Patent ID: 7275419

Claim:
A rotational rheometer or viscometer, comprising: a measuring shaft and a measuring system to be contacted with a substance to be examined, said measuring system being connected to a shaft portion of said measuring shaft; a measuring motor for driving said measuring shaft to acquire measurement data for calculating properties of the substance; a memory element carried on said shaft portion of said measuring shaft, said memory element storing therein at least one characteristic identification assigned to said measuring system, said characteristic identification containing or comprising, or being configured to receive, data related to properties of said measuring system; an evaluation unit for evaluating the measurment data and an uptake or receiver unit disposed for contactless reading in and/or reading out from said evaluation unit; cooperating coupling units for bridging an air transmission path between said memory element and said evaluation unit, said coupling units including memory element-side coupling units carried by said measuring shaft; and wherein a data transmission path between said measuring system and said uptake or receiver unit includes at least one section wherein the data are transmitted wirelessly or over an air transmission path.