Detection device and detection method used for evaluating uniform corrosion of metal material

The invention discloses a detection device for evaluating the uniform corrosion of a metal material. The detection device comprises a matrix type acquisition device located on a metal surface to be detected; the matrix type acquisition device comprises at least one acquisition unit, wherein each acquisition unit comprises an eddy current sensor; and the detection device further comprises an eddy current detector connected with the eddy current sensors and a database management device connected with the matrix type acquisition device and the eddy current detector. According to the detection device for evaluating the uniform corrosion of the metal material, the matrix type acquisition device used for acquiring data and the database management device connected with the matrix type acquisitiondevice are adopted, so that the occurrence time and corrosion degree of the uniform corrosion of the metal material can be evaluated more intelligently, timely, accurately and scientifically; the further corrosion deteriorat