Detecting elevated CO-2 concentrations in the classroom using the testo 160 IAQ WiFi data logger Application example
■The older buildings at the FTS College for Precision Technology in particular are poorly insulated (they are sandstone buildings). They also contain the occasional faulty window, which makes regular ventilation of the classrooms impossible.
■The oldest building at the Technical Grammar School -over 100 years old - houses 16 classrooms. In some lessons, there are up to 30 students plus the teacher in one classroom. Particularly when you have larger groups of students in the classroom, a rapid increase in CO-2 concentrations in the indoor air is a regular result.
■According to Mr. Fehrenbacher, Head of Department at the Technical Grammar School, the CO-2 levels go through the roof after just one 30-minute lesson.
■After a measurement phase of several months using the testo 160 IAQ WiFi data logger, it became apparent that the CO-2 levels in the classroom increased to more than 4,000 ppm on some days.
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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09.2020 |
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2980 XXX5 |
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1.2 MB |
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