Type A portable phased array test block

The portable phased array test block has a series of regular through holes and official holes of different positions, different angles and different sizes to simulate the defects, which can be used to calibrate the transverse (longitudinal) resolution, short defect resolution and fan scanning Angle resolution of the phased array ultrasonic flaw detector. According to different functions, it can be divided into type A portable phased array test block and type B portable phased array test block. The specific structure and parameters are as follows.