| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that a light source is detected best from the front so as to confirm light quantity variation, but when there are a plurality of light sources, detectors for light quantity checking which are as many as the light sources are needed and the device constitution becomes complex.SOLUTION: A reaction vessel conveying mechanism 117 used in common for a plurality of detection parts is provided with a detector 130 for light source light quantity checking, and the detector 130 checks the quantity of light of a light source 124. |
