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Save thousands on your next job by determining concrete pavement/flatwork thickness in 1-Easy Step. Perform over 60 tests in an hour on-site!

No more coring, drilling or excavating to determine concrete slab thickness & integrity with Olson's Concrete Thickness & Flaw Gauges.

Concrete Thickness/Flaw Gauges are dedicated Impact Echo based platforms designed to test concrete thickness in straighforward situations that involve simple structures such as slabs, pipes or walls. All Models include a telescoping pole for overhead or flatwork.

The CTG™ requires no special knowledge or training. Use it right out of the case with built-in default concrete parameters. For even greater accuracy, the unit features a simple calibration mode to measure the concrete velocity. Simply test at a point of known concrete thickness as a calibration reference for the speed of sound in that concrete and start testing! Download the CTG Product Brochure to see all the models available.

Check out our enhanced Model that includes the ability to perform Spectral Analysis of Surface Wave Testing...

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FE A T U R E S
 
  • Ruggedized handheld test head with integrated displacement transducer and solenoid impactor
  • No coupling agents required for use of test head on concrete
  • Works on cured, hardened concrete suspended in air at any angle, or slab on grade
  • Easy to read transflective LCD display for outdoors and switchable backlight for indoors
  • Works through paint and most types of bonded tile..it even checks tile bonding!
  • English (inches) or Metric (centimeters) units with the click of a button
  • Easy velocity calibration at known thickness location, or use Olson's default parameters
  • Download test time/date and results directly into your PC through serial port (serial cable and serial USB cable)
  • Import thickness data table into popular spreadsheet programs
  • Super Thin (ST) and Surface Wave (SW) concrete options available on various models, download brochure for all the details!
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