| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a gas measuring instrument capable of measuring the diffusion amount of the chemical substance from a material or part, in a state of temperature rise. Ž<P>SOLUTION: The gas measuring instrument is equipped with a cavity type container 1 having a gas inlet 2 and a gas outlet 3, a heat-insulating means 4 applied to the cavity type container 1, a gas supply means 5 installed upstream on the gas inlet side of the cavity-type container 1, a flow rate control means 6 applied to the gas supply means 5, a gas purify means 7 applied to the gas supply means 5, a heating means 8 applied to the gas supply means 5 for producing a heated gas, and a temperature control means 9 for controlling the temperature of the gas in the cavity type container and constituted capable of measuring the diffusion amount of the chemical substance from a measurement target 10 at about several 100°C. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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