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Chinese National Standard Category: Acoustic Measurement

English Title: Electroacoustics--Simulators of human head and ear--Part 5: 2 cm3 coupler for the measurement of hearingaids and earphones coupled to the ear by means of ear inserts
Chinese Title: 电声学 人头模拟器和耳模拟器 第5部分:测量助听器和以插入方式与人耳耦合的耳机用2cm3声耦合器
Standard No.: GB/T 25498.5-2017
Category No.: A59
Issued by: AQSIQ AND SAC
Issued on: 2017-09-07
Implemented on: 2018-4-1
Status: valid
Superseded by:
Superseded on:
Abolished on:
Superseding:
Word Count:7500 words
Similar Standards: GB/T 19889.10-2006   GB/T 19889.1-2005   GB/T 19889.7-2005   GB/T 19889.6-2005   GB/T 6881-2023   GB/T 3785.2-2023   GB/T 42559-2023   GB/T 42553-2023   GB/T 3785.1-2023   GB/T 42473-2023   GB/T 19889.7-2022   GB/T 3222.1-2022   GB/T 41283.1-2022   GB/T 19889.2-2022   GB/T 17248.1-2022   GB/Z 38251-2019   GB/T 20441.2-2018   GB/T 3785.3-2018   GB/T 7341.5-2018   GB/T 17248.5-2018  
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