The ??-Ai gas alarms are designed for continuous automatic monitoring of carbon monoxide or hydrocarbon gas concentration in the air and signalling of exceeding the set threshold values.
Operation principle of ??-Ai gas alarms:
- hydrocarbon gas alarms - semiconductor;
- carbon monoxide alarms - electrochemical. The sampling method is diffusion.
When the concentration exceeds the threshold level, sound, light and control signals are generated in accordance with the logic of the signallers operation.
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