RADIATION MEASURING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a radiation measuring device which does not require a mechanism for sliding collimators.SOLUTION: A radiation measuring device includes: a plurality of radiation detectors for inspecting radioactive substances and for identifying positions of the radioactive substances; a shield for shielding the plurality of radiation detectors; a plurality of collimators provided in front of each of the plurality of radiation detectors in order of decreasing view angle from the side of an opening of the shield; and a plurality of radiation detection elements which are provided to each of the plurality of radiation detectors and which are arranged along an optical axis direction of the plurality of collimators.SELECTED DRAWING: Figure 1