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GB/T 4854.1-2004 English PDF

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GB/T 4854.1-2004: Acoustics -- Reference zero for the calibration of audiometric equipment -- Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
Status: Valid

GB/T 4854.1: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 4854.1-2004English194 Add to Cart 3 days [Need to translate] Acoustics -- Reference zero for the calibration of audiometric equipment -- Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones Valid GB/T 4854.1-2004
GB/T 4854.1-1999English439 Add to Cart 4 days [Need to translate] Acoustics--Reference zero for the calibration of audiometric equipment--Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones Obsolete GB/T 4854.1-1999
GB/T 4854-1984EnglishRFQ ASK 3 days [Need to translate] Standard reference zero for the calibration of pure-tone audiometer Obsolete GB/T 4854-1984

PDF similar to GB/T 4854.1-2004


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Basic data

Standard ID GB/T 4854.1-2004 (GB/T4854.1-2004)
Description (Translated English) Acoustics. Reference zero for the calibration of audiometric equipment. Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard A59
Classification of International Standard 13.140
Word Count Estimation 10,194
Date of Issue 2004-05-13
Date of Implementation 2004-12-01
Older Standard (superseded by this standard) GB/T 4854.1-1999
Quoted Standard GB/T 7342; GB/T 7614
Adopted Standard ISO 389-1-1998, IDT
Regulation (derived from) Announcement of Newly Approved National Standards No. 6, 2004 (No. 68 overall)
Issuing agency(ies) State Administration of Quality Supervision, Inspection and Quarantine
Summary This standard specifies the pure tone air conduction audiometry hearing Ae -level indexing benchmark zero. This section presents information that is subject to GB/T 7342 uz prescribed measuring chamber together two standard models without an earphone response as well as in line with GB/T 7614 on the side of the artificial ear specified amount (4. 3 forth) other models the response of the ear headphones can be used directly audiometer calibration from multiple responsible for this standard is based on standardized audiometry laboratory and scientific publications information before making estimates based.

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