Ground Penetrating Radar (GPR) systems - GSSI


StructureScan™ Mini

  • Overview
  • Benefits
  • Data Examples
  • Specifications
  • Software

The StructureScan™ Mini is GSSI’s all-in-one GPR system for concrete inspection. This hand held system locates rebar, conduits, post-tension cables, voids and can be used to determine concrete slab thickness in real-time.

The StructureScan Mini safely locates metallic and non-metallic targets within concrete structures up to a depth of 20 inches. The system incorporates an auto target feature that marks the detection of features of interest. This function also estimates the depth of targets and automatically adjusts the depth scale.

The StructureScan Mini is offered in two versions— the original or the StructureScan Mini with 3D.

Typical Uses for StructureScan Mini Include:

  • Concrete inspection – locate metallic and non-metallic targets in walls, floors and ceilings
  • Structure inspection – bridges, monuments, walls, towers, tunnels, balconies, garages, decks
  • Condition assessment – map relative concrete condition for rehab planning
  • Measure slab thickness
  • Void location

More information: StructureScan Mini Brochure

Integrated, Compact Design

  • Lightweight and simple to transport, all-in-one unit weights about three pounds
  • User-friendly, intuitive navigation
  • Easy data transfer to flash card
  • Four wheel drive survey encoder
  • Locate and mark targets quickly with backup cursor feature and innovative laser positioning

System Flexibility

  • Locate rebar, post tension cables, conduits (PVC and metal) in real-time
  • 3 dimensional images: simplified data collection and provides easy-to-interpret data images (StructureScan Mini 3D)
  • Data is displayed in simple plan view on a high-resolution, 5.7 inch color screen
  • Built-in automatic target detection software
  • Automatic depth calculation


  • Durable components that have been tested to be dust proof and water-resistant (IP-65 rating)
  • No site hazards or need to close off work areas as with radiography (X-Ray)


  • High-end system at an entry level price
  • Two-year warranty
StructureScan Mini 3D Data StructureScan Mini 2D Data

StructureScan Mini 3D data showing rebar

Rebar Mat

StructureScan Mini 2D data showing rebar

Rebar Mat


StructureScan Mini 3D data showing PT cable

PT Cable

PT Cable


StructureScan Mini 3D data showing non-metallic conduit

Non-metallic conduit
shown at depth slice of 2.75 inches

StructureScan Mini 2D data showing mon-metallic conduit

Non-metallic conduit
in two- dimensional profile

Systems Include

  • All-in-one control unit, 1600 MHz antenna and survey wheel combo
  • Dual battery charger
  • Two batteries
  • Rugged carrying case
  • Quick Start Guide
  • Training Video
  • Sample 3D data collection grid pack (StructureScan Mini 3D)


  • Memory: Based on SD card size, default is 2 GB
  • Display: 5.7", full-color
  • Post-processing: On-screen or via GSSI software (optional)
  • Battery: 2.5 hours
  • Ports: SD card, USB port
  • Environmental: Water-resistant and dust proof (IP-65 rating)
  • Languages: English, Spanish, French
  • Weight: 1.6 kg (3.3 lbs)

GSSI offers several optional software packages that allow users to post-process StructureScan Mini data for further interpretation.

RADAN™ for StructureScan Mini

RADAN for StructureScan Mini is a post-processing software package for the StructureScan Mini Series. It is designed to process, view, and document 2D and 3D data collected with the StructureScan Mini and StructureScan Mini HR. The software features bold and intuitive menu screens and clear data views for easy interpretation and enhanced post-processing capabilities.

Data Processing And Annotation

  • Processing of 3D data sets collected with the StructureScan Mini and Mini HR
  • 3D target input – customize size and color of targets
  • Virtual 3D borehole
  • Multiple color table and transform options
  • Windows® 7 based user-interface


  • Background Removal filtering
  • Data Migration (focusing)
  • Gain (Contrast) Control
  • Use Ground Truth for accurate depth calculations

Report Building

  • Report Writer – custom report output using MS Excel
  • Copy data images to third party software for documentation purposes
  • Add targets as colored circles and export target information in an Excel format
  • Save data images as a JPG file
  • Print to all Windows supported printers

RADAN for StructureScan Mini 2D data example

Data illustrates a volumetric view of a rebar mat with user-defined virtual borehole location.

RADAN for StructureScan Mini 2D data example

Data illustrates a rebar mat in a test slab. Targets are identified and marked using software Target Picking tool.

System Requirements

  • A Core i3 or better processor (2.0 GHz or greater recommended).
  • GSSI will only support RADAN StructureScan Mini running on Windows Vista SP2, Windows 7 or Windows 8.
    Note: While some laptops or desktops will say Vista ready, a Windows Vista Business Edition requires a minimum 1 GHz 32- or 64-bit processor; 1 GB of RAM; 128 MB of graphics memory, and 32 bits per pixel;
    40 GB hard drive with 15 GB free space; DVD-ROM drive; audio output capability, and the ability to access the Internet.
  • 2 GB of RAM minimum (3 GB or greater recommended).
  • 160 GB hard drive with a minimum of 20 GB available space.
  • 128 MB graphics chipset with OpenGL drivers (Note: We only support NVidia and Intel graphics chipsets.)
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