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First Alert Carbon Monoxide Alarm – tear-down

Posted by Venkatt Guhesan on January 4, 2016

One of my First Alert Carbon Monoxide Alarm’s expired. This gave me an opportunity to look inside and see what’s inside this little gadget.

Here is a picture of the tear-down for those who are interested:

First Alert – Single Station Carbon Monoxide Alarm – model #: CO614




The specification for the carbon-monoxide sensor used in this model can be found here.

Here is a list of alternative carbon-monoxide sensors from Figaro.

Here is an alternative available at SparkFun. (Air Quality MQ135 sensor).

The second picture can be zoomed in by opening the image on a separate window.



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