CO2 Monitor in Meeting Rooms

After taking a CO2 Monitor on a train, I then took the KeepAlert CO2 Monitor into a meeting room in the city. This was a totally self-enclosed meeting room with no windows. It relied purely on the air-conditioning for air-circulation. And the result was no surprise – 1,200ppm. That’s over the recommended 1,000ppm which means […]

CO2 Monitor On Trains

I carried a KeepAlert CO2 Monitor on the train into the city today and the results were bad. CO2 levels above 1,000 indicate an excessive build-up of CO2. At these levels people may start to feel fatigued or have a headache. So the level on the train? Read more to find out…