Hence, the CO2 meter. Sensors measure the parts per million of carbon dioxide in the air, so if 1,000 PPM is the reading, that means 1,000 particles out of one million are carbon dioxide.

SwitchBot's Meter Pro tracks air quality wherever you put it and had surprising results for my kitchen, bedroom and more.

The slimline construction of the borehole and waterbody probe means that it can ... As well as MeGa, a membrane-based gas sensor for measuring carbon dioxide in waterbodies and in the soil ...

Once set up, HomeKit will recognize the SwitchBot Meter Pro as a temperature and humidity sensor (though not as a CO2 monitor). That limitation aside, it still opens the door for useful automation ...

SwitchBot's Meter Pro with carbon dioxide monitoring is compact, highly portable and accurately measures air conditions in any part of your home with its Swiss-made sensor. Add the current low ...

A novel gas sensor system makes it possible ... or the underground injection of carbon dioxide. The principle can also be used in liquids, so the probe is also useful for monitoring waterbodies ...