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    • 5. 发明公开
    • AUTOMATIC ANALYZING APPARATUS
    • 自动分析
    • EP2755038A4
    • 2015-04-08
    • EP12829330
    • 2012-07-19
    • HITACHI HIGH TECH CORP
    • TAKAHASHI KENICHIYAMAZAKI ISAO
    • G01N35/10G01N35/02
    • G01N35/1011G01N35/025G01N35/1016G01N2035/0441G01N2035/0443G01N2035/1025Y10T436/115831
    • This invention provides an automatic analyzer adapted to enhance sample/reagent dispensing accuracy, regardless of a difference in sample/reagent dispensing height of a dispensing probe. When the amount of sample in a sample container is small, tip height "h1" of a sample dispensing probe 17 positioned immediately after it has aspirated the sample decreases below tip height "h'" of the sample dispensing probe 17 positioned immediately before it discharges the sample. The sample in this state takes a concave shape at the tip of the sample dispensing probe 17 positioned immediately before it discharges the sample. When the amount of sample in a sample container is large, tip height "h2" of the sample dispensing probe 17 positioned immediately after it has aspirated the sample increases above the tip height "h'" and the sample takes a convex shape at the tip of the sample dispensing probe 17 positioned immediately before it discharges the sample. The difference in the sample-aspirating tip height of the sample dispensing probe 17 appears as a difference in a discharge quantity of the sample. Highly accurate and highly reliable data measurements can be performed by detecting the sample-aspirating tip height of the sample dispensing probe 17 and correcting a discharge quantity of the sample appropriately as the amount of driving of a fixed-volume dispensing syringe 25, according to the detected tip height.