SOP OF Determination Of NOISE

Principle:       
To describe the general test method for measurement of noise.

Scope:              
This work instruction is applicable for measurement of noise at various locations.

Procedure:                                                

INSTRUMENT: Environmental noise pollution monitor

                        

Test method:                                                

Switch on the instrument by DC switch.                                 

    

Check the instrument for 94 dB(A) for its normal operation before taking for measurement

Place the monitor in such a way that the sensor of the monitor is facing the noise.

Keep the setting of four switches as under                           

                   ON / OFF        -  ON (DC) 

                   Range                   50 - 100

                   Selector switch -  A

                   Hold max          -  F

Equipment directly indicates the noise level.                        

Record the observation.