| 摘要 |
PROBLEM TO BE SOLVED: To make easily understandable which rack is to be exchanged manually. SOLUTION: A plurality of racks 12-22 are arranged on a rack tray. A plurality of test tubes are held standing at each rack 12-22, to which dispensed liquid samples are injected. Light-emitting elements 32-42 are set correspondingly to the racks 12-22. The light-emitting element corresponding to the rack completing the dispensation is turned on. A user can easily specify the rack to be exchanged. A correspondence relation of rack numbers and numbers of light- emitting elements is registered in a memory 44. |
