Fans — Determination of fan sound power levels under standardized laboratory conditions — Part 4: Sound intensity method
STANDARD published on 15.7.2025
Designation standards: ISO 13347-4:2025-ed.2.0
Publication date standards: 15.7.2025
The number of pages: 30
Approximate weight : 90 g (0.20 lbs)
Country: International technical standard
Category: Technical standards ISO