CO2 monitor 3R-COTH01CO2 monitor 3R COTH01 You can see the ventilation timing and temperature at a glance! This is a CO2 monitor that visualizes ventilation timing. It monitors carbon dioxide concentration, temperature, and humidity in real time and displays them on the monitor, visualizing the ventilation status of the space. It is useful in a variety of places, such as offices and conference rooms, schools and facilities, stores and restaurants, living rooms and