DIN EN 14500 E : 2008
Current
The latest, up-to-date edition.
BLINDS AND SHUTTERS - THERMAL AND VISUAL COMFORT - TEST AND CALCULATION METHODS
Hardcopy , PDF
English
01-01-2008
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
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