STN - Slovak standards

Test method to measure the efficiency of air filtration media against spherical nanomaterials - Part 2: Size range from 3 nm to 30 nm (ISO/TS 21083-2:2019)

Available languages: English

Available design: Print design

Air filters for general ventilation - Part 1: Technical specifications, requirements and classification system based upon particulate matter efficiency (ePM) (ISO 16890-1:2016)

Available languages: English

Available design: Print design

Air filters for general ventilation - Part 2: Measurement of fractional efficiency and air flow resistance (ISO 16890-2:2022)

Available languages: English

Available design: Print design

Air filters for general ventilation - Part 3: Determination of the gravimetric efficiency and the air flow resistance versus the mass of test dust captured (ISO 16890-3:2024)

Available languages: English

Available design: Print design

Air filters for general ventilation - Part 4: Conditioning method to determine the minimum fractional test efficiency (ISO 16890-4:2022)

Available languages: English

Available design: Print design

Particulate air filters for general ventilation - Determination of the filtration performance

Available design: Print design

Particulate air filters for general ventilation. Determination of the filtration performance

Available design: Print design

Particulate air filters for general ventilation. Requirements, testing, marking

Available design: Print design

Air filters for general ventilation - Part 2: Measurement of fractional efficiency and air flow resistance (ISO 16890-2:2016)

Available design: Print design

Air filters for general ventilation - Part 3: Determination of the gravimetric efficiency and the air flow resistance versus the mass of test dust captured (ISO 16890-3:2016)

Available design: Print design