ACOUSTICS

Acoustic Laboratory has developed high accuracy capability to support national acoustics measurement activities. The chart illustrates the traceability for acoustics measurement in Malaysia.

1-inch and ½-inch laboratory standard microphone

The highest standards are 1-inch laboratory standard microphone (LS1P) and ½-inch laboratory standard microphone (LS2P) that are maintained using Reciprocity Calibration System. The frequency range is from 20 Hz to 25 kHz with the best uncertainty of 0.04 dB at 1 kHz.