| 摘要 |
<p>A measuring cell for use in apparatus for the measurement of the magnetic characteristics of a gas comprises means (5) defining a chamber (3) in which a test element (11) is suspended such as to be able to rotate about an axis, amd means defining inlet (1) and outlet port (4) means by which gas may flow through said chamber (3). The inlet port means is configured to cause the gas to flow in a substantially laminar flow regime. The chamber comprises a first portion (2) configured to cause the laminar gas flow to break up into a turbulent flow regime, and a second portion arranged to contain said test element. The gas flow enters from the first portion and enters the chamber in a flow pattern symmetrical in relation to the suspension position of the test element.</p> |
