This Akifax ESR Analyzer is able to rapid provides results since the method employed in the analysis does not have the same limitations as does the sedimentation method, as outlined in the Clinical Laboratory and Standard Institute document. This analyzer can provide measurements related to red blood cell aggregation within 20 seconds, with other analytical results made available 5 minutes from the start of the analysis. Results, which are provided in mm/h, correlate closely with the Westergren method. Low hematocrit levels do not adversely affect the results. Features of the ESR Analyzer include user friendly software together with a smart card, LCD touch screen control, network connectivity, a thermal printer, and latex calibration and controls. Th needle replacement process has been kept simple, and the same CBC tubes can be used when required. The unit has been thermostated at 37 degrees Celsius.