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Non-refrigerated, high-speed tabletop centrifuges dedicated for use in determining the ratio of the red cell volume to the whole blood volume of samples contained in microhematocrit capillary tubes. These centrifuges usually operate in the range of 10,000 to 25,000 rpm and typically generate a relative centrifugal force of at least 10,000 gravities to efficiently pack cells in a short time (3 to 5 minutes). Microhematocrit centrifuges require a smaller sample size than the sample used in low-speed conventional centrifuges (macrohematocrit method).
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