Industrial fans -- Determination of fan sound power levels under tandardized laboratory conditions -- Part 4: Sound intensity method -- Technical Corrigendum 1— 2 стр.
Industrial fans -- Determination of fan sound power levels under tandardized laboratory conditions -- Part 4: Sound intensity method -- Technical Corrigendum 1— 2 стр.
Acoustics. Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices. Airborne noise measurement— 46 стр.
BS EN 13141-8. Ventilation for buildings. Performance testing of components/products for residential ventilation. Part 8. Performance testing of non-ducted mechanical supply and exhaust ventilation units (including heat recovery)— 42 стр.
BS EN 13141-7. Ventilation for buildings. Performance testing of components/products for residential ventilation. Part 7. Performance testing of ducted mechanical supply and exhaust ventilation units (including heat recovery)— 48 стр.
BS EN 13141-4. Ventilation for buildings. Performance testing of components/products for residential ventilation. Part 4. Aerodynamic, electrical power and acoustic performance of unidirectional ventilation units— 43 стр.
Ventilation for buildings. Performance testing of components/products for residential ventilation. Fans used in residential ventilation systems— 24 стр.
Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 5: Cowls, assisted cowls and roof outlet terminal devices