| 摘要 |
PROBLEM TO BE SOLVED: To solve a problem wherein a material and structure of a container, and a material and structure of a measuring detecting part are greatly limited, since the measuring detecting part contacts, directly or via a mechanical inclusion, with a vapor of a liquid of a measuring object to detect fluctuation of a pressure value, in a pressure measuring method for a gas phase part in the container for storing the liquid and the vapor of the liquid together in the conventional art. SOLUTION: The simple pressure measuring method of the present invention is provided without limiting the material and structure of the container, and an installation condition, since a temperature of the container for storing the liquid and the vapor of the liquid together is measured to conduct calculation by inputting it, according to a calculation expression and a calculation procedure capable of calculating an equilibrium vapor pressure of the liquid by substitution with a temperature value of the liquid of the measuring object written preliminarily in a computer and/or a storage device, each of which are one of main constitute elements of the present invention and since a calculation output value is output-value-displayed in a pressure indicator, and a device using the same is also provided in the present invention. COPYRIGHT: (C)2008,JPO&INPIT
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