| 摘要 |
An instrument for measuring the quality of a welding unit according to an embodiment of the present invention comprises: first and second plate members; the welding unit formed at a point where the first and second plate members are connected; a magnetic field generation unit for generating a magnetic field to the welding unit; and a magnetic pick-up element for receiving and detecting the magnetic field generated in the magnetized welding unit. Thus, the present invention can quickly and accurately determine the quality of the welding unit by generating the magnetic field in the welding unit using the magnetic field generation unit and detecting the magnetic field generated in the magnetized welding unit using the magnetic pick-up element. |
