New Standard from Last Update.

NATIONAL FOREWORD

This Indian Standard (Part 3) (First Revision) which is identical with ISO 3529-3 : 2020 ‘Vacuum Technology - Vocabulary - Part 3: Total and partial pressure vacuum gauges’ issued by the International Organization for Standardization (ISO) was adopted by the Bureau of Indian Standards on the recommendation of the Chemical Engineering Plants and Related Equipment Sectional Committee and approval of the Mechanical Engineering Division Council.

This standard was originally published in 1967. The first revision of this standard has been undertaken to keep pace with the latest technological developments and align it with the latest version of ISO 3529-3 : 2020. The standard is being bifurcated into three parts in this revision.