New Standard from Last Update.

NATIONAL FOREWORD

This Indian Standard (Part 1) which is identical with IEC 61331-1 : 2014 ‘Protective devices against diagnostic medical X-radiation - Part 1: Determination of attenuation properties of materials’ issued by the International Electrotechnical Commission (IEC) was adopted by the Bureau of Indian Standards on the recommendation of Electromedical, Diagnostic Imaging and Radiotherapy Equipment Sectional Committee and approval of the Medical Equipment and Hospital Planning Division Council.

This standard has been published in three parts. Other parts of this standard are:

Part 2 Protective glass plates

Part 3 Protective clothing and protective devices for gonads

Only the English language text in the International Standard has been retained while adopting it in this Indian Standard.

The text of IEC Standard has been approved as suitable for publication as an Indian Standard without deviations. Certain conventions are however not identical to those used in Indian Standards. Attention is particularly drawn to the following:

a) Wherever the words ‘International Standard’ appear referring to this standard, they should be read as ‘Indian Standard’; and

b) Comma (,) has been used as the decimal marker while in Indian Standards, the current practice is to use a point (.) as a decimal marker.