JJG 388-2001 Replaced National Metrology and Inspection Regulations JJG

JJG 388-2001 Pure-tone Audiometers

JJG 388-2001 Pure-tone Audiometers

Publish Date: 2001-12-03 Implement Date: 2002-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: JJG 388-2001

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: -

ICS Name: -

Publish Date: 2001-12-03

Implement Date: 2002-03-01

Pages: 45 pages

Scope

This regulation applies to the type-approval, prototype testing, initial verification, subsequent verification, and in-use inspection of pure tone audiometers.

Development Information

Word Count: 61 Thousand words Pages: 45 pages

Replace the following standards

JJG 388-1985

Referenced Standards

GB/T 7341.1-1998 Audiometers Part 1:Pure-tone audiometers OIML R104-1993 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 4854.3-1998 Acoustics—Reference zero for the calibration of audiometric equipment—Part 3:Reference equivalent threshold force levels for pure tones and bone vibrators GB/T 7342-1987 IEC provisional reference coupler for the calibration of earphones used in audiometry GB/T 7614-1987 An artificial ear of wide band type for the calibration of earphones used in audiometry GB/T 15951-1995 Mechanical coupler for measurements on bone vibrators GB/T 4854.4-1999 Acoustics—Reference zero for the calibration of audiometric equipment—Part 4:Reference levels for narrow-band masking noise GB 9706.1-1995 Medical electrical equipment—Part 1:General requirements for safety GB/T 3241-1998 Octave-band and fractional-octave-band filters GB/T 6587-1986

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