CESVA SC420 User Manual page 162

second
X: A, C or Z; Y: F, S or I
L Peak sound pressure level of measurement time with X frequency weighting
Xpeak
L * Peak sound pressure level of 1 second with X frequency weighting
Xpeak1s
X: A, C or Z
L Total percentiles
nt
L Partial percentiles of T integration time
nT
n: 1%, 5%, 10%, 50%, 90%, 95%, 99%. Percentiles are calculated through the LAF
function sampled every 125ms and with classes of 0.1 dB
L Equivalent continuous sound pressure level with integration time equal to the
Xt
measurement time with X frequency weighting
L Equivalent continuous sound pressure level with T integration time with X frequency
XT
weighting
L Maximum equivalent continuous sound pressure level with T integration time with X
XTmax
frequency weighting
L Minimum equivalent continuous sound pressure level with T integration time with X
XTmin
frequency weighting
L * Equivalent continuous sound pressure level with 1 second integration time with X
X1s
frequency weighting
L Equivalent continuous sound pressure level with impulse time weighting (Impulse) with
XIt
integration time equal to the measurement time with X frequency weighting
L Equivalent continuous sound pressure level with impulse time weighting (Impulse) and
XIT
with T integration time with X frequency weighting
L Sound exposure level S.E.L.
XE
X: A, C or Z
(L -L ) Dynamic subtraction of the equivalent continuous sound pressure level with time
XIt Xt
weighting 'I' and the equivalent continuous sound pressure level, corresponding to the
measurement time
(L -L ) . Dynamic subtraction of the equivalent continuous sound pressure level with frequency
Ct At
weighting C and the equivalent continuous sound pressure level with frequency
weighting A, corresponding to the measurement time
(L -L ) Dynamic subtraction of the equivalent continuous sound pressure level with time
XIT XT
averaging 'I' and the equivalent continuous sound pressure level, corresponding to the
programmable T integration time
(L -L ) Dynamic subtraction of the equivalent continuous sound pressure level with frequency
CT AT
weighting C and the equivalent continuous sound pressure level with frequency
weighting A, corresponding to a programmable T integration time
X: A, C or Z
L Taktmaximal-Mittelungspegel, corresponding to the measurement time, in compliance
AF5t
with standard DIN 45641
L Taktmaximal-Mittelungspegel, corresponding a programmable T integration time, in
AF5T
compliance with standard DIN 45641
L -L Dynamic subtraction of the Taktmaximal-Mittelungspegel and the equivalent continuous
AF5t At
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Chapter 23 Functions