ACI Semiautomated Anderson Cascade Impactor System (Semi-Automatic Upright Inhalation Preparation Multi-Stage Impactor System) The ACI, is a multi-stage, multi-aperture Impactor that simulates the anatomical structure of the human respiratory tract and its aerodynamic characteristics. The ACI uses the principle of inertial impact to collect particles suspended in the air at each stage of the collection plate, according to their aerodynamic equivalent diameter. The whole system includes a multi-stage impactor, airflow controller, AFC-1200, and vacuum pump, Controller. The system was designed primarily for testing the aerodynamic particle size distribution characteristics of microfine particles from inhalation aerosols, inhalation sprays and inhalation powder aerosols.
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