You cannot log in without being assigned a valid TSI role.
This instrument has been discontinued as of January 1, 2011.
The Airflow Instruments IAQ920 Indoor Air Quality Meter quickly and accurately measures carbon dioxide, temperature, and humidity levels in real time with a single probe. It stores up to 12,700 sets of downloadable readings with time and date stamp. It is the ideal instrument for checking ventilation rates, air changes, investigating indoor air quality, and performing thermal comfort studies.