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Behavior of materials under stress is evaluated by Acoustic Emission (AE) technique. This NDT technique is used in many applications such as inspection of huge storage tanks, monitoring of welding & shaft straightening process, integrity testing of pressure vessels, study of deformation & fracture in material testing, failure studies of rocks & concretes and many more. This PCI bus based analyzer is four channel data acquisition and analysis board (AEDAQ) using state-of-the-art technology like FPGA & DSP with 14 bit 10 MSPS ADC along with flexible & easy to use Windows 98/2000 based software having advanced GUI. The know-how of AEDAQ with associated software offered which is used to build an advanced NDT system incorporating appropriate piezo electric sensors and low noise pre-amplifiers as per applications. Sensors and pre-amplifiers are bought out items and are available in the market. The system is expandable in steps of four channels.
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