New Standard from Last Update.

NATIONAL FOREWORD

This Indian Standard (Part 2/Sec 14) is identical with IEC 60068-2-14 : 2009 ‘Environmental testing Part 2-14 : Tests - Test N: Change of temperature’ issued by International Electrotechnical Commission (IEC) was adopted by the bureau of Indian Standards on recommendation of the Environmental Testing Procedure Sectional Committee, and approval of the Electronics and Information Technology Division Council.

IS 9000 (Part 14/Sec 1 to 3) : 1988 ‘Basic environmental testing procedures for electronic and electrical items Part 14 test n: change of temperature’ was published in 1978 and revised in 1988 and was technically equivalent to IEC Pub 68-2-14:1984. IS 9001 (Part 3):1978 ‘Guidance for environmental testing: Part 3 change of temperature’ was published in 1978 and was technically equivalent to IEC Pub 68-2-33 : 1971. IEC 60068-2-33 : 1971 has been withdrawn and replaced by IEC 60068-2-14:2009. The superseding of these Standards has been undertaken to align it with the latest version of IEC 60068-2-14:2009.