GB/T 4854.3-1998Acoustics. Reference zero for the calibration of audiometric equipment. Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators (English PDF)
声学 校准测听设备的基准零级 第3部分:骨振器纯音基准等效阈力级
GB/T 4854.3 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 4854.3-2022 | Acoustics - Reference zero for the calibration of audiometric equipment - Part 3: Reference equivalent threshold vibratory force levels for pure tones and bone vibrators | Valid |
| GB/T 4854.3-1998 | Acoustics. Reference zero for the calibration of audiometric equipment. Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators | Obsolete |
GB/T 4854.3-1998 is obsolete. It has been replaced by GB/T 4854.3-2022. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
State Bureau of Technical Supervision
Level / Type
National · Recommended
Issue date
March 18, 1998
Implementation date
October 1, 1998
Scope
GB/T 4854.3-1998 is the English-translated version of 声学 校准测听设备的基准零级 第3部分:骨振器纯音基准等效阈力级.
GB/T 4854.3-1998 is the Chinese national standard "Acoustics. Reference zero for the calibration of audiometric equipment. Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators".
It was issued on March 18, 1998 by the State Bureau of Technical Supervision, and took effect on October 1, 1998. It is obsolete: it has been replaced by GB/T 4854.3-2022.
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Document preview — GB/T 4854.3-1998
National Standard of the People's Republic of China
Issued by: State Bureau of Technical Supervision
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: State Bureau of Technical Supervision.
Date of issue: 1998-03-18.
Date of implementation: 1998-10-01.
Status: obsolete, replaced by GB/T 4854.3-2022.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
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Related Standards
GB/T 4854.4-1999 — Acoustics. Reference zero for the calibration of audiometric equipment. Part 4: Reference levels for narrow-band masking noise
GB/T 4854.1-1999 — Acoustics--Reference zero for the calibration of audiometric equipment--Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
GB/T 4854.5-2008 — Acoustics -- Reference zero for the calibration of audiometric equipment -- Part 5: Reference equivalent threshold sound pressure levels for pure tone in the frequency range 8 kHz to 16 kHz
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GB/T 4854.3-1998
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