Reference details
- Reference
- EN ISO 11691:2009
- Title
- Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:1995)
- Organisation
- CEN
- Publisher status in source
- WithdrawnThis is the status recorded in the source, not a statement that this is the latest edition.
- Source access
- 19 October 2026
Research and application
Begin with the official scope and the product configuration. The title identifies a subject; it does not establish every product, use condition or legal requirement covered by the publication.
Product research routes
- Measurement, test and laboratory equipment
Measurement function, accuracy claims, electrical safety and the conditions under which results are comparable.
Questions for the evidence file
- Measurement model
- Uncertainty budget
- Calibration traceability
- Environmental and sample conditions
Record the exact edition and associated amendments, the assessed object, the evidence examined and the limits of the conclusion. Explore IESQ research for detailed product and standard studies.
Legislation reference records
The following records come from Commission information lists. A source listing, a publication status and a legal presumption of conformity answer different questions. Check the applicable Official Journal acts, dates and restrictions for the intended claim.
Machinery (MD)
Source: Generated on 7 September 2026
- End date in source
- 2027-01-20
- Official Journal reference
- OJ C 309
- Withdrawal reference
- OJ L
An absent date or restriction field is not confirmation of current legal status.