IS 9167 : 2025 Hearing Protectors - Specification

ICS 13.340.20

CHD 08

1 SCOPE

This standard covers the performance requirements for devices for personal hearing protection.

2 REFERENCES

The standards given below contain provisions which through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this Indian standard are encouraged to investigate the possibility of applying the most recent edition of these standards:

IS No. Title
IS 1885 (Part 3) : 2023/IEC 60050-801 : 1994 International electrotechnical vocabulary (IEV): Part 3 Acoustics and electroacoustics
IS 6229 : 1980 Method for measurement of real-ear protection of hearing protectors and physical attenuation of earmuffs (first revision)
IS 7194 : 2018/ISO 1999 : 2013 Acoustics - Estimation of noise induced hearing loss (second revision)