This European Standard specifies minimum requirements for power assisted respiratory protective devices which incorporate a full face mask, half mask or a quarter mask together with gas, particle or combined filter(s). It does not cover devices designed for uses in circumstances where there is or might be an oxygen deficiency (oxygen less than 17% by volume). Also, it does not cover respiratory protective devices designed for escape purposes.
DS/EN 12942/A2:2009 history
2009DS/EN 12942/A2:2009 Respiratory protective devices - Power assisted filtering devices incorporating full face masks, half masks or quarter masks - Requirements, testing, marking
2003DS/EN 12942/A1:2003 Respiratory protective devices - Power assisted filtering devices incorporating full face masks, half masks or quarter masks - Requirements, testing, marking
1999DS/EN 12942:1999 Respiratory protective devices - Power assisted filtering devices incorporating full face masks, half masks or quarter masks - Requirements, testing, marking