NBN EN 12898 : 2001
Current
The latest, up-to-date edition.
GLASS IN BUILDING - DETERMINATION OF THE EMISSIVITY
12-01-2013
Foreword
1 Scope
2 Symbols
3 Terms and definitions
4 Brief outline of the procedure to determine
corrected emissivity
5 Spectral normal reflectance and transmittance
measurements
6 Calculation of total normal reflectance, corrected
emissivity and total normal transmittance
7 Diffuse reflectance measurements
8 Test report
Annex A (normative) Tables for determining total normal
reflectance and total corrected emissivity
Annex B (informative) Procedures to improve the accuracy
of spectral normal reflectance measurements
Bibliography
Specifies a procedure for determining the emissivity at room temperature of surface of glass and coated glass. The procedure, is based on spectrophotometric regular reflectance measurements at near normal incidence on non-infrared transparent materials.
| DocumentType |
Standard
|
| PublisherName |
Belgian Standards
|
| Status |
Current
|
| Standards | Relationship |
| NEN EN 12898 : 2001 | Identical |
| EN 12898:2019 | Identical |
| I.S. EN 12898:2001 | Identical |
| NF EN 12898 : 2001 | Identical |
| DIN EN 12898:2001-04 | Identical |
| NS EN 12898 : 1ED 2001 | Identical |
| BS EN 12898:2001 | Identical |
| EN 12898:2001 | Identical |
| ONORM EN 12898 : 2001 | Identical |
| UNE-EN 12898:2001 | Identical |
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