| 摘要 |
PROBLEM TO BE SOLVED: To provide a component-in-oil measuring method that realizes measurement of information about a component dissolved in oil without extracting the component dissolved in the oil, and to provide an oil-filled electric instrument suitable for the measurement by the component-in-oil measuring method.SOLUTION: A component-in-oil measuring method for measuring a component dissolved in oil includes: an exposure step of exposing the oil to a laser beam for laser Raman spectroscopy; a spectrum detection step of, from Raman light scattered by the oil, acquiring a Raman spectrum, which shows an intensity distribution of the Raman light to Raman shift being a shift amount of the Raman light from a frequency of the laser beam; and a measurement step of acquiring information about the component dissolved in the oil, on the basis of the Raman spectrum. |
