NF EN 61012 : 1998
Current
The latest, up-to-date edition.
FILTERS FOR THE MEASUREMENT OF AUDIBLE SOUND IN THE PRESENCE OF ULTRASOUND
12-01-2013
Committees responsible
National foreword
Specification
Introduction
1. Scope
2. Filter characteristics
3. Sensitivity to various environments
4. Rating information and instruction manual
Tables
1. U-weighting characteristics. Relative frequency
response and tolerances
2. Pole locations for U-weighting
Annex
ZA (normative) Normative references to international
publications with their corresponding European
publications
Defines the electrical characteristics of a U-weighting filter mostly for use with sound level meters meeting the requirements of IEC 60651 for measuring audible sound in the presence of ultrasound.
| DevelopmentNote |
Indice de classement: C97-601. (11/2003)
|
| DocumentType |
Standard
|
| PublisherName |
Association Francaise de Normalisation
|
| Status |
Current
|
| Standards | Relationship |
| DIN EN 61012:1998-09 | Identical |
| I.S. EN 61012:1999 | Identical |
| UNE-EN 61012:2001 | Identical |
| EN 61012:1998 | Identical |
| IEC 61012:1990 | Identical |
| BS EN 61012:1998 | Identical |
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