DIN EN 14500 E : 2008

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Notations used
  4.1 General
  4.2 Visual or solar properties
  4.3 Geometry of the radiation
  4.4 Optical factors
5 Test and calculation methods to be used
  according to product - Guidelines
  5.1 General
  5.2 Venetian blinds
  5.3 Roller blinds
  5.4 Pleated blinds
  5.5 Projecting awnings
  5.6 Vertical blinds
  5.7 Shutters
6 Measurement set-up
  6.1 Measurement principles
  6.2 Measuring equipment
  6.3 Test samples
7 Measurement procedure
  7.1 General
  7.2 Test method A - Single beam instrument
      (substitution method)
  7.3 Test method B - Double beam
      spectrophotometer (comparison method)
  7.4 Determination of tau[n-h] and rho[n-h]
  7.5 Determination of tau[n-n]
  7.6 Determination of tau[dif-h]
  7.7 Determination of opacity characteristics
      for dim-out and black out fabrics or products
8 Additional calculation methods for
  transmittance and reflectance of products
  8.1 General
  8.2 Venetian blinds
  8.3 Vertical blinds
  8.4 Shutters
9 Test report
Annex A (informative) Examples of test
        equipment for opacity characteristics
        determination
        A.1 General
        A.2 Example 1
        A.3 Example 2
Annex B (informative) Determination of
        openness coefficient
        B.1 Method for fabrics made from opaque material
        B.2 Method for venetian blinds
Annex C (informative) Determination of
        infrared properties
        C.1 General
        C.2 Determination
Annex D (informative) Approach in case of
        projecting solar protection devices
        D.1 General
        D.2 Detailed model
        D.3 Simplified approach for summer
        D.4 Examples of calculation