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  • BSI
    BS 2497-5:1988, ISO 389-1985 Standard reference zero for the calibration of pure tone air conduction audiometers - Specification for a standard reference zero using an acoustic coupler complying with BS 4668
    Edition: 1988
    $266.02
    / user per year

Description of BS 2497-5:1988 1988



Reference equivalent threshold sound pressure levels for two earphones, Beyer DT 48 with flat cushion and Telephonics TDH 39 with MC 41/AR cushion, in a form suitable for calibration.

Standard NumberBS 2497-5:1988, ISO 389-1985
TitleStandard reference zero for the calibration of pure tone air conduction audiometers - Specification for a standard reference zero using an acoustic coupler complying with BS 4668
StatusWithdrawn
Publication Date1988-02-29
Withdrawn Date1992-02-28
ReplacesBS 2497-2:1969, BS 2497-1:1968
Replaced ByBS EN ISO 389:1997
Identical National Standard OfISO 389:1985
DescriptorsAcoustic measurement, Sound intensity, Datum, Earphones, Hearing (auditory perception), Auditory threshold, Audiometers, Acoustic equipment, Acoustic couplers, Calibration
ICS17.140.50 Electroacoustics, 11.040.01 Medical equipment in general
CommitteeEH/1
ISBN0 580 16490 X
PublisherBSI
Pages8

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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