Overview

The integrated rebar scanner is a portable device used for testing the construction quality of existing and new reinforced concrete structures. It can determine the position and arrangement of rebars, detect the thickness of concrete cover with known rebar diameters, and has a rebar arrangement scanning function. In addition, it can detect the position of magnetic and conductive objects in non-magnetic and non-conductive media, such as cables and water heating pipes inside walls. The instrument is an intelligent non-destructive testing device with automatic detection, data storage and output functions.The product complies with the requirements for rebar cover gauges specified in GB 50204-2015 Code for Acceptance of Construction Quality of Concrete Structures.

1.1 Performance Features

. Detect the thickness of concrete cover with known rebar diameters.

. Estimate rebar diameters and the corresponding concrete cover thickness with unknown diameters.

. Detect the position and trend of rebars in concrete structures.

. Detect the thickness of concrete cover under a certain test surface (test line) and display grid (or profile) images.

. Instrument self-calibration function.

. Storage, viewing and deletion functions of test data.

. Memory card storage for more convenient and fast data transmission.

1.2 Working Principle

The instrument emits an electromagnetic field to a local area inside the tested structure through a sensor, and simultaneously receives the induced magnetic field generated by ferromagnetic media (rebars) within the coverage of the electromagnetic field, and converts it into an electrical signal. The host system analyzes and processes the digitized electrical signal in real time, and displays it in various forms such as graphics, numerical values and prompt tones, so as to accurately determine the rebar position, concrete cover thickness and rebar diameter.

1.3 Technical Parameters