New Standard from Last Update.

NATIONAL FOREWORD

This Indian Standard (Part 2/Sec 42) which is identical with IEC 60068-2-42 : 2003 ‘Environmental testing - Part 2: Tests Section 42 Test Kc: sulphur dioxide test for contacts and connections’ issued by the International Electrotechnical Commission (IEC) was adopted by the Bureau of Indian Standards on the recommendation of the Electromechanical Components and Mechanical Structures for Electronic Equipment Sectional Committee and approval of the Electronics and Information Technology Division Council.

IS 9000 (Part 26) : 1980 ‘Basic environmental testing procedures for electronic & electrical items: Part 26 sulphur dioxide test for contacts and connections’ and IS 9001 (Part 7) : 1980 ‘Guidance for environmental testing: Part 7 Sulphur dioxide test for contacts and connections’ were published in 1980 and assistance was derived from IEC Pub 68-2-42 : 1976 ‘Basic environmental testing procedures, Part 2: Tests, Test Kc: Sulphur dioxide test for contacts and connections’. The superseding of these standards has been undertaken to align it with the latest version of IEC 60068 2-42 : 2003. Onpublication of this Indian Standard IS 9000 (Part 26) : 1980 and IS 9001 (Part 7): 1980 stands withdrawn.