Environmental testing. Test methods Test L. Dust and sand

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

15-09-1996

Publisher

British Standards Institution

Introduction
1 General
1.1 Scope
1.2 Description of Test L
2 Normative references
3 Definitions
4 Test La1: 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 (informative) Guidance
B (informative) Bibliography
ZA (normative) Normative references to international
publications with their corresponding European
publications

Specifies test methods to determine the effects of dust and sand suspended in air, on electrotechnical products.

This part of IEC 68-2 specifies test methods to determine the effects of dust and sand suspended in air, on electrotechnical products.

The test methods of this standard are not intended for the testing of air filters. Only method Lc2 is suitable for the simulation of the erosion effects of high velocity (more than 100 m/s) particles.

Committee	GEL/104
DevelopmentNote	Also numbered as IEC 60068-2-68. To be read in conjunction with BS EN 60068-1. Supersedes 89/27022 DC. (09/2005) Reviewed and confirmed by BSI, November 2005. (10/2005)
DocumentType	Standard
Pages	54
PublisherName	British Standards Institution
Status	Current

Standards	Relationship
UNE-EN 60068-2-68:1997	Identical
SN EN 60068-2-68 : 1996	Identical
I.S. EN 60068-2-68:1997	Identical
EN 60068-2-68:1996	Identical
DIN EN 60068-2-68:1997-02	Identical

BS EN 60068-1:2014	Environmental testing General and guidance
BS 7527-2.5:1991	Classification of environmental conditions. Environmental conditions appearing in nature Dust, sand, salt mist
IEC 60947-1:2007+AMD1:2010+AMD2:2014 CSV	Low-voltage switchgear and controlgear - Part 1: General rules

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BS EN 60068-2-68:1996

Environmental testing. Test methods Test L. Dust and sand

Table of Contents

Abstract

Scope

General Product Information

International Equivalents

Standards Referencing This Book

Category

Subcategory