This European Standard specifies the test method for determiningThe force required when engaging or releasingThe hardware of a window and when commencingThe movement of a casement or sash, in both opening and closing directions.It is applicable to manually operated windows.This European Standard is applicable to products of any materials.
EN 12046-1:2003 history
2003EN 12046-1:2003 Operating forces - Test method - Part 1: Windows