| 摘要 |
PROBLEM TO BE SOLVED: To provide a survey meter that can assure waterproofness by a simpler configuration.SOLUTION: A survey meter for measuring radiation comprises: a case including a lower case piece 31 and a battery cover 50 arranged so as to face the lower case piece 31; and a seal member 60 placed between the lower case piece 31 and the battery cover 50 for sealing fluid-tight between both. The seal member 60 has a substantially U-shaped cross section including a first leg part 61, a second leg part 62 situated outer side than the first leg part 61, and a coupling part 63 for coupling ends of the first and second leg parts 61 and 62. The first leg part 61 and the second leg part 62 have length different from each other.SELECTED DRAWING: Figure 8 |
