| 摘要 |
A measuring device includes an irradiation optical system and a detection optical system. The irradiation optical system includes a light-emitting element and a mixing rod. The detection optical system includes a lens and an imaging element. Light from the light-emitting element enters into the mixing rod, where it is mixed. The light mixed inside the mixing rod is irradiated onto an immunochromatography test piece as measurement light. The light transmitted by the immunochromatography test piece is formed as an image on an acceptance surface of the imaging element, by means of the lens. The imaging element captures the image formed by the lens at the acceptance surface.
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