Hemochron 801

HEMOCHRON 801 Whole Blood Coagulation System utilizes a mechanical clot detection mechanism in which detection of a fibrin clot in the blood sample automatically terminates the test, causing the instruments digital timer to display the coagulation time in seconds. The mechanism consists of a precision aligned magnet within a test tube and a magnetic detector located within the test well. Following insertion of the test tube containing a whole blood sample into the well, the magnetic detector senses a magnet within the test tube as the tube slowly rotates. When the clot begins to form, it causes the magnet to lift within the tube. Since the magnet has been displaced, it is no longer sensed by the instruments magnetic detector. The instrument gives an audible beep and displays the coagulation time.