NF EN ISO 23328-1
Breathing system filters for anaesthetic and respiratory use - Part 1 : salt test method to assess filtration performance
ISO 23328-1:2003 gives a short-term airborne sodium chloride particle challenge test method for assessing the filtration performance of breathing system filters (BSF) intended for the filtration of respired gases. ISO 23328-1:2003 is applicable to BSF used with a clinical breathing system. It is not applicable to other types of filter, e.g. those designed to protect vacuum sources or gas sample lines, to filter compressed gases, or to protect test equipment for physiological respiratory measurements.Non-filtration aspects of BSF are addressed in ISO 23328-2.
ISO 23328-1:2003 gives a short-term airborne sodium chloride particle challenge test method for assessing the filtration performance of breathing system filters (BSF) intended for the filtration of respired gases.
ISO 23328-1:2003 is applicable to BSF used with a clinical breathing system. It is not applicable to other types of filter, e.g. those designed to protect vacuum sources or gas sample lines, to filter compressed gases, or to protect test equipment for physiological respiratory measurements.
Non-filtration aspects of BSF are addressed in ISO 23328-2.
Le présent document spécifie une méthode d'essai à l'aide d'un aérosol de particules de chlorure de sodium pour l'évaluation des performances de filtration des filtres des systèmes respiratoires prévus pour la filtration des gaz respirés par les êtres humains.
- Avant-proposiv
- Introductionv
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1 Domaine d'application1
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2 Termes et définitions1
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3 Méthode2
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3.1 Principe2
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3.2 Conditions d'essai2
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3.3 Appareillage2
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3.4 Conditionnement des BSF3
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3.5 Taille de l'échantillon3
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3.6 Mode opératoire3
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4 Calcul et expression des résultats d'essai4
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5 Rapport d'essai4
- Annexe A (normative) Conditionnement des BSF5
- Annexe B (informative) Granulométrie des particules d'aérosol8
- Annexe C (informative) Justification de la méthode d'essai choisie9
- Annexe D (informative) Articles de la présente partie de l'ISO 23328 traitant des principes essentiels de l'ISO/TR 1614211
- Bibliographie12
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