Alarm initiation

Alarm initiation

This first alarm will pulse five times to state the activation of the apparatus

Chlorate candle activation

Chlorate candle activation

The chlorate candle will emit five litres of O₂ into the breathing bag. This is to aid the user on their first initial breathe

Donned and KO₂ activation

Donned and KO₂ activation

The KO₂ activates from the moisture of your exhalation breathe. This reaction removes the CO₂ and produces O₂ which flows into the breathing bag.

Dwell period

Dwell period

Dwell period, oxygen has been generated and is within the breathing bag ready to be inhaled

Inhalation of O₂

Inhalation of O₂

The O₂ produced from the KO₂ is now drawn from the breathing bag and then through the generators, breathing tubes and into the oronasal mask for the user to breathe. This cycle then continues, this is a closed circuit breathing apparatus, the user is recycling their own breath.

Final stages of alarm

Final stages of alarm

The alarm at 2/3 of the apparatus's duration informs the user of the O₂ level. The alarm will continue pulsing from the 2/3 mark till the full duration, the alarm then changes to a constant pulse to state to remove the apparatus if the user is within a respirable atmosphere.

Automatic alarm initiation which states the apparatus is active

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Chlorate candle also releases O₂ into the breathing bag automatically

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Donning and first exhalation, KO₂ removes CO₂ from exhalation breath

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Dwell period, oxygen has been generated and is within the breathing bag ready to be inhaled

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Inhalation of O₂ from the breathing bag

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Alarm initiated at 2/3 of the apparatus's duration and again at full duration

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Features

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