ISO/TR 4869-4:1998

Withdrawn

Acoustics Hearing protectors Part 4: Measurement of effective sound pressure levels for level-dependent sound-restoration ear-muffs

Available format(s)

PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users , Hardcopy

Withdrawn date

16-02-2019

Language(s)

English, French

Published date

01-10-1998

Publisher

International Organization for Standardization

DocumentType	Technical Report
Pages	7
PublisherName	International Organization for Standardization
Status	Withdrawn

EN 352-7:2002	Hearing protectors - Safety requirements and testing - Part 7: Level-dependent ear-plugs
PD 6545:2005	Intended use of human head and ear simulators-guide
ANSI/ASA S12.42 : 2010	METHODS FOR THE MEASUREMENT OF INSERTION LOSS OF HEARING PROTECTION DEVICES IN CONTINUOUS OR IMPULSIVE NOISE USING MICROPHONE-IN-REAL-EAR OR ACOUSTIC TEST FIXTURE PROCEDURES
BS EN 352-7:2002	Hearing protectors. Safety requirements and testing Level-dependent ear-plugs

IEC 61094-4:1995	Measurement microphones - Part 4: Specifications for working standard microphones
ISO 4869-1:1990	Acoustics Hearing protectors Part 1: Subjective method for the measurement of sound attenuation
ISO 4869-2:1994	Acoustics Hearing protectors Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn
ISO/TR 4869-3:1989	Acoustics Hearing protectors Part 3: Simplified method for the measurement of insertion loss of ear-muff type protectors for quality inspection purposes
IEC 61260:1995	Electroacoustics - Octave-band and fractional-octave-band filters
IEC 60651:1979+AMD1:1993+AMD2:2000 CSV	Sound level meters