Key Features of the CTG-2 Model
  • Ruggedized, hand-held test head with integrated displacement transducer and solenoid impactor
  • Switch between English (inches) or Metric (millimeters) units with a touch of a button
  • No coupling agents required for use of Impact Echo test head on concrete
  • Easy velocity calibration at known thickness location, or use Olson's default parameters
  • Works on cured, hardened concrete in air or on grade
  • Thickness data table can be imported into popular spreadsheet programs
  • Works through paint and most types of bonded ceramic tile
  • Save results for later review
Specifications of the CTG-2 Model
  • Thickness Range: 3.2" to 20" (81 mm) to 6' (1.8m)
  • Data Collection: works with most Windows 7 - 10 devices
  • Accuracy: ± 2% when calibrated on a known thickness location
  • Frequency Resolution: 10Hz
  • Software Features:
    Olson's WinCTG2 Software is used for data acquisition and analysis
  • Number of Samples Acquired/test: 4,545
  • Sampling Rate: 45,454 samples/second
  • Max.Nyquest Sampling Frequency 22,700 Hz
  • Report Capability: use X and Y coordinates to set up a test grid. Generate a thickness summary table which can be exported to most spreadsheets in comma separated format
  • Weight: 5 lbs (2.27 kg) combined weight of test head, batteries, cables and protective case
  • Test Head Cable Length: 6 ft (1.8m)
  • Power: Uses four readily available, non-rechargeable CR123A 3V long life lithium photo batteries
  • *To test concrete and acquire data, the CTG-2 system must be used with a Windows 7 - 10 computer or tablet running Olson Instrument's WinCTG2 software. The required computer or tablet must be provided by the user.
1 Yr. Warranty Available on All Equipment Purchased