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Scott wrote:

>I think a simpler mechanism would be a mechanical flow sensor that just
>closed an electrical connection when gas stoped flowing from the reducer.
>There's no reason to add a consumable O2 sensor to the rig unless you
>want to monitor partial pressure.  If all you want to protect against
>is injection failure, all you need to know is that gas is flowing from
>the O2 bottle into the bag.

The AGA/Interspiro ACSC/DCSC a mechanical system that is supposed to warn
the user if the dosage of fresh gas is out of order. This system activates
a
valve in the loop, giving the diver a waring by increased work of breathing.

Does anyone know if any other rebreather has a warningsystem like this?


/Sten Meyer                                       m87stme@mt*.ch*.se*

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