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CO2 Alarm – Carbon Dioxide Alarm

The CO2 Alarm is a wall mounted, stand alone carbon dioxide alarm. It has two thresholds which can be pre-configured to switch the two on board alarm relays at any required level of carbon dioxide up to 10,000 ppm. Control and alarm threshold levels may vary. At Duomo we can configure the switching points to suit your personal preference. The CO2 Alarm has an onboard digital display, alarm status indicator lights and optional audible alarm.

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Quantity 1-4 5-9 10+
Price £301.77 £256.50 £241.42



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The Duomo Carbon Dioxide Alarm is a wall mounted CO2 stand alone alarm. The Carbon Dioxide Alarm controls and protects against the build-up of CO2 in areas where ventilation is needed for safety and comfort. Application for use include commercial kitchens, science laboratories, classrooms, offices and cellars. For a cost effective traffic light display carbon dioxide alarm for schools, offices and kitchens take a look at the CO2MC.

It has two configurable alarm levels that control two alarm relays at required levels of carbon dioxide up to 10,000 ppm. The control and alarm levels can be altered to suit. We can configure the switching points to suit your needs. The CO2 Alarm has an digital display so that the current status is easily visible. There are also alarm status LEDs and an optional sounder and beacon can be included.


Product Details

  • 100 - 277 V AC supply voltage
  • Two pre-configured alarm and control thresholds
  • NDIR sensing technology
  • Supply voltage (100 - 277 V AC) output from - Level 1 alarm
  • Volt free change over contact - Level 2 alarm
  • Optional internal audible alarm
  • Digital display of Carbon Dioxide levels (ppm)
  • Alarm status indicator LEDs and Sensor fault indication
  • Flame resistant ABS
  • 2 Year Warranty (applicable for a 12 month extension)


Onsite Diagnostics

If you require onsite diagnostics or technical assistance with any of our products please contact us

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We recommend Duomo Gas Detection products are serviced at least annually to ensure efficacy and extend sensor life. Our qualified team of engineers are available Nationwide.



  • Datasheet

    293.65 KB | pdf

  • CO2 Alarm Model Selection

    22.52 KB | pdf


Support & Service

If you require technical assistance or an annual service on this product please contact us and we will be happy to help. Our qualified team of engineers are available Nationwide.

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