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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; 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Superseded by: | |
Superseded on: | |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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