GOST R EN 1822-5-2014 High efficiency air filters EPA HEPA and ULPA Part 5 Determining the efficiency of filter elements《 ERA HEPA和ULPA高效空气过滤器 第5部分 过滤器滤芯效率的测定》.pdf

1、 1822-5 2014 , HEPA ULPA 5 EN 1822-5:2009 High efficiency air filters (EPA, HEPA and ULPA) Part 5: Determining the efficiency of filter elements (IDT) 2014 1822-52014 II 1 () , 4 - ( ) 2 184 - 3 - 24 2014 . 1420- 4 1822-5:2009 - , HEPA ULPA. 5. ) (EN 1822-5:2009 High efficiency air filters (EPA, HEP

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5、ormance) 1822-1:2009 , HEPA ULPA. 1. , , (EN 1822-1:2009 High efficiency air filters (EPA, HEPA and ULPA) Part 1: Classification, performance testing, marking) 1822-2:2009 , HEPA ULPA. 2. - , , (EN 1822-3:2009 High efficiency air filters (EPA, HEPA and ULPA) Part 2: Aerosol production, measuring equ

6、ipment, particle counting statistics) 1822-3 , HEPA ULPA. 3. - (N 1822-3 High efficiency air filters (, HEPA and ULPA) Part 3: Testing flat sheet filter media) 1822-4 , HEPA ULPA. 4. - ( ) EN 1822-4 High efficiency air filters (EPA, HEPA and UL-PA) Part 4: Determining leakage of filter elements (sca

7、n method) 14799:2007 . (EN 14799:2007, Air filters for general air cleaning Terminology) 5167-1 , . 1. 1822-52014 2 ( 5167-1:2003) EN ISO 5167-1 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full Part 1: General principles and

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