Sound power in a semi-anechoic chamber

Measurement Sound power (enveloping measurement surface), sound intensity, localization of sound sources
Standards DIN EN ISO 3745, DIN EN ISO 3744
Measurement object Machinery and equipment, for example of ventilation and air-conditioning systems, and other noise sources

Technical data

Free room size (L × W × H) 19,43 m × 5,25 m × 6,17 m
Room volume 629 m3
Entrance door (H × W) 1,90 m × 2,37 m

Special features

Connection to a reverberation room
Measurement of sound insulation and sound absorption of elements between reverberation and anechoic room
Size of the connecting door (measuring surface) 3,80 m × 2,35 m

More Information

  • Ventilation system (flow rate max. 4000 m³/h)
  • Vibrational isolation by using “Omega Clamps” to suppress influence due to structure-borne sound
  • Lower cut-off frequency 125 Hz (according to standard)