GB/T 7584.3-2011

Active

Acoustics - Hearing protectors - Part 3: Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture

声学 护听器 第3部分:使用专用声学测试装置 测量耳罩式护听器的插入损失

Standard Type
GBT
ICS
13.340.20
CCS
C73
Status
Active
Issue Date
2011-12-30
Implementation
2012-05-01
Centralized Committee
中国科学院
Issuing Authority
中国科学院

Application Summary AI generated

This standard specifies a laboratory method for measuring the insertion loss of ear-muff type hearing protectors using an acoustic test fixture. It is applied in the testing and certification of hearing protection devices to evaluate their noise attenuation performance under controlled conditions. The standard is primarily used by manufacturers, testing laboratories, and regulatory bodies in occupational safety and hearing conservation programs.

Related Standards

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.