34
9.2.4 d)
Data for correction - with and
without windscreen - for :
- Deviation of average frequency
response to uniform frequency
response.
- Case reflection and microphone
diffraction
Including values for expanded
uncertainties.
In 1/3 octave frequencies for 63
Hz to 1 kHz and 1/12 octave fre-
quencies for 1 kHz to 16 kHz
5.2.4 -
5.2.5
Refer to 5.2.4 -
5.2.5
9.2.5
Operating the sound level meter
9.2.5 a)
Reference direction
5.1.13
Refer to 5.1.13
9.2.5 b)
Procedure to measure sound,
Influence of the instrument case
and operator.
5.1.6
5.2.4
5.2.5
Refer to 5.1.6
Refer to 5.2.4
Refer to 5.2.5
9.2.5 c)
Recommendation for selecting
optimum level range
5.1.12
Refer to 5.1.12
9.2.5 e)
Initial time interval after switch-
ing on power
5.1.18
Refer to 5.1.18
9.2.5 f)
Time interval for completion of
the integration
5.15.6
Refer to 5.15.6
9.2.5 g)
Procedure to preset the integra-
tion time & time of the day
5.17.1
Refer to 5.17.1
9.2.5 h)
Statement of the minimum &
maximum integration time
5.17.2
Refer to 5.17.2
9.2.5 i)
Operation of the “Hold” func-
tion
Measurement:
Measurement of
maximum time-
weighted sound
level
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