailer launch

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Single Beam Echosounders - SBES

SBES - EchoSounder on a Stick

- 0.1m to 100m

- Affordable

- Integrates w/ standard land surveyors data loggers and field software

- Single or Dual Frequency

- Raw water-column Echogram output


Ideal for Land Surveyors

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SBES - Portable, Shallow Water

- 0.1m to 200m

-One-box splash-proof solution with internal battery and data logging

- Single or Dual Frequency

- Optional RTK GPS included

- Compatible with HYPACK, QPS, HydroMagic, Chesapeake 


When portability and ease of deployment is critical

See Options

SBES - High Power, Permanent Install

- 0.5 to 6000m

- Superior penetration into sediment

- Great for permanent installations

- Ideal for dynamic dredging environments 

See Options

Multibeam Echosounders - MBES

MBES - Underwater Point Cloud Mapper for Geospatial User

  • 0.5 to 40m depths
  • 130° swath 
  • 4x water depth coverage
  • 1.4° x 1.7° degree angular resolution
  • 512 beams
  • 400kHz
  • 1.7kg Compact, Portable


  • No Topside !
  • Outputs Georeferenced XYZ data ready for processing

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MBES - Affordable, Entry-level for Hydrography

  • 0.5 to 100m depths
  • 130° swath 
  • 4x water depth coverage
  • 1.0° x 1.4° degree angular resolution
  • 512 beams
  • 400-550kHz
  • 3.5kg Compact, Portable


  • Why pay for bells and whistles you dont need??  Just get it done.

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MBES - Very Shallow water, High-resolution, high productivity

  • Very Shallow water applications (0.3 to 10m)
  • Swath as wide as 220°
  • 12-16x water depth coverage
  • 1024 beams

See Options

MBES - High Resolution, High Productivity

  • 0.5 to 500m
  • 170°-210° swath
  • 7x water depth coverage
  • 1.0° x 1.0° degree angular resolution
  • 1024 or more beams
  • 200-400kHz frequency agile
  • Excellent Data Quality
  • Advanced User Interface
  • Advanced features and options


CONTACT FOR MORE INFO AND PRICING IN THIS RANGE

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MBES - Ultra-High Resolution, Supreme Data Quality

  • 0.5 to 500m
  • 170°-210° swath
  • 7x water depth coverage
  • 0.25° x 0.5° degree angular resolution
  • 1024 or more beams
  • 200-800kHZ
  • Superior Data Quality
  • Advanced User Interface
  • Advanced features and options
  • Highest resolution option on the market


CONTACT FOR MORE INFO AND PRICING IN THIS RANGE

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Uncrewed Surface Vessels (USV's)

USV - 1-person Portable

  • Autonomous mission planning
  • Carried by 1-2 people
  • Multibeam or Single Beam
  • Minimal onsite assembly
  • 2-3' waves/chop
  • 6knot max speed
  • 2.5knot typical survey speed
  • 18 hours duration
  • >10km controller range 
  • >10km communication range
  • Cellular option
  • Integrated Camera 
  • 17kg (37lbs) w/ batteries
  • Payload 15 kg (33 lb)
  • 47 x 36.5 x 18 in (Deployed) 
  • Affordable


  • Applications: Mining, ponds, rivers, marinas, inspection

See Options

USV - Inland Nearshore

  • Autonomous mission planning
  • Trailerable, or assembled on site in 60min
  • Multibeam or Single Beam
  • Operates in SS3 conditions
  • 6knot max speed
  • 3knot typical survey speed
  • 10 hours duration at survey
  • Cellular, Starlink Comms
  • Integrated Camera 
  • 250lbs with batteries
  • Payload capable: 100lbs
  • 8' x 4'

See Options

USV - Nearshore, Offshore

  • Autonomous mission planning
  • Trailerable
  • Multibeam, SBP
  • Operates in SS4 conditions
  • 11knot max speed
  • 5knot typical survey speed
  • 15 hours duration at survey
  • Cellular, Starlink Comms
  • Integrated Camera 
  • 450lbs with batteries
  • Payload capable: 250lbs
  • 16' x 8'

See Options

USV - Nearshore, Offshore 3 -Day Endurance, High Speed

  • 0.5 to 500m
  • 170°-210° swath
  • 7x water depth coverage
  • 1.0° x 1.0° degree angular resolution
  • 1024 or more beams
  • 200-400kHz frequency agile
  • Excellent Data Quality
  • Advanced User Interface
  • Advanced features and options


CONTACT FOR MORE INFO AND PRICING IN THIS RANGE

See Options

Ancillary Equipment & Software

Inertial Navigation Systems

Applanix Surfmaster

Applanix Wavemaster

Applanix Oceanmaster

POSPac

See Options

Sound Velocity and Environmental Sensors

AML Oceanographic

See Options

Hydrographic Software

HYPACK

QPS

Chesapeake

CARIS

See Options

Sub Bottom Profiler

Innomar Smart

Innomar Compact

Innomar Medium

See Options

Sidescan Sonar

Edgetech

Starfish

See Options

Lidar

Ouster OS1 and OS2

32-128 channels

35 to 200m range

See Options

Other

Mounting poles (USM, Portus, other)

GPS/GNSS

ADCP's

See Options

Our Partners


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