This European Standard specifies methods forThe laboratory aerodynamic testing and rating of air terminal devices for mixed flow applications, includingThe specification of suitable test facilities and measurement techniques.The standard gives only tests forThe assessment of characteristics of the air terminal devices under isothermal conditions.The testing of low velocity air terminal devices is specified in EN 12239
EN 12238:2001 history
2001EN 12238:2001 Ventilation for buildings - Air terminal devices - Aerodynamic testing and rating for mixed flow application