NEN EN 12898 : 2001
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
View Superseded by
GLASS IN BUILDING - DETERMINATION OF THE EMISSIVITY
28-03-2019
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.
| DevelopmentNote |
Draft issued in November 2017. (11/2017)
|
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Withdrawn
|
| SupersededBy |
| Standards | Relationship |
| ONORM EN 12898 : 2001 | Identical |
| I.S. EN 12898:2001 | Identical |
| UNE-EN 12898:2001 | Identical |
| UNI EN 12898 : 2002 | Identical |
| NF EN 12898 : 2001 | Identical |
| DIN EN 12898:2001-04 | Identical |
| SN EN 12898 : 2001 | Identical |
| NS EN 12898 : 1ED 2001 | Identical |
| NBN EN 12898 : 2001 | Identical |
| BS EN 12898:2001 | Identical |
| EN 12898:2001 | Identical |
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