Power supply quality tester of IT (Information Technology) server equipment and test method

The invention provides power supply quality tester of IT (Information Technology) server equipment and a test method. The power supply quality tester of IT server equipment comprises a power supply input module, a data acquisition module, a data processing module, a setting module and a test module, wherein the power supply input module is used for arranging at least one socket directly connected with equipment to be tested and inputting current data of at least one equipment power supply to be tested through the socket, the data acquisition module is used for acquiring the current data, the data processing module is used for rapidly carrying out the Fourier transformation of the current data and calculating various current harmonics, the setting module is used for setting the standard numerical values of the current harmonics, the test module is used for testing whether the current harmonics are smaller than or equal to the current harmonics, and the equipment power supply to be tested is qualified if the cu