Over deze norm
||Ventilatie en luchtdoorlatendheid van gebouwen
Describes the use of tracer gas dillution for determining a single zone's air change as induced by weather conditions or mechanical ventilation. The procedures for tracer gas dollution include concentration decay, constant injection, and constant concentration. Air change is rate is directly calculated by the tracer gas decay method. Airflow rate is calculated directly from the tracer gas flow rate by the constant injection or constant concentration method. These test methods are restricted to any single tracer gas. The associated data analysis assumes that one can characterize the tracer gas concentration within the zone with a single value.