| 摘要 |
A fluid conductivity sensor performs non-contacting measurements on a fluid by utilizing first and second tubes (32, 34), each of which is provided with both a driving and a sensing transformer (39, 47). The driving tranformers are poled in such a way as to drive a current in a loop joining both tubes (I1, I2). Insulating shrouds (51) are provided linking the corresponding end of the tubes and operate to obstruct in-fluid current flow not looping around the tubes.
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