PROBLEM TO BE SOLVED: To provide a radioactive suspended particulate matter measuring instrument and a radioactive suspended particulate matter measuring method capable of detecting radioactive rays respectively radiated from micro particulate matter and coarse particulate matter by separating suspended particulate matter into the micro particulate matter and the coarse particulate matter.;SOLUTION: A radioactive suspended particulate matter measuring instrument 100 includes a storage wall part 1, a pump 2, a classifier 3 for classifying suspended particulate matter into coarse particulate matter and micro particulate matter, a tape supply part 4, and a radiation detection part 5 provided with a first detector 51 and a second detector 52.;COPYRIGHT: (C)2013,JPO&INPIT
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