Four-frequency eight-channel far-field eddy current detector

The utility model provides a four-frequency eight-channel far-field eddy current detector. The detector comprises a detector body, the detector body is fixed on the mounting plate; wherein a buffer device is arranged at the lower end of the detector body, the mounting plate is connected with the buffer device through a rotating column, limiting columns are further arranged between the mounting plate and the buffer device, the limiting columns comprise a first limiting column and a second limiting column, the first limiting column is arranged on the left side of the rotating column, and the second limiting column is arranged on the right side of the rotating column. According to the utility model, the use safety and the durability are improved; in addition, the rotating column and the rollers are additionally arranged at the bottom of the box body, so that the detector is greatly convenient to use and move, and the detection efficiency is effectively improved.