| 摘要 |
PROBLEM TO BE SOLVED: To provide a underwater radiation measuring device for providing an unnecessary load to a radiation detecting device. SOLUTION: A measuring device 10 measures a level of radiation of flowing discharge water W. The measuring device 10 includes a radiation detecting device 1 having an extending cable 1w and a long guide steel pipe 2. The guide steel pipe 2 hung with the cable 1w houses therein the radiation detecting device 1. The guide steel pipe 2 has an opening 2a formed in an upper end face and a base lid 2b closing water-tightly a lower end face. The guide steel pipe 2 is substantially vertically placed in the discharge water W so that the opening 2a of the guide steel pipe 2 is positioned above the water surface of the discharge water W. Therefore, the unnecessary load is not given to the radiation detecting device 1 without wetting the radiation detecting device 1. COPYRIGHT: (C)2011,JPO&INPIT
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