The Different Types of Rebar Locators and Their Uses

 

A rebar locatorhelps you find steel reinforcement bars to verify their position in concrete structures and determine their concrete cover. Specific types of reinforcement, such as post-tension or pretension strands and glass fibre rebar, require GPR systems for precision. Steel fibre reinforcement requires ultrasonic locators, as it causes magnetic rebar locators or GPR to malfunction.

 

Let’s take a look at the most high-end and reliable locators and their applications.

 

Profometer PM8000

 

The PM8000 is the successor to our Profoscope and Profometer cover meter ranges, the latest tool from Screening Eagle Technologies. It is an easy-to-use system with the full capabilities of a regular cover metre in a compact, streamlined package without loss of accuracy.

 

It can locate the depth from the surface of the concrete to the top of reinforcing steel, locate steel in concrete, or estimate the diameter of the bars. It comes with a Riflescope visual aid for precision and real-time results. The neighbour rebar correction feature ensures accuracy in situations where standard covermeters are likely to fail.

 

Concrete GPR

 

Ground penetrating radar systems use technology that makes them practical for concrete scanning. They emit electromagnetic energy into the concrete slab to record echoes from those pulses and create an image, which can help find rebars before coring, cutting, or drilling. GPR is also helpful in determining the concrete thickness and rebar geometry.

 

Ultrasonic imaging systems

 

Ultrasonic imaging is the most powerful technology for rebar locators by conducting a visual sonic test on concrete. Ultrasonic transducers generate images via tomography, making it ideal when you need intuitive images of the internal structure. The most advanced equipment uses AI and provides 2D and 3D imaging and data collection, with capabilities of reaching up to 2m in depth.

 

 

 

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