| 摘要 |
PROBLEM TO BE SOLVED: To improve the measurement accuracy of the liquid level of fluid the concentration of whose solute fluctuates.SOLUTION: The observation system includes: a first sensor installed in fluid whose liquid level changes for measuring the pressure and temperature of the fluid; a second sensor for detecting matching between the liquid level with the installation position of the first sensor as a reference and a predetermined reference liquid level; and an observation device having a first calculation part for calculating the liquid level from the pressure and temperature of the fluid measured by the first sensor and the concentration of the solute contained in the fluid, and for outputting the calculated liquid level as an observation result and a second calculation part for, when the matching between the liquid level and the reference liquid level is detected by the second sensor, calculating the concentration of the solute from the pressure and temperature of the fluid measured by the first sensor and the reference liquid level. The first calculation part calculates the liquid level by using the concentration of the solute calculated by the second calculation part. |
