CSN EN 12046-1

CSN EN 12046-1 This document specifies the test method for determining the force required when engaging or releasing the hardware of a window and when commencing the movement of a casement or sash, in both opening and closing directions. This document is applicable to all types of openable windows where the movement is a manual operation. This document is applicable to products of any frame material.
Original English text of CSN EN Standard.
The price of the Standard included all amendments and correcturs.