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ISO 389-2:1994

Acoustics — Reference zero for the calibration of audiometric equipment — Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones

Standard Details

Specifies levels supplementary to those specified in ISO 389:1991 (to be re-issued as ISO 389-1). Values given are applicable to insert earphones of type Etymotic Research ER-3A, coupled to the human ear by ear inserts of type ER-3-14.

General Information

Status : Published
Standard Type: Main
Document No: ISO 389-2:1994
Document Year: 1994
Pages: 7
Edition: 1
  • ICS:
  • 13.140 Noise with respect to human beings

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ISO 389-2:1994
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