Building hardware. Door coordinator devices. Requirements and test methods|Force measurement, Verification, Designations, Fire resistance, Durability, Doors, Performance, Fire doors, Mass, Installation, Testing conditions, Fatigue testing, Double doors, Corrosion tests, Corrosion resistance, Classification systems, Closing and check mechanisms, Test equipment, Door closers, Coordination, Test specimens, Performance testing, Marking, Ironmongery (buildings), Instructions for use, Mechanical testing, Hinged doors