| 摘要 |
PROBLEM TO BE SOLVED: To provide a weathering test machine or the like capable of performing a reliable test.SOLUTION: The weathering test machine 1 includes: a light source 11; annular sample attachment frames 12a and 12b that rotate about the light source 11; a plurality of sample holders 13 arranged in line on the sample attachment frames 12a and 12b; a plurality of optical receivers 14a, 14b, and 14c disposed at different positions on the sample attachment frames 12a and 12b; and a control unit 16 for controlling the radiation illuminance on a sample surface by controlling the radiation intensity of the light source 11 on the basis of respective light reception values (light reception data Da, Db, and Dc) obtained by the plurality of optical receivers 14a, 14b, and 14c. |
