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WebNov 8, 2024 · Method #1: Using a Handheld Rebar Locator. You can go to a concrete surveying company and rent a small handheld rebar locator. You do need to make sure that the unit in question is designed for locating metal rebar, or else it will not work. These units look like stud finders and can usually detect rebar down to 8 inches below the surface of ... WebJul 31, 2013 · ZBL-R630A is used to test the location of rebar in concrete, the thickness of the protective layer, and the diameter, orientation, and distribution of rebar by using an electromagnetic induction method. It also can be used to test the distribution of magnetic and conductor such as cables and metal pipes in non-magnetic medium and non … Web2 Radiographic Methods. Gamma- and X-ray inspection of concrete and masonry structures is a wide spread application. It provides highly resolved transmission images of these … the paper girl of paris movie