NEN EN 13527 : 1999

      Foreword
1 Scope
2 Normative References
3 Definitions
      3.1 Operation of the curtain
      3.2 Angle of projection
      3.3 Variations in operation
      3.4 Direction of roll-up of curtain
      3.5 Position of exit of the operating mechanism
             (see Figure 2)
      3.6 Unlocking of folding and trellis arm awnings
4 Test Conditions
      4.1 Specification of the samples
      4.2 Test Preparation
5 Measurement of Operating Force on Extension/Retraction
      of Curtain
      5.1 Linear operation of the operating mechanism
      5.2 Operation by rotation of the operating mechanism
      5.3 Direct operation (hand or rod)
6 Measurement of Force of Tilting Laths
7 Measurement of Force for the Projection of Projecting
      Curtains
      7.1 Projection
      7.2 Unlocking of arms
8 Test Report

Specifies test procedures to determine the operating force required for shutters and blinds. Applicable to internal blinds (venetian, roller, vertical and pleated); external blinds (including louvre array, marquisolette, dutch awning, verandah awning, pivot arm awning); Shutters (external venetian blind, roller shutter, flat closing concertina shutter, sliding pannel shutter). Also covers projection system shutters.