Air filters for general ventilation -- Part 1: Technical specifications, requirements and classification system based upon particulate matter efficiency (ePM)— 34 стр.
High-efficiency filters and filter media for removing particles in air -- Part 2: Aerosol production, measuring equipment and particle-counting statistics— 34 стр.
Air filters for general ventilation -- Part 3: Determination of the gravimetric efficiency and the air flow resistance versus the mass of test dust captured— 28 стр.
High-efficiency filters and filter media for removing particles in air -- Part 4: Test method for determining leakage of filter elements-Scan method— 46 стр.
Air filters for general ventilation. Determination of the gravimetric efficiency and the air flow resistance versus the mass of test dust captured— 30 стр.
High-efficiency filters and filter media for removing particles in air. Aerosol production, measuring equipment and particle-counting statistics— 34 стр.