Is the noise measurement an instantaneous measurement?


Is the noise measurement instantaneous or complete 24 hour’s measurement at single point?
If it is instantaneous measurement, then is  a single point measurement at any particular time accepted or an average of 2 or 3 readings spread around the day for a particular location have to be taken ?


It is instantaneous measurement, at multiple indoor and outdoor locations of the project.

Instantaneous measurement is required during night time and daytime (for both outdoor and indoor compliance). For daytime use buildings, only daytime measurement is required.


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