Positector 200 - Coating Thickness Gauge

The Positector 200 is an Ultrasonic Dry Film Thickness Gauge, providing a non-destructive means for determining membrane and waterproofing thickness on concrete, board, wood or plastic surfaces.

$ 0.00 AUD

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GS9000 Multichannel GPR for 3D Utility Mapping and Structural Assessment

Overview | GX1 vs GX2 | SUE & Utilities | Structures & Pavements | Software & Outputs | Case Studies | Specifications | Support

Discuss Your Application

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.

Book a GS9000 Demonstration

Best suited to:

  • Subsurface utility engineering
  • Utility locating and mapping
  • Civil and survey contractors
  • Road and corridor investigations
  • Void and subsurface anomaly surveys

Best suited to:

  • Bridge-deck investigations
  • Concrete cover and moisture mapping
  • Pavement and asphalt-layer assessment
  • Reinforcement mapping
  • Structural deterioration surveys

Recommended array: GX2

Recommended array: GX1

Why use the GS9000 instead of a conventional single-channel GPR?

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.

High-density 3D GPR mapping for SUE and utility investigations

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.

  • Utility corridor mapping
  • Detection of pipes, ducts and cables
  • Mapping non-conductive services that may not respond to electromagnetic locating
  • Congested service investigations
  • Road-crossing and easement surveys
  • Potential void and cavity investigation
  • Pre-excavation and design-stage surveys
  • Utility mapping to project or local coordinates

The SUE field workflow

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.

SUE Outputs and Deliverables

  • Georeferenced time-slice maps
  • Radar profiles
  • Utility alignments and interpreted linework
  • Depth estimates
  • Survey trajectory
  • Points of interest
  • Field photographs and annotations
  • CAD, SHP and KML outputs
  • SEG-Y raw-data export
  • Project-coordinate and local-grid outputs
  • PDF or shareable project reports

View the images below to see these in action.

Superline and B Scan from App
Freepath and b-scan from app
Geolocated tag on freepath in app
Freepath shown In GPR Insights without Hilbert Transformation
Geotagged linework added to a found sewer
3D view with a cutout showing the sewer
3d Sewer line with GPR data removed

Coating thickness measurements are commonplace in construction applications, especially measuring the applied thickness of waterproofing membrane. Specifications usually call for a minimum coating or paint thickness. We generally supply the PosiTector 200 C or the PosiTector 200 D for this application, the 200 D has an extended range and suitability over rubbery or thick coatings.

Support and Training for Waterproofing Thickness Gauges in Australia

PCTE are committed to supporting the correct application and use of the Positector 200 range and ultrasonic measurement tools in general. Our support includes operation training, including the use of Graphics mode to troubleshoot difficult measurements such as Cementitous Waterproofing Membranes or PolyUrea membranes.

  • 2 year warranty – covers both the body and probe
    • Quick maintenance turnaround as we have a local, trained full-time technician at our service centre in Sydney, NSW
  • A free training session on theory and operation is included with every purchase of the Ultrasonic Film Thickness product range (e.g. PosiTector 200 C3, PosiTector 200 D3)
    • PCTE offers a 2-hour training session to discuss theory and teach how to use the gauge
    • It is critical to be trained as users interpret the output of the gauge, adjust and configure for accurate measurements – this is the same for all ultrasonic coating thickness gauges.
  • Local stock
    • PCTE's Sydney warehouse maintains stock of DeFelsko equipment including the Positector 200.

How to select your probes

Choose your substrate:

  • Type B (Polymer coatings on wood, plastic, etc.)
  • Type C (Waterproofing and other coatings on concrete, fiberglass, etc.)
  • Type D (Waterproofin and Thick, soft coatings such as polyuria, asphaltic neoprene, very thick polymers, etc.)

Standard body models measure the total thickness of a coating system and are only recommended for simple applications, they are not suitable for waterproofing applcations.

Positector200 Probe Dimensions

Advanced models measure a total thickness of a coating system or up to 3 individual layer thicknesses in a multi-layer system of clean coatings. They also feature graphic readout for detailed analysis of the coating system, vital when measuring waterproofing.

The selection of probe determines both the maximum thickness that can be measured and the precision of the measurement.

Type C (PosiTector 200C3) is for standard coating measurement on concrete, and type D (PosiTector 200D3) is better for thicker coatings. Type B is more commonly used for testing over wood but does have a finer resolution when measuring multiple layers within a coating.

Standard gauge features

Includes ALL features as shown on below plus...

  • Colour LCD display with transflective technology enhances sunlight readability
  • Measure the total thickness of a coating system
  • Storage of 250 readings—stored readings can be viewed or downloaded

Simple

  • Ready to measure- no calibration adjustment required for most applications
  • Enhanced One-hand menu navigation
  • Flashing display- ideal in noisy environment
  • RESET feature instantly restores factory settings

Durable

  • Solvent, acid, oil, water and dust resistant-waterproof
  • Shock-absorbing, protective rubber holster with belt clip
  • Two-year warranty

Accurate

  • Certificate of Calibration showing traceability to NIST or PTB included
  • Responsive transducers provide fast, accurate readings
  • Proven non-destructive ultrasonic technique conforms to ISO 2808 and ASTM D6132

Versatile

Positector 200 Body Types
  • PosiTector body universally accepts all PosiTector 200 (200B3, 200C3, 200D3), 6000, RTR, SPG, DPM and UTG probes easily converting from a coating thickness gage to a surface profile gage, dew point meter or ultrasonic wall thickness gauge
  • Mils/Microns switchable
  • Selectable display languages
  • Hi Contrast backlit display for bright or dark environments
  • Flip Display enables right-side-up viewing
  • Uses alkaline or rechargeable batteries (built-in charger)

Powerful

  • Continually displays/updates average, standard deviation, min/max thickness and number of readings while measuring
  • Screen Capture—save screen images for record keeping and review
  • USB port for fast, simple connection to a PC and to supply continuous power. USB cable included
  • PosiSoft USB Drive—stored readings and graphs can be accessed using universal PC/Mac web browsers or file explorers. No software required
  • Every stored measurement is date and time stamped\
  • Software updates via internet keep your gage current
  • Connects to PosiSoft.net

Additional features on Advanced models

Positector200 Graphic Display
  • Measure the total thickness of a coating system or up to 3 individual layer thickness in a multi-layer system. Also features graphic display for details analysis of the coating system
  • Hi Contrast reversible color LCD
  • Storage of 100,000 readings in up to 1,000 batches and sub-batches
  • Onscreen help, real time graphing, picture prompting and more
  • Batch annotation—add notes and change batch names with onscreen QWERTY keyboard
  • Wi-Fi technology wirelessly synchronizes with PosiSoft.net, downloads software updates and connects with mobile devices for expanded functionality
  • Data transfer via USB to a PC or via Wireless Technology to a PC or printer
  • graphics mode with Screen Capture

PosiSoft Data Solution:

PosiSoft desktop

PosiTector advanced boides provides 4 FREE solutions for viewing, analysing and reporting date:

USB Drive

A simple gage interface to retrieve data in a manner similar to a flash drive. No software to install or internet connection required.

PosiSoft.net

The intuitive and familiar user interface of PosiSoft Desktop brought to your web browser. Data is securely stored in the cloud..

PosiSoft Software

Powerful desktop software for downloading, viewing, printing and storing measurement data. No internet connection required

  • Simple, intuitive user interface
  • Import readings directly from the gage via USB or from legacy PosiSoft desktop versions
  • Synchronize measurement data including readings, notes and pictures to and from PosiSoft.net

PosiSoft App

An easy-to-use mobile app (iOS/ Android) that connects to your PosiTector Advanced, PosiTector Smartlink, or PosiTest AT-A.

Systems Includes:

positector box contents

All gauges come complete with:

  • Precision Plastic Shim(s)
  • Rubber Holster and Belt Clip
  • 3 x AAA Batteries
  • Instructions
  • Wrist Strap (built in style only)
  • Nylon carry case with shoulder strap
  • Calibration Certificate (Traceable to NIST or PTB)
  • 2 year Warranty

Memory Gauges include:

  • PosiSoft Software
  • USB Cable

Accessories of selection:

  • Bluetooth Printer which received data from advanced models
  • Rechargeable batteries
  • Coating thickness standards to fulfill both ISO and in-house quality control requirements
  • AC Power Kit for continuous operation
  • Protective Lens Shields

Why the GS9000 matters for SUE businesses

  • Increase area covered per field day
  • Reduce the number of manually positioned survey lines
  • Improve coverage in congested corridors
  • Review coverage before leaving site
  • Produce higher-value mapped deliverables
  • Combine GPR and GNSS in one workflow
  • Retain raw data for later reinterpretation
  • Expand from locating into mapping and subsurface modelling

Book a SUE Workflow Demonstration

High-resolution multichannel GPR for structures, bridges and pavements

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.

  • Bridge-deck reinforcement and condition mapping
  • Concrete-cover mapping
  • Reinforcement layout and spacing
  • Moisture-related and deterioration mapping
  • Asphalt and pavement-layer thickness
  • Road and runway investigations
  • Detection of embedded features
  • Large-area concrete-slab investigations
  • Comparative and repeat surveys

The structural assessment workflow

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.

Structural outputs and engineering value

Field information

  • Live radargrams
  • Coverage map
  • Time-slice preview
  • Field annotations

Processed Diagnostic Information

  • 2D and 3D views
  • Depth slices
  • Reinforcement patterns
  • Cover trends
  • Layer-thickness information
  • Comparative amplitude or condition maps

Engineering deliverables

  • Georeferenced maps
  • Marked investigation areas
  • Selected radar profiles
  • Exported images and datasets
  • CAD/GIS overlays
  • Report-ready figures

View some of these features at work below, and our case study if you'd like to see more of what the GS9000 can do.

When to use the GS9000 rather than a handheld GPR

Use a handheld or single-channel GPR when…

Use the GS9000 when…

  • The inspection area is small
  • You need local marking before drilling
  • Rapid spot checks are sufficient
  • Manoeuvrability is the main priority
  • The output is primarily site marking
  • Large areas must be covered
  • A completely mapped dataset is required
  • Large datasets are required
  • Productivity and spatial continuity are priorities
  • The output must support reporting or engineering interpretation

Book a Structural Assessment Demonstration

One GS9000 platform

  • Onboard instantaneously mapped results
  • Interchangeable array modules
  • Foldable carbon-fibre cart
  • Rear-wheel encoders
  • Hot-swappable power banks
  • Wireless iPad operation
  • IP65 protection
  • Integrated GNSS
  • Approximately 1–5 cm real-time GNSS accuracy where suitable corrections and conditions are available
  • Free-path and structured survey methodologies

Field software, post-processing and Workspace

Field App

Workspace

GPR Insights post-processing

  • Live radargrams and time slices
  • Satellite, GNSS and CAD overlays
  • Tags, photographs, voice markers and linework
  • Field calibration and processing
  • Immediate review of survey coverage
  • Synchronise projects
  • Store and share data
  • Collaborate remotely
  • Run connected GNSS and conversion services
  • Share projects through a URL
  • Merge multiple field projects
  • Advanced 2D and 3D visualisation
  • Filtering and migration
  • Topographic correction
  • Application-specific mapping tools

Configurations and what is included

GS9000 cart with:

  • GX1 and/or GX2 array option
  • MA8000 GNSS receiver and correction options
  • Latest version of GS App with live updates
  • Advanced GPR Insights processing software access
  • Cloud storage on Workspace
  • Batteries and chargers
  • Training
  • Commissioning
  • Kit with all required cables and tools

Why purchase from PCTE

  • Australian and New Zealand application advice
  • Local demonstrations
  • Configuration selection
  • On-site commissioning
  • Operator training
  • Data interpretation and workflow training
  • Local technical support
  • Service and repair coordination
  • Assistance with GNSS, coordinate systems and deliverables
  • Access to related GPR and structural NDT equipment

PosiTector 200 Probes B C D
Probe Model (Order Code) PRB200B PRB200C PRB200D
Typical Applications Polymer coating on wood, plastic, etc. Coatings on concrete, fibreglass, etc. Thick soft coatings such as polyurea, asphalitic neoprene, very thick polymers, etc.
Measurement Range * 13 - 1000 µm
0.5 - 40 mils
50 - 3800 µm
2 - 150 mils
50 - 7600 µm
2 - 300 mils
Accuracy ± (2 µm + 3% of reading)
± (0.1 mil + 3% of reading)
± (20 µm + 3% of reading)
± (1 mil + 3% of reading)
Minimum Layer Thickness ** 13 µm
0.5 mil
50 µm
2 mils
500 µm
20 mils
Thickness Standard STDA3 STDP6 STDP1

* Range limits apply to polymer based coatings only. D probe polyurea range is 50 to 5000 μm (2 to 200 mils)

** For multiple layer applications only. Dependent on material to be tested.

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ASTM D6132
Standard Test Method for Nondestructive Measurement of Dry Film Thickness of Applied Organic Coatings Using an Ultrasonic Coating Thickness Gage
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AS 4654.2
Waterproofing membranes for external above-ground use, Part 2: Design and installation
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Positector 200 Instruction Manual

Instruction manual for DeFelsko's Positector 200 Ultrasonic Film Thickness Gauge

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