Breathing Air Gas Sensors - Analox
Breathing Air Gas Sensors

Breathing Air Gas Sensors


If you use compressed breathing air for applications including air respirators, self-contained suits, self -contained breathing apparatus (SCBA), ambient air systems or any other application where the purity of the air is a concern, or needs to be certified as a specific quality, it is essential to monitor for contaminants.

What is a compressor?

A breathing air compressor system compresses atmospheric air so it can be filled into cylinders and used for applications such as recreational and professional diving, fire fighting and first responders.

The compressed air output by the compressor must be filtered to make it safe for use as a breathing gas.

Harmful contaminants including carbon monoxide (CO), carbon dioxide (CO2) and volatile organic compounds (VOCs) as well as oil mist and water vapour can infiltrate into the compressed air before it enters a compressor. Some people spot-check their compressed air quarterly using colorimetric tubes, but it is much safer to test the air continuously, as there is no way of knowing when there has been a risk to the air entering a compressor.

Analox’s ACG+ compressed breathing air monitor detects for unsafe levels of these contaminants and can be fixed to the wall, allowing for continuous monitoring.

Please see the short video below for an explanation of how a compressor works.

Contact us today to see how we can help you monitor carbon monoxide and other toxic gases mentioned above in your compressed breathing air.

If you are operating or servicing equipment containing fluorinated greenhouse gas (F gas) in refrigeration, air conditioning and fire protection systems you need to adhere to the requirements of the 2014 EU fluorinated greenhouse gas (F gas) regulation which states you should install a CO₂ gas detector.

If you're unsure about what type you need, please contact us.

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