The present standard definesThe testforce required for shutters and blinds.methods to be carried out to determineThe operatingIt applies toThe following products:一Internal blinds:internal venetian, roller, vertical and pleated blinds.·External blinds:Foldingawning, marquisolette,awning, Dutch awning,arm awning, trellis arm awning, verticalfacade awning, roof light awning,insect screen awning, louvre array.verandahroller awning, pivot armawning or conservatory一Shutters:External(vertical or projected),venetian blind, roller shutter (vertical orflat-closing concertinaprojected) venetian shuttershutter, concertina shutter, sliding panel shutter).Shutters with a projection system are also covered.The test described establishThe effort or force necessary to result一inThe movement or displacement of the curtain during both extension and retraction一to project shutters,一to tilt laths.
EN 13527:1999 history
1999EN 13527:1999 Shutters and blinds - Measurement of operating force - Test methods