BS 2497(1992) : AMD 9442
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
15-04-1997
23-11-2012
Committees responsible
National foreword
Specification
1 Scope
2 Normative references
3 Definitions
4 Specifications
Tables
1 Recommended reference equivalent threshold sound
pressure levels in a coupler complying with IEC 303
2 Reference equivalent threshold sound pressure levels
in an artificial ear complying with IEC 318
Annexes
A Notes on the derivation and application of the
recommended reference levels
B Bibliography
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