NF E51-777

Ventilation for buildings - Air flow measurements in ventilation systems - Pressure measurement method for self-adjusting and humidity controlled ATDair terminal devices

Le présent document spécifie une méthode de mesure indirecte du débit d'air par mesure de la pression statique aux bouches dans les systèmes de ventilation. Il spécifie les corrections à apporter aux résultats obtenus et donne à l'Annexe A (informative) des informations concernant le calcul de l'incertitude globale. Il s'applique aux bouches de VMC (Ventilation Mécanique Contrôlée) , autoréglables ou hygroréglables, uniquement en extraction. Il vient compléter la NF EN 16211 [1] qui concerne toutes les bouches fixes et auto-réglables par une méthode complémentaire adaptée aux bouches autoréglables et hygroréglables.

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