Specification |
|
Value to be Measured |
Sound Absorption Coefficient (α) |
Standard |
GB/T-18696, 2-2002, ISO10534-2, 1998 |
Frequency Range (Hz) |
800 ~ 6300 |
Inner Diameter of Testing Tube |
30mm |
Loud speaker |
4 “ in diameter, 20 Watts, 8 Ohm |
1/4’’ Microphone |
MPA416 |
Data Acquisition Card |
MC3022+PA50 or MC3522 |
Power Amplifier |
PA50 |
Software |
VA-Lab2 Basic + VA-Lab2 IMP-A |