CWS-boco International GmbH

09/11/2024 | Press release | Distributed by Public on 09/10/2024 22:06

Difference between smoke detectors and carbon monoxide detectors

11 September 2024Fire Safety

Security within their own four walls is a key concern for many people. An important part of this safety is the installation of detectors that warn of potential dangers.

Two of the most common devices in this area are smoke detectors and carbon monoxide detectors. Although they are often mentioned together, they have different functions and modes of operation. In this article, you will learn more about the differences between smoke detectors and carbon monoxide detectors, how they work and why both are essential.

What is a smoke detector?

Smoke detectors are devices that are designed to recognise smoke particles in the air. Their primary purpose is to warn people of fires at an early stage.

Most fires in residential buildings start slowly, with smoke spreading before the fire becomes visible or the smell of burning becomes noticeable. A smoke detector detects this smoke and emits a loud alarm signal, warning the occupants to leave the building or take action to fight the fire.

What is a carbon monoxide detector?

Carbon monoxide detectors, on the other hand, are specially designed to detect carbon monoxide (CO) in the air.

Carbon monoxide is a colourless and odourless gas that is produced by the incomplete combustion of carbon-containing fuels such as gas, oil, wood or coal. It is invisible and odourless, meaning that it can quickly lead to life-threatening poisoning without the appropriate warning systems.

Difference between smoke detectors and carbon monoxide detectors

The main differences between smoke detectors and CO detectors:

Recognised danger:

  • Smoke detectors: Detect smoke that indicates a fire.
  • CO detectors: Detect carbon monoxide, a poisonous gas produced by incomplete combustion.

Place of installation:

  • Smoke detectors: These should be installed on the ceiling or high on the wall, as smoke rises upwards.
  • CO detectors: These can be installed near sleeping areas or near potential sources of CO (such as heaters, stoves, or garages) as CO is evenly distributed throughout the room.

Application purpose:

  • Smoke alarms: They are designed to warn of the risk of fire caused by open flames or smouldering fires.
  • CO detectors: They protect against CO poisoning, which can be caused by faulty or improperly operated appliances.

Alarm system:

  • Smoke detector: Respond immediately to the presence of smoke and emit a piercing alarm tone.
  • CO detectors: Trigger when a dangerous concentration of CO is detected over a period of time. The alarm sound is similar to that of a smoke detector, but some models can also provide a digital display of the CO concentration.
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Why both are indispensable

The differences between smoke detectors and carbon monoxide detectors lie mainly in the way they work and the dangers they warn of.

Smoke detectors warn of the visible and perceptible dangers of a fire and are particularly important at night, when the sense of smell is also dormant. Carbon monoxide detectors protect against the invisible and odourless danger of carbon monoxide.

Both devices complement each other in their function and increase safety considerably. A combination of both detectors is therefore the best precautionary measure.

Do you still have questions about the differences between smoke detectors and carbon monoxide detectors?

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