Historical
DIN EN 13544-3:2001
Respiratory therapy equipment - Part 3: Air entrainment devices; English version of DIN EN 13544-3 (Foreign Standard)
The document specifies minimum performance and safety requirements for air entrainment devices and gives a test method to check the oxygen concentration in the air/oxygen mixture generated by the air entrainment device. It also specifies marking requirements and gives an optional system of colour coding to assist the user to identify the designated oxygen concentration.
CONTENT PROVIDER
Deutsches Institut für Normung [din]
Deutsches Institut für Normung [din]