The present invention provides a breathing apparatus and a controller for a breathing apparatus. The controller is configured to receive a first output signal from a pressure sensor in the breathing apparatus, wherein the first output signal is indicative of variations in a total gas pressure within the breathing apparatus. The controller is further configured to determine, using the first output signal, an oxygen consumption rate of a user of the breathing apparatus. This may enable the controller to determine the user's oxygen consumption rate, without having to rely on an oxygen sensor. The breathing apparatus may be a rebreather, which is used for underwater diving.


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    Title :

    Breathing apparatus


    Contributors:

    Publication date :

    2024-03-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B63C LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS , Zuwasserlassen, Trockenstellen, Docken oder Bergen von Schiffen



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