Patent ID: 9046512
Filing Date: 2015-06-02
Classification: B01L,G01N

Abstract:
1. Apparatus for determining a property of a sample comprising: a sample strip including a chamber for receiving at least a part of the sample, a cylindrical rotor that is contained within the chamber, said rotor being arranged to rotate about a longitudinal axis, said rotor having a substantially circular cross-section in a plane substantially perpendicular to and centered about said longitudinal axis, the rotor and the chamber cooperating to define a space therebetween which may be at least partially occupied by the sample, said rotor comprising a permanent magnet which is magnetized across its diameter, said sample strip further including a conduit that leads to the chamber and enables the chamber to be filled with the sample; a magnetic drive arranged to drive the rotor; and a detector arranged to measure the rate of rotation of the rotor within the chamber.