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Phone: 02 9453 9999 or Email: sales-operations@pcte.com.au
A unique battery-powered instrument for measuring low corrosion current values for CorroRisk and CorroWatch probes. Able to measure to 6 individual carbon steel electrodes.
Overview | GX1 vs GX2 | SUE & Utilities | Structures & Pavements | Software & Outputs | Case Studies | Specifications | Support
Collect high-density, georeferenced GPR data across wide areas and view the subsurface in 3D as you scan. Choose the GX2 array for SUE and utility mapping, or the GX1 array for structural, bridge and pavement investigations.
Best suited to:
Best suited to:
Recommended array: GX2
Recommended array: GX1
Cover more ground
Collect multiple parallel profiles in one pass instead of uilding a grid line by line.
See results during acquisition
View georeferenced radargrams and time-slice information in the field rather than waiting until the data is returned to the office.
Produce repeatable mapped data
Combine wheel-positioned GPR data with GNSS, project coordinates and survey linework.
Use one platform for two very different applications
Exchange GX1 and GX2 arrays without purchasing two complete cart platforms.
The GX2 transforms the GS9000 into a high-density subsurface utility mapping system. Its 11-channel, low-frequency GPR array captures an 83 cm-wide swath in each pass, helping operators detect and map buried pipes, ducts, cables, voids and other subsurface features. Live georeferenced data lets SUE teams review coverage on site and produce accurate CAD, GIS and project-coordinate deliverables.
1. Plan the survey
Load satellite imagery, CAD information, project coordinates or survey control.
2. Collect dense multichannel data
Survey an approximately 0.82 m-wide swath with 11 channels in each pass.
3. Review data live
Examine radargrams, georeferenced time slices and marked features while still on site.
4. Interpret and digitise
Add points, linework, tags, photographs and field observations.
5. Process and deliver
Merge survey areas, apply processing and export mapped information for the customer’s CAD, GIS or reporting workflow.
The CorroZoa is an ideal instrument for measuring very small corrosion currents in the microamp range produced in CorroWatch and CorroRisk sensor installations.
The measurement of small currents in the microamp range is inaccurate with a conventional multimeter/ammeter due to loading by the meter.
Standard measurement devices insert a resistance into the circuit and report the current as the voltage across the resistance divided by the resistance.
In most circuits, where a small current measurement is to be taken, the insertion of this resistance by the ammeter can cause significant error.
In contrast to standard devices a Zero Ohm Ammeter counters the effect of the inserted resistance by keeping the voltage drop across the input terminals below a few microvolt.
The current used to maintain the null voltage across the terminals is precisely measured, displayed and made available at the output measurement pins. Because there is no burden on the measured circuit, the reported current is extremely precise.
Special properties:
Measuring channels:
The CorroZoa will run for approx. 200 hours on a fully charged battery at 20 °C. Charge time for a full charge is approx. 2 hours.
Book a SUE Workflow Demonstration
The GX1 transforms the GS9000 into a high-resolution structural assessment system for concrete slabs, bridge decks and pavements. Its dense, dual-polarisation array captures detailed 3D data across wide areas, supporting reinforcement and cover mapping, moisture and deterioration assessment, and analysis of asphalt and pavement layers. Live visualisation helps confirm survey coverage on site, while post-processing tools produce clear, report-ready condition maps.
1. Define the inspection area
Import the structure, bridge, pavement or survey background.
2. Collect closely spaced profiles
Capture 35 longitudinal and 15 cross-polarised channels with dense spacing.
3. Review coverage in the field
Use live radargrams and time slices to confirm that the required area has been captured.
4. Process the dataset
Apply velocity, gain, background removal, migration, filtering and topographic correction as appropriate.
5. Generate diagnostic maps
Create depth slices, reinforcement maps, layer information or application-specific condition maps.
6. Integrate with the engineering assessment
Export figures, mapped anomalies and raw data for inclusion in the engineer’s final interpretation and report.
Field information
Processed Diagnostic Information
Engineering deliverables
Book a Structural Assessment Demonstration
GS9000 cart with:
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