| 摘要 |
PROBLEM TO BE SOLVED: To provide a measuring instrument which can perform high-precision measurement.SOLUTION: The measuring instrument 1 includes: a housing 2 which incorporates a measuring circuit 3 having a semiconductor device 32 for performing measurement processing and has a hermetically sealed structure; a fan 6 for stirring the gas within the housing 2; a dehumidifying agent 7 for removing the water within the housing 2; a first heat sink 4 which is provided in close contact with the semiconductor device 32 to radiate the heat of the semiconductor device 32 into the inside of the housing 2; and a second heat sink 5 which is provided on the inner surface of the housing 2 to radiate the heat within the housing 2 into the outside of the housing 2. |
