Monoxide

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Best Smoke and Carbon Monoxide Detectors of 2024

That’s why we put dozens of models to the test. In our lab, we expose them to low CO levels (100 parts per million) and high CO levels (400 ppm) to see how quickly and accurately they detect the colorless, odorless gas. For models that display or announce specific CO levels, we check the accuracy of those readings. It’s comparable…