BS 2497:Part 5:1988
British Standards Institute, BSI

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BS 2497:Part 5:1988

Not Current

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

£114.00

0 580 16490 X

Summary:

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.

Status:

Not Current

BS 2497:Part 5:1988 International Equivalent:

ISO 389

BS 2497:Part 5:1988 Key Phrases:

Calibration, Audiometers, Datum, Acoustic equipment, Acoustic measurement, Sound intensity, Earphones, Acoustic couplers, Auditory threshold, Hearing (auditory perception)

BS 2497:Part 5:1988 Cross References:

BS 2497:Part 6, BS 4668, BS 4669, BS 6655, BS 6950, BS 6951

BS 2497:Part 5:1988 Replaces:

BS 2497:Part 1:1968, BS 2497:Part 2:1969

BS 2497:Part 5:1988 Replaced By:

BS EN ISO 389:1997