Table-1 Survey and Laboratory Methods of Noise Measurement
Instrument
|
Application
|
Sound Level Meter
|
dB(L).dB© and dB(A) instantaneous
Fast Or Slow +
|
Sound Level Meter and Octave Band Analyzer
|
As above with Octave analysis 31.5-16 KHz
|
Impulse Noise Meter
|
Peak levels as instantaneous or average
|
Noise Average Meter
|
Average noise level for time specified
|
Noise Dose Meter
|
Noise dose relative to predetermined leq dB(A)
|
Tape Recorder
|
Recording of noise prior to analysis
|
Third Octave Analyzer
|
Detailed analysis from meter or tape
|
Statistical Distribution
|
Divides noise into level classes
|
Real Time Analyzer
|
Gives instantaneous changes in spectra
|