Complete GPR System for Road Inspection

The RoadScan™ 30 system provides users with an effective tool for quickly determining pavement layers at high speeds. RoadScan is able to collect data densities not obtainable using other labor-intensive methods commonly used for pavement testing.

  • Max Depth

    91 cm (3 ft)

  • Antenna Options/ Antenna Frequency

    2 GHz, 1 GHz

  • Weight

    49.8 kg (110 lbs)

  • Storage Capacity

    900 GB

  • Optional Software
  • Accessories

    Antenna vehicle front mount, Antenna vehicle trailer mount

Typical Uses
The RoadScan 30 is typically used to:
  • NDT road evaluation
  • Measure pavement thickness
  • Evaluate base and sub-base conditions
  • Measure asphalt prior to milling operations
  • Determine areas to core
System Includes
  • SIR 30 Control Unit
  • 1 or 2 GHz Horn antenna
  • Wheel-mounted distance measuring instrument (DMI)
  • 7 m control cable
  • SIR 30 power supply
  • SIR 30 transit case
  • 2-year warranty
Upcoming Training Events
View All Events
Quick and effective road analysis surveys
Determine pavement layer thickness and evaluate base and sub-base layers with limited, to no need, of coring required.
  • GSSI RoadScan System

    Non-destructive Pavement Testing

    The RoadScan can quickly collect pavement layer thickness data. The system acquires data at highway speeds, which eliminates the need for lane closures and provides a safer working environment.

  • Deliver Pavement Evaluation Results

    Data can be easily exported as ASCII output files for simple data transfer to other software programs. Or migrate data results as Google Earth™. kml file for enhanced visualization.

Data Examples
RoadScan - Data Example 1
Pavement Layer Data

Data illustrates the base layer (green) with original pavement (red) and pavement overlay (blue). This data was collected using the RoadScan 30 with the 1 GHz Horn antenna.

RoadScan - Data Example 2
Pavement Layer Data

Dual-channel data represents pavement layer data (top profile) collected with a 2 GHz Horn antenna, and base/ sub-base layer data collected with 400 MHz antenna (bottom profile).

RoadScan - Data Example 4
Pavement Layer Data Exported to Google Earth™

Deliver results with ASCII output files for simple data transfer to other software programs. This data example represents RoadScan 30 data results that has been integrated with Google Earth™.

SystemSIR 30
Antenna SupportCompatible with all GSSI analog antennas
Number of ChannelsRecords data from 1 to 4 hardware channels simultaneously; two 4 channel systems can be connected to form an 8 channel system
Data StorageInternal memory: 900 GB, GPS data logged internally
Display ModesLinescan and O-scope. In Linescan display, 256 color bins are used to represent the amplitude and polarity of the signal
Operational ModesExternal laptop, standalone with external monitor and keyboard or remote command set
Data Acquisition
Data FormatRADAN® (.dzt)
Scan Rate IntervalUser-Selectable
Output Data Resolution32-bit
1-4 Channels @ 100 KHz PRFSamples | Max Rate (scans/Sec)
256 | 326 / 512 | 178 / 1024 | 93 / 2048 | 48 / 4096 | 24 / 8192 | 12 / 16,384 | 8
1-4 Channels @ 800 KHz PRFSamples | Max Rate (scans/Sec)
256 | 1449 / 512 | 990 / 1024 | 606 / 2048 | 341 / 4096 | 182 / 8192 | 94 / 16,384 | 48
Samples per Scan256, 512, 1024, 2048, 4096, 8192, 16,384
Time Range0-20,000 nanoseconds full scale, user-selectable Gain: Manual adjustment from -42 to +126 dB. Number of segments in gain curve is user-selectable from 1 to 8.
Standard Real-time FiltersLinescan and O-scope. Infinite Impulse Response (IIR) - Low and High Pass, vertical and horizontal Finite Impulse Response (FIR) - Low and High Pass, vertical and horizontal
Advanced Real-time FiltersMigration, Surface Position Tracking, Signal Floor Tracking, Adaptive Background Removal
External MarkerThree different inputs/codes: Antenna, Front panel, Accessory connector
Automatic System SetupsLinescan and O-scope. Storage of an unlimited number of system setup files for different survey conditions and/or antenna deployment configurations
LanguagesEnglish and Chinese
Operating Temperature-10°C to 50°C external (14°F to 122°F)
Power260W max at 95-250VAC 50/60Hz with the AC supply or 30A max continuous at +10VDC to +28VDC
Transmit RateUp to 800 KHz (International), US/Canada and CE rates depend on antenna model
Available PortsAntenna inputs (2 or 4), Survey wheel, Marker, DC power input, Serial RS232 (GPS port), Sync connector, Accessory connector, HDMI video, Ethernet to PC, 4 USB ports
Dimensions17.7 x 13 x 5.1 in (45 x 33 x 13 cm)
Weight18.5 lbs (8.4 kg)
Relative Humidity<95% non-condensing
Storage Temperature-40°C to 60°C
Contact our Sales Team

Please provide the following information and we will contact you shortly.
If you prefer, call 603-893-1109. If you need to contact Training, click here.