17/30333265 DC : 0
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
BS EN ISO 389-1 - ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 1: REFERENCE EQUIVALENT THRESHOLD SOUND PRESSURE LEVELS FOR PURE TONES AND SUPRA-AURAL EARPHONES
Hardcopy , PDF
02-28-2018
English
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Specifications
Annex A (normative) - Application of the RETSPLs
Annex B (informative) - Notes on the derivation of
the RETSPLs
Bibliography
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.