Patent ID: 11957827
Assignee: ENTIA LIMITED
Field: Measurement (Instruments)
Classification: CPC A  B  G | IPC A  B  G

Claim 16:
17. A sample holder for use in a centrifuge, the sample holder being generally planar and comprising:
an aperture or recess for releasably retaining a sample storage member including a sample chamber adapted to contain a volume of liquid;
a centre point around which the holder will rotate during use;
a plurality of calibration features, wherein each calibration feature includes a respective outer edge which lies on the side of the calibration feature which is furthest from the centre point, and wherein each outer edge is spaced at different distances from the centre point, and wherein each of the plurality of calibration features is an aperture formed through an entire thickness of the holder or is an insert of a transparent or substantially transparent material which is placed into a hole in the holder; and
wherein each calibration feature includes an inner edge opposite the outer edge, and wherein the inner edge of each calibration feature is spaced the same radial distance from the centre point.