I.S. EN 60068-2-68:1997
Current
The latest, up-to-date edition.
ENVIRONMENTAL TESTING - PART 2: TESTS - TEST L: DUST AND SAND
Hardcopy , PDF
English
01-01-1997
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
FOREWORD
INTRODUCTION
1 General
1.1 Scope
1.2 Description of Test L
2 Normative references
3 Definitions
4 Test la: non-abrasive fine dust
4.1 Method La1: cyclic air pressure
4.2 Method La2: constant air pressure
4.3 Guidance for test La
5 Test Lb: free settling dust
5.1 Object
5.2 Method Lb
5.3 Guidance for test Lb
6 Test Lc: blown dust and sand
6.1 Method Lc1: recirculating chamber
6.2 Method Lc2: free blowing dust
6.3 Guidance for test Lc
Figures
Annexes
A General guidance
B Bibliography
Annex ZA (normative) Normative references to international
publications with their corresponding
European publications
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