图示：库尔特粒度仪。
用于计数白细胞、红细胞、血小板。整体血液指数是一项常常进行的检测的指标，可以在这样的仪器上完成，给出重要的数据，尤其是白细胞的计数。
Here is a laboratory instrument called a Coulter Counter that enumerates the white blood cells, red blood cells, and platelets in the peripehral blood. A "CBC" (complete blood count) is a commonly ordered labortory test that is done on this instrument and gives important data, particularly in regard to WBC's.