Airflow Instruments IAQ50 - NEXT TEST Key; %OA (Percent Outside Air) Key

NEXT TEST Key
Press NEXT TEST to advance to the next
test ID. If the current test ID does not
have anything stored, it will not advance
to the next test ID.
The Model IAQ50 will automatically
increment the test ID number under the
following conditions:
• turning off the Model IAQ50 (if
there is stored data)
• setting any data logging sample
• taking a % OA measurement after a
normal sample
• taking a normal sample after a % OA
%OA (Percent Outside Air) Key
The percentage of outside air can be
calculated using CO2 or temperature
measurements using the following
equation: