An immersion sensor 10 is described. The sensor comprises: an enclosed housing of a non-absorbent and electrically insulating material, which has a number of external faces. A first electrode 24 is provided on an internal surface of an external face of the housing, a second electrode 26 located on an internal surface of an external face of the housing. These electrodes can thus form a first capacitor. A controller 32 is also configured to detect a change in a capacitance of the first capacitor when the sensor 10 is immersed in a fluid. The location of an electrode in a recessed area of the housing helps to prevent false alarms. A second and third capacitor may also be present with associated third and fourth electrodes (figure 3, 28,40).


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    Title :

    Immersion sensor


    Contributors:
    BRIAN INMAN (author)

    Publication date :

    2016-10-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    C25B ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS , Elektrolytische oder elektrophoretische Verfahren für die Herstellung von Verbindungen oder von nichtmetallischen Elementen / B63C LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS , Zuwasserlassen, Trockenstellen, Docken oder Bergen von Schiffen / G08B SIGNALLING OR CALLING SYSTEMS , Signalisier- oder Rufsysteme



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