This standard describes instruments for the measurement of frequency-weighted and time-average sound pressure levels. Optionally, sound exposure levels may be measured. Is consistent with the relevant requirements of American National Standard for Specification for Sound Level Meters, ANSI/ASA S1.4-1983, but specifies additional characteristics that are necessary to measure the average sound pressure level of steady, intermittent, fluctuating and impulsive sounds.
Retrieved from ANSI eStandards Store on 01/14/2014.