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Olson Instruments, Nondestructive Testing Equipment, Nondestructive Evaluation, Olsen | Testing Infrastructure Nondestructively

August 16, 2018

Check Out Olson's New


Affordable Foundation Test Gauge


Concrete Thickness Gauge (CTG-2)

USA Sales: 303.423.1212           Toll Free 1-888-423-1214           International Sales: Click here for Agents
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Key Features and Specifications:
Scroll down the page to see details

Contact Olson Instruments if you need more information on any of our products.


Verify Concrete Slab Thickness & Integrity
No Coring —No Drilling — No Excavating

The CTG-2 is a hand-held, battery powered, nondestructive system for measuring the thickness and integrity of concrete slabs, pavements, tunnel linings, walls and other plate-like structures using the IMPACT ECHO principle.

Requires no special knowledge or training — connect the CTG-2 to your laptop or tablet* and start testing with Olson's WinCTG2 software. For greater accuracy, simply calibrate the CTG by testing a point of known concrete thickness to obtain the concrete velocity for that job.

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Hands-on training classes are available for all of our NDE test methods at our Wheat Ridge, Colorado (USA) location, which is a suburb located appromately 15 minutes northwest of downtown Denver. Training may be available at your location by one of our agents upon special arrangement.

For complete details about any of our products, call our toll free number at 1-888-423-1214 or email Olson Instruments:



Materials Tested:

  • Concrete

Applicable on:

  • Concrete Slabs
  • Pavements
    — Parking Garages
    — AIrport Runways
  • Tunnel Linings
  • Walls
    — Precast
    — Precast Tilt-up
    — Cast-in-Place
  • Precast Panels
  • Concrete Pipes
  • Core Depth Planning


ASTM Standards:

  • C1383-04(10)