• BS EN 60068-2-1:2007 (published 2007-05)

    Current The latest, up-to-date edition.

    Environmental testing Tests. Test A. Cold

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  31-05-2007

    Publisher:  British Standards Institution

    Add To Cart

    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)

    Defines tests Aa, Ab, Ad which deal respectively with Cold for non-heat-dissipating specimen with sudden temperature change, with Cold for non-heat-dissipating specimen with gradual change of temperature.

    Scope - (Show below) - (Hide below)

    IEC 60068-2-1:2007 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. It has the status of a horizontal standard in accordance with IEC Guide 104

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

    Committee GEL/104
    Development Note Renumbers and supersedes BS 2011-2.1A(1990) Supersedes BS 2011-2.1A(1977), 82/26813 DC & 93/209324 DC. 1993 version incorporates amendment 7783 to BS 2011-2.1A(1990). (09/2005) Supersedes 02/203353 DC. (09/2009)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS QC221300(1997) : 1997 RADIO-FREQUENCY CONNECTORS - RF COAXIAL CONNECTORS WITH INNER DIAMETER OF OUTER CONDUCTOR 3 MM (0,12 IN) WITH SNAP-ON COUPLING - CHARACTERISTIC IMPEDANCE 50 OHMS (TYPE SMB)
    BS EN 50148:1996 Electronic taximeters
    BS 5839-3(1988) : 1988 FIRE DETECTION AND ALARM SYSTEMS FOR BUILDINGS - PART 3: SPECIFICATION FOR AUTOMATIC RELEASE MECHANISMS FOR CERTAIN FIRE PROTECTION EQUIPMENT
    14/30277275 DC : 0 BS 5446-3 - FIRE DETECTION AND FIRE ALARM DEVICES FOR DWELLINGS - PART 3: SPECIFICATION FOR FIRE AND CARBON MONOXIDE ALARM SYSTEMS FOR DEAF AND HARD OF HEARING PEOPLE
    BS QC222000(1996) : 1996 RADIO-FREQUENCY CONNECTORS - RF COAXIAL CONNECTORS WITH INNER DIAMETER OF OUTER CONDUCTOR 6,5 MM (0,256 IN) WITH SCREW COUPLING - CHARACTERISTIC IMPEDANCE 50 OHMS - (TYPE TNC)
    BS 8431(2010) : 2010 ELECTRICAL STATIC METERS FOR SECONDARY METERING AND SUB-METERING - SPECIFICATION
    BS 7922(2004) : 2004 ELECTRIC CABLES - FLUID-FILLED, PAPER- AND PPL-INSULATED, METAL-SHEATHED CABLES AND ACCESSORIES FOR ALTERNATING VOLTAGES UP TO AND INCLUDING 400 KV (U[M] = 420 KV) - REQUIREMENTS AND TEST METHODS
    BS PAS 019(1997) : 1997
    BS EN 129000 : 1996 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - GENERIC SPECIFICATION - FIXED RF WOUND INDUCTORS
    BS EN 122110 : 1994
    BS 5446-3(2015) : 2015 DETECTION AND ALARM DEVICES FOR DWELLINGS - PART 3: SPECIFICATION FOR FIRE ALARM AND CARBON MONOXIDE ALARM SYSTEMS FOR DEAF AND HARD OF HEARING PEOPLE
    BS EN 122170 : 1994 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - SECTIONAL SPECIFICATION: RADIO FREQUENCY COAXIAL CONNECTORS - SERIES SSMB
    BS 3041-7(1996) : 1996 RADIO-FREQUENCY CONNECTORS - R.F - COAXIAL CONNECTORS WITH INNER DIAMETER OF OUTPUT CONDUCTOR 9,5 MM (0,374 IN) WITH BAYONET LOCK - CHARACTERISTIC IMPEDANCE 50 OHMS (TYPE C)
    BS 123400-003(2001) : 2001 SYSTEM OF QUALITY ASSESSMENT - CAPABILITY DETAIL SPECIFICATION - FLEXIBLE SINGLE-SIDED AND DOUBLE-SIDED PRINTED BOARDS WITHOUT THROUGH-CONNECTIONS
    DEFSTAN 61-10(PT1)/1(1995) : 1995 GENERATOR SETS (GROUND, ENGINE DRIVEN) POWER AND DISTRIBUTION - PART 1: BOX, DISTRIBUTION 13 A 3 WAY, 240 V FOR FIELD ELECTRICAL POWER DISTRIBUTION SYSTEMS INCORPORATING CECC 75201.007 INPUT CONNECTOR
    04/103895 DC : DRAFT FEB 2004 BS 5446 - FIRE DETECTION AND FIRE ALARM DEVICES FOR DWELLINGS - PART 3: SPECIFICATION FOR SMOKE ALARM KITS FOR DEAF AND HARD OF HEARING PEOPLE
    BS QC221200(1997) : 1997 RADIO-FREQUENCY CONNECTORS - RF COAXIAL CONNECTORS WITH INNER DIAMETER OF OUTER CONDUCTOR 6,5 MM (0,256 IN) WITH BAYONET LOCK - CHARACTERISTIC IMPEDANCE 50 OHMS (TYPE BNC)
    BS 6312-2.2(1997) : 1997 CONNECTORS FOR ANALOGUE TELECOMMUNICATION INTERFACES - PART 2: SOCKETS FOR USE WITH PLUGS SPECIFIED IN BS 6312-1 - SECTION 2.2: PARTICULAR REQUIREMENTS FOR FIXED SOCKET-OUTLETS USED IN PERMANENT WIRING INSTALLATIONS
    BS EN 134000 : 1995 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - GENERIC SPECIFICATION: VARIABLE CAPACITORS - (QUALIFICATION APPROVAL AND CAPABILITY APPROVAL)
    BS EN 122120 : 1996 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - SECTIONAL SPECIFICATION: RADIO FREQUENCY COAXIAL CONNECTORS - SERIES BNC
    BS EN 122160 : 1996 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - SECTIONAL SPECIFICATION: RADIO FREQUENCY COAXIAL CONNECTORS - SERIES SSMA
    BS QC222400(1997) : 1997 RADIO-FREQUENCY CONNECTORS - RF COAXIAL CONNECTORS WITH INNER DIAMETER OF OUTER CONDUCTOR 5,6 MM (0,22 IN) - CHARACTERISTIC IMPEDANCE 75 OHMS (TYPE 1,6/5,6) - CHARACTERISTIC IMPEDANCE 50 OHMS (TYPE 1,8/5,6) WITH SIMILAR MATING DIMENSIONS
    BS EN 60068-2-61 : 1994 ENVIRONMENTAL TESTING - TEST METHODS - TEST Z/ABDM: CLIMATIC SEQUENCE
    BS EN 122180 : 1996 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - SECTIONAL SPECIFICATION - RADIO FREQUENCY COAXIAL CONNECTORS - SERIES SSMC
    BS EN 137000 : 1996 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS: GENERIC SPECIFICATION: FIXED ALUMINIUM ELECTROLYTIC A.C. CAPACITORS WITH NON-SOLID ELECTROLYTE FOR USE WITH MOTORS
    BS DD8431(2005) : 2005 ELECTRICAL STATIC METERS FOR SECONDARY METERING AND SUB-METERING - SPECIFICATION
    DEFSTAN 22-48/3(2010) : 2010 SPECIFICATION FOR POSITIVE TEMPERATURE COEFFICIENT THERMISTORS FOR THERMAL PROTECTION OF ELECTRIC MOTORS
    BS EN 122150 : 1996 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - SECTIONAL SPECIFICATION: RADIO FREQUENCY COAXIAL CONNECTORS - SERIES EIA FLANGE
    BS EN 122190 : 1996 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - SECTIONAL SPECIFICATION - RADIO FREQUENCY COAXIAL CONNECTORS - SERIES 7-16
    BS EN 122140:1994 (published 1994-09) Harmonized system of quality assessment for electronic components. Sectional specification: radio frequency coaxial connectors. Series SMC
    BS EN 61268 : 1996 ALTERNATING CURRENT STATIC VAR-HOUR METERS FOR REACTIVE ENERGY (CLASSES 2 AND 3)
    BS QC221400(1997) : 1997 RADIO-FREQUENCY CONNECTORS - RF COAXIAL CONNECTORS WITH INNER DIAMETER OF OUTER CONDUCTOR 3 MM (0,12 IN) WITH SCREW COUPLING - CHARACTERISTIC IMPEDANCE 50 OHMS (TYPE SMC)
    BS EN 119000 : 1997 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - GENERIC SPECIFICATION: DRY AND MERCURY WETTED REED CONTACT UNITS
    BS EN 116000-3:1996 Harmonized system of quality assessment for electronic components. Generic specification: electromechanical all-or-nothing relays Test and measurement procedures
    BS 5446-3:2005 FIRE DETECTION AND FIRE ALARM DEVICES FOR DWELLINGS - PART 3: SPECIFICATION FOR SMOKE ALARM KITS FOR DEAF AND HARD OF HEARING PEOPLE
    BS 5760-13.5:1996 RELIABILITY OF SYSTEMS, EQUIPMENT AND COMPONENTS - GUIDE TO RELIABILITY TEST CONDITIONS FOR CONSUMER EQUIPMENT - GROUND MOBILE EQUIPMENT - LOW DEGREE OF SIMULATION
    BS 5446-3:2015 DETECTION AND ALARM DEVICES FOR DWELLINGS - PART 3: SPECIFICATION FOR FIRE ALARM AND CARBON MONOXIDE ALARM SYSTEMS FOR DEAF AND HARD OF HEARING PEOPLE
    NZS 4512:2010 FIRE DETECTION AND ALARM SYSTEMS IN BUILDINGS

    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 60068-3-1:2011)
    IEC 60068-1:2013 Environmental testing - Part 1: General and guidance
    IEC 60068-5-2:1990 ENVIRONMENTAL TESTING - 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 (IEC 60068-1:2013)
    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 5-2: GUIDE TO DRAFTING OF TEST METHODS - TERMS AND DEFINITIONS
    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective