SN EN 50268-1 : 1999
Current
The latest, up-to-date edition.
COMMON TEST METHODS FOR CABLE UNDER FIRE CONDITIONS - MEASUREMENT OF SMOKE DENSITY OF CABLES BURNING UNDER DEFINED CONDITIONS - PART 1: APPARATUS
12-01-2013
Foreword
1 Scope
2 Normative references
3 Definitions
4 Details of test enclosure
5 Photometric system
6 Standard fire source
7 Smoke mixing
8 Blank test
8.1 Purpose
8.2 Procedure
9 Qualification of test apparatus
10 Qualification burning test
10.1 Purpose
10.2 Preparation of cube
10.3 Qualification smoke sources
10.4 Test procedure
10.5 Calculation
10.6 Requirements
Annex A (informative) Guidance notes
Annex B (informative) Bibliography
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