A fuel elements alpha-contamination tester, containing the fuel elements tandem loading module and unloading module, each of which includes a fixed frame with cradles, position sensors of fuel elements, measurement module located between the loading module and unloading module, which includes the detection units of alpha radiation from the surface of fuel elements, pneumatic cylinders with position sensors of rods for forwarding samples with source of alpha radiation, characterized in that the loading module is provided with movable automated carriage with cradles for forwarding fuel elements to the measurement module and thereafter to the unloading module, besides the loading and unloading module are equipped with movable racks for placing the fuel elements on the cradles of the modules and carriage, and the samples with natural uranium isotopes are used as the source of alpha radiation for adjustment of the measurement module.