Anaesthetic and respiratory equipment. Peak expiratory flow meters for the assessment of pulmonary function in spontaneously breathing humans Ingestion-build-117251 This document includes concentrates in

This document includes concentrates in both liquid and powder forms

It is intended that the valve be designed and tested to satisfy a pressure rating (PN or Class)

What is BS EN ISO 5817:2007

Strength of hose and couplings and of connection between hood and breathing hose

Anaesthetic and respiratory equipment. Peak expiratory flow meters for the assessment of pulmonary function in spontaneously breathing humans Ingestion-build-117251 This document includes concentrates in1 Scope This International Standard specifies requirements for a peak expiratory flow meter (pefm) intended for the assessment of pulmonary function in spontaneously breathing humans. This International Standard covers all medical devices that measure peak expiratory flowrate in spontaneously breathing humans either as part of an integrated lung function medical device or as a stand alone medical device. Planning and design of products applying to