BRUEL & KJAER Mediator 2238 - Page 14

Chapter 1 – Introduction
Measurement Parameters
1–8
Brüel & Kjær2238 Mediator
User Manual
L
XYp
LAFp Sound pressure level
(display only)
“A”, “C”
or “L”
“F”, “S”
and “I”
L
XYinst
LAFInst Randomly sampled
instantaneous value of
RMS level (display only)
“A”, “C”
or “L”
“F”, “S”
and “I”
L
AFT5
LAFT5 “Taktmaximal” “A” “F”
L
AFTm5
LAFTm5 Averaged “Taktmaximal” “A” “F”
Detector 1 general – other parameters
L
XYN
LAF1 ...
LAF99
Percentile levels “A”, “C”
or “L”
“F”, “S” or
“I”
Level distribu-
tion
– Level and cumulative dis-
tribution
––
L
AIeq
–L
Aeq
LAIeq –
LAeq
Impulsiveness “A” –
L
AFTm5
–L
Aeq
LAFTm5–
LAeq
“Impulszuschlag” “A” –
L
Ceq
–L
Aeq
LCeq–
LAeq
Evaluation of low fre-
quency contents
“C” and
“A”
–
Dose%
X
ADose The dose percentage
based on the L
Xeq
(3dB
exchange rate)
“A” “F” or “S”
Dose%
XY4
AFDose4 The dose percentage
based on the L
av
and a
4dB exchange rate
“A” “F” or “S”
Dose%
XY5
AFDose5 The dose percentage
based on the L
av
and a
5dB exchange rate
“A” “F” or “S”
Overload% Over-
load%
The percentage of time
that an overload occurred
during a measurement
––
Table 1.1 (cont.) Parameters available with the Enhanced module