CPC G01T 1/169 (2013.01) [G01T 1/167 (2013.01); G01T 7/08 (2013.01)] | 14 Claims |
1. A large-area radioactive surface contamination measurement device, comprising:
a frame body with a plurality of holes formed;
a mover connected to the frame body to move the frame body;
a plurality of radiation detection modules, each seated in the plurality of holes to detect at least one of: alpha rays, beta rays, and gamma rays; and
a control unit for calculating a radioactive contamination location and a radioactive contamination level by comparing detection values of the plurality of radiation detection modules with each other;
wherein each radiation detection module comprises:
a counter seated in each of the plurality of holes, each counter having at least one horizontally extending seating wing for seating the counter;
a photomultiplier tube coupled to the counter; and
a channel unit mounted on the photomultiplier tube.
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