Finding · as stated by the study, recorded by Coridum · status verified-machine
Finding F-0411
“However, in both cases when 150 students were into classroom R1, the exposure to CO2 levels higher than 1200ppm was around 3 hours.”
Structure
- Factor
- Carbon dioxide (CO₂)
- Population
- university students
- Setting
- classroom, IT
- Study design
- continuous monitoring of CO2, relative humidity and temperature with a low-cost non-dispersive infrared data logger in two lecture classrooms (R1, R2) of the University of Ferrara during lessons on two consecutive winter days, with air change rate estimated from CO2 decay (class 4)
- Effect
- other 3
- Averaging time
- per lesson day, 1-minute logging
- Caveat
- duration above a threshold recorded as measure other
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