Acoustic Testing Equipments

Acoustic Testing Equipments



Hemi-anechoic chamber:
  • Size (wedge tip to wedge tip): 4.3 x 4.3 x 2.6 meters
  • Wedge length: 0.87 meters
  • Cut-off frequency: 100 Hz
  • Meets ISO 3745:2003 for all bands from 100 Hz to 10000 Hz
  • Background noise (100 ~ 20,000 Hz): less than 8 dB(A)
 
Acoustic Measurement Device:
  • Artificial Head form HEAD acoustics.
  • 1/2” microphone form G.R.A.S.
  • Low-noise 1/2” microphones from G.R.A.S. for sound power measurement.
  • HEAD acoustics SQLab III data acquisition system.
  • HEAD acoustics ArtemiS acoustic and sound quality analysis software.
 
Fan acoustic measurement apparatus:
  • Full scale ISO 10302-1 test apparatus.
  • 1/4 scale ISO 10302-1 test apparatus.
 
Sound power measurement of fan mounted on 1/4 scale ISO 10302-1 test apparatus.