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SJ/Z 9143.2-1987hearing aids. Part 9: Methods of measurement of characteristics of hearing aids with bone vibrator output (English PDF)

助听器第9部分：带有骨振器输出的助听器特性测量方法

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

January 1, 1987

Implementation date

January 6, 1988

Scope

SJ/Z 9143.2-1987 is the English-translated version of 助听器第9部分：带有骨振器输出的助听器特性测量方法.

SJ/Z 9143.2-1987 is the Chinese standard "hearing aids. Part 9: Methods of measurement of characteristics of hearing aids with bone vibrator output". This standard specifies the characteristics of the measurement method using a hearing aid in bone vibrator output. It cites 8 other standards.

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Document preview — SJ/Z 9143.2-1987

National Standard of the People's Republic of China

Classification: L31

Normative references

2 Normative references

The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document.

GB 2421-1984

GB 2422-1984

GB 2423-1984

GB 2424-1984

GB 6657-1986

IEC 118-7-1983

GB 3769-1983

IEC 373

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 8 pages — is available in the English PDF.

Referenced standards

Normative references

GB 2421-1984 · GB 2422-1984 · GB 2423-1984 · GB 2424-1984 · GB 6657-1986 · IEC 118-7-1983 · GB 3769-1983 · IEC 373

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