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CENELEC
EN 60068-2-40:1999

EN 60068-2-40:1999

Current

Current

The latest, up-to-date edition.

Environmental testing - Part 2: Tests - Test Z/AM: Combined cold/low air pressure tests

Published date

17-11-1999

Publisher

European Committee for Standards - Electrical

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FOREWORD
PREFACE
1 Introduction
   1.1 General
   1.2 Low air pressure
   1.3 Temperature
   1.4 Related documents
2 Object
3 General description
4 Description of test apparatus
   4.1 Test chamber
   4.2 Mounting
5 Severities
   5.1 General
   5.2 Preferred combinations of temperature, air
       pressure and duration
6 Preconditioning
7 Initial measurements
8 Conditioning
   8.1 General
   8.2 Procedure for heat-dissipating specimen without
       artificial cooling of the specimen and for
       non-heat-dissipating specimen
   8.3 Precautions when testing specimens with
       artificial cooling
9 Intermediate measurements
10 Recovery
11 Final measurements
12 Information to be given in the relevant specification
Annex ZA (normative) Normative references to international
                     publications with their corresponding
                     European publications

Applies to heat-dissipating and non-heat-dissipating specimens and is a test to determine the ability of components, equipment and other articles to be stored and used under a simultaneous combination of low temperature and low air pressure.

Committee
CLC/SR 104
DevelopmentNote
Supersedes HD 323.2.40. (05/2006)
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current
Supersedes

CEI EN 60728-3 : 2011 CABLE NETWORKS FOR TELEVISION SIGNALS, SOUND SIGNALS AND INTERACTIVE SERVICES - PART 3: ACTIVE WIDEBAND EQUIPMENT FOR CABLE NETWORKS
I.S. EN 60728-14:2014 CABLE NETWORKS FOR TELEVISION SIGNALS, SOUND SIGNALS AND INTERACTIVE SERVICES - PART 14: OPTICAL TRANSMISSION SYSTEMS USING RFOG TECHNOLOGY
UNE-EN 60728-3:2012 Cable networks for television signals, sound signals and interactive services - Part 3: Active wideband equipment for cable networks
EN 60728-14:2014 Cable networks for television signals, sound signals and interactive services - Part 14: Optical transmission systems using RFoG technology
CEI EN 60728-6 : 2012 CABLE NETWORKS FOR TELEVISION SIGNALS, SOUND SIGNALS AND INTERACTIVE SERVICES - PART 6: OPTICAL EQUIPMENT
I.S. EN 60728-3:2011 CABLE NETWORKS FOR TELEVISION SIGNALS, SOUND SIGNALS AND INTERACTIVE SERVICES - PART 3: ACTIVE WIDEBAND EQUIPMENT FOR CABLE NETWORKS
BS EN 60728-5:2008 Cable networks for television signals, sound signals and interactive services Headend equipment
BS EN 60728-3:2011 Cable networks for television signals, sound signals and interactive services Active wideband equipment for cable networks
BS EN 60728-14:2014 Cable networks for television signals, sound signals and interactive services Optical transmission systems using RFoG technology
BS EN 60728-6:2011 Cable networks for television signals, sound signals and interactive services Optical equipment
I.S. EN IEC 60728-3:2018 CABLE NETWORKS FOR TELEVISION SIGNALS, SOUND SIGNALS AND INTERACTIVE SERVICES - PART 3: ACTIVE WIDEBAND EQUIPMENT FOR CABLE NETWORKS (TA 5)
EN IEC 60728-3:2018 Cable networks for television signals, sound signals and interactive services - Part 3: Active wideband equipment for cable networks (TA 5)
I.S. EN 60728-5:2016 CABLE NETWORKS FOR TELEVISION SIGNALS, SOUND SIGNALS AND INTERACTIVE SERVICES - PART 5: HEADEND EQUIPMENT
EN 60728-6:2011 Cable networks for television signals, sound signals and interactive services - Part 6: Optical equipment
EN 60728-5:2016 Cable networks for television signals, sound signals and interactive services - Part 5: Headend equipment

EN 60068-3-1:2011 Environmental testing - Part 3-1: Supporting documentation and guidance - Cold and dry heat tests
IEC 60068-1:2013 Environmental testing - Part 1: General and guidance
EN 60068-2-1:2007 Environmental testing - Part 2-1: Tests - Test A: Cold
IEC 60068-3-1:2011 Environmental testing - Part 3-1: Supporting documentation and guidance - Cold and dry heat tests
IEC 60068-2-13:1983 Basic environmental testing procedures - Part 2-13: Tests - Test M: Low air pressure
EN 60068-1:2014 Environmental testing - Part 1: General and guidance
IEC 60068-3-2:1976 Basic environmental testing procedures - Part 3-2: Background information - Combined temperature/low air pressure tests
EN 60068-2-13:1999 Environmental testing - Part 2: Tests - Test M: Low air pressure
IEC 60068-2-1:2007 Environmental testing - Part 2-1: Tests - Test A: Cold
EN 60068-3-2:1999 Environmental testing - Part 3: Background information - Section 2: Combined temperature/low air pressure tests

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