HANNOVER MESSE 2019, 01 - 05 April
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SupraSensor: measuring without contact

Logo SupraSensor: measuring without contact

Product description

One of the many possibilities is shown by the SupraSensor, an exhibit presented by Festo at the Hannover Messe 2018 trade fair. It demonstrates the function of a contactless balance, which could be used for example on sterile workbenches in biological or chemical analytics. This concept allows various physical quantities, such as weight, density, viscosity or temperature, to be measured using a force-based measuring system.

The SupraSensor exhibit consists of a hermetically sealed liquid-filled tube positioned over a high-precision balance, to which a cryostat with a superconductor is fixed. In the tube is a float with a permanent magnet on the underside, which is contactlessly coupled to the superconductor on the outside and thus also to the balance. This is made possible by a special characteristic of superconductors: they can hold magnets in suspension at a fixed distance when cooled to a certain temperature.

In addition to purely measuring and weighing, this technology offers numerous further possibilities such as analytical determination of density or viscosity, precise metering or the surveillance of reactive or biological processes.

Hall 15, Stand D11

(Main stand)

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