| 摘要 |
PROBLEM TO BE SOLVED: To provide a vapor dryness or wetness measuring instrument, having a wide measurable range of dryness and capable of simply measuring dryness or wetness. SOLUTION: A vapor supply passage 2, for supplying vapor to be measured, is connected to a measurement container 5 for storing a prescribed amount of a liquid, and a head pressure sensor 20 for detecting the amount of vapor supplied is attached to the measuring container 5. Temperature sensors 18 and 19 for detecting the temperature of the liquid in the container 5 are attached to the side part of the container 5. The enthalpy of the vapor to be measured is operated from the temperature rise of the liquid in the container 5 and a supplied amount of vapor, and the dryness or wetness of vapor can be further calculated from the enthalpy.
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