BS 7189:1989
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Specification for sound calibrators
Hardcopy , PDF
01-10-1998
English
29-09-1989
National foreword
Committees responsible
0. Introduction
1. Scope
2. Definitions
2.1 Sound calibrator
2.2 Nominal value
2.3 Equivalent free-field sound pressure level
2.4 Equivalent diffuse-field sound pressure level
2.5 Other terms
3. Requirements
3.1 Sound pressure level
3.2 Frequency
3.3 Influence of ambient pressure, temperature and
humidity
3.4 Harmonic distortion
3.5 Tone-burst capability
3.6 Battery requirements
3.7 Specification of microphone models
3.8 Extraneous influences
4. Marking and instruction manual
4.1 Marking of the sound calibrator
4.2 Instruction manual
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.