CESVA SC-30, Руководство пользователя, Страница: 25 / 76

SC-30
User’s Manual
23
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A graph of the equivalent continuous sound pressure levels with T integration time (bars
[ ]) in real time for octave bands centred on the frequencies 31.5, 63, 125, 250, 500,
1,000, 2,000, 4,000, 8,000 and 16,000 Hz (without frequency weighting).
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The numerical value of the equivalent continuous sound pressure level with T integration
time and peak sound pressure level of the T interval for the selected octave band (bar [ ])
(without frequency weighting).
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The central frequency of the selected octave band (bar [ ]).
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The equivalent continuous global sound pressure level with T integration time and peak
sound pressure level of the T interval with frequency weightings A, C, and Z.
To change the selected octave band (bar [ ]) press (left) and (right).
By pressing you access the room noise analyser mode.
Curves mode
This screen displays the following information in real time:
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In the bottom left part appears the highest NC curve not exceeded by the measured
spectrum. That is the NC curve that defines the measured noise.
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In the upper part appears, for each octave band, the NC curve value not exceed in that
band. This information is useful to check which octave band has the maximum
contribution to the NC curve. That is to say, at last there must be one octave band with an
NC curve equal to the one corresponding to the measured noise.
This screen also displays the following data in real time (press (right) to view it):