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  • EN 60068-2-1:2007

    Current The latest, up-to-date edition.

    Environmental testing - Part 2-1: Tests - Test A: Cold

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    Language(s): 

    Published date:  26-04-2007

    Publisher:  European Committee for Standards - Electrical

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    Table of Contents - (Show below) - (Hide below)

    INTRODUCTION
    1 Scope and object
    2 Normative references
    3 Terms and definitions
    4 Application of tests for non heat-dissipating
      specimens versus tests for heat-dissipating specimens
      4.1 General
      4.2 Ascertaining high or low air velocity in the test chamber
      4.3 Non heat-dissipating specimens
      4.4 Testing of heat-dissipating specimens
      4.5 Temperature monitoring
      4.6 Packaging
      4.7 Diagrammatic representations
    5 Test description
      5.1 General
      5.2 Test Ab: Cold for non heat-dissipating specimens with
           gradual change of temperature
           5.2.1 Object
           5.2.2 General description
      5.3 Test Ad: Cold for heat-dissipating specimens with gradual
           change of temperature that are powered after initial
           temperature stabilization
           5.3.1 Object
           5.3.2 General description
      5.4 Test Ae: Cold for heat-dissipating specimens with gradual
           change of temperature that are required to be powered
           throughout the test
           5.4.1 Object
           5.4.2 General description
           5.4.3 Energizing the specimen
    6 Test procedure
      6.1 Confirmation of performance
      6.2 Working space
      6.3 Thermal radiation
      6.4 Specimen with artificial cooling
      6.5 Mounting
      6.6 Severities
           6.6.1 Temperature
           6.6.2 Duration
      6.7 Preconditioning
      6.8 Initial measurements
      6.9 Conditioning
      6.10 Intermediate measurements
      6.11 Final temperature ramp
      6.12 Recovery
      6.13 Final measurements
    7 Information to be given in the relevant specification
    8 Information to be given in the test report
    Annex ZA (normative) - Normative references to international
             publications with their corresponding European
             publications

    Abstract - (Show below) - (Hide below)

    Deals with cold tests applicable to both non heat-dissipating and heat-dissipating specimens. For non heat-dissipating specimens, Tests Ab and Ad do not deviate essentially from earlier issues. Test Ae has been added primarily for testing equipment that requires being operational throughout the test, including the conditioning periods. The object of the cold test is limited to the determination of the ability of components, equipment or other articles to be used, transported or stored at low temperature. Cold tests cover by this standard do not enable the ability of specimens to withstand or operate during the temperature variations to be assessed. In this case, it would be necessary to use IEC 60068-2-14. The cold tests are subdivided as follows: - Cold tests for non heat-dissipating specimens * with gradual change of temperature, Ab; - Cold test for heat-dissipating specimens * with gradual change of temperature, Ad, * with gradual change of temperature, specimen powered throughout, Ae. The procedures given in this standard are normally intended for specimens that achieve temperature stability during the performance of the test procedure. Temperature chamber(s) are constructed and verified in accordance with specifications IEC 60068-3-5 and IEC 60068-3-7. Further guidance for dry heat and cold tests can be found in IEC 60068-3-1 and general guidance in IEC 60068-1. This sixth edition deals with cold tests applicable both to non heat-dissipating and heat-dissipating specimens. For non heat-dissipating specimens, Tests Ab and Ad do not deviate essentially from earlier issues. Test Ae has been added primary for testing equipment that requires being operational throughout the test including the conditioning periods. Has the status of a basic safety publication in accordance with IEC Guide 104.

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher European Committee for Standards - Electrical
    Status Current

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    CEI EN 60068-2-40 : 2000 ENVIRONMENTAL TESTING - PART 2: TESTS - TEST Z/AM: COMBINED COLD/LOW AIR PRESSURE TESTS
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    I.S. EN 60938-1:1999 FIXED INDUCTORS FOR ELECTROMAGNETIC INTERFERENCE SUPPRESSION - PART 1: GENERIC SPECIFICATION
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    ONORM EN 14803 : 2006 IDENTIFICATION AND/OR DETERMINATION OF THE QUANTITY OF WASTE
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    05/30099723 DC : DRAFT AUG 2005 EN 12352 - TRAFFIC CONTROL EQUIPMENT - WARNING AND SAFETY LIGHT DEVICES
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    DIN EN 12405-1:2011-04 GAS METERS - CONVERSION DEVICES - PART 1: VOLUME CONVERSION
    BS EN 54-4:1998 Fire detection and fire alarm systems Power supply equipment
    DIN EN 54-21 E : 2006 FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 21: ALARM TRANSMISSION AND FAULT WARNING ROUTING EQUIPMENT
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    DIN EN 54-16:2008-06 Fire detection and fire alarm systems - Part 16: Voice alarm control and indicating equipment
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    EN 61204:1995/A1:2001 LOW-VOLTAGE POWER SUPPLY DEVICES, D.C. OUTPUT - PERFORMANCE CHARACTERISTICS (IEC 61204:1993, MODIFIED + A1:2001)
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    Standards Referencing This Book - (Show below) - (Hide below)

    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
    IEC 60068-5-2:1990 Environmental testing - Part 5-2: Guide to drafting of test methods - Terms and definitions
    IEC 60068-3-1:2011 Environmental testing - Part 3-1: Supporting documentation and guidance - Cold and dry heat tests
    EN 60068-1:2014 Environmental testing - Part 1: General and guidance
    EN 60068-3-5:2002 Environmental testing - Part 3-5: Supporting documentation and guidance - Confirmation of the performance of temperature chambers
    EN 60068-3-7:2002 Environmental testing - Part 3-7: Supporting documentation and guidance - Measurements in temperature chambers for tests A and B (with load)
    IEC 60068-3-5:2001 Environmental testing - Part 3-5: Supporting documentation and guidance - Confirmation of the performance of temperature chambers
    IEC 60068-2-14:2009 Environmental testing - Part 2-14: Tests - Test N: Change of temperature
    IEC 60068-3-7:2001 Environmental testing - Part 3-7: Supporting documentation and guidance - Measurements in temperature chambers for tests A and B (with load)
    EN 60068-2-14:2009 Environmental testing - Part 2-14: Tests - Test N: Change of temperature
    EN 60068-5-2:1999 Environmental testing - Part 5: Guide to drafting of test methods - Terms and definitions
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