BRUEL & KJAER Mediator 2238 - Page 13

Chapter 1 – Introduction
Measurement Parameters
BB1122–11
1–7
2238 Mediator
User Manual
Detector 1 — RMS Parameters
Parameter
Default
screen
parameter
Definition
Freq.
Weight-
ing
Time
Weight-
ing
L
Xeq
LAeq Equivalent continuous
level for the duration of
the measurement as
defined by IEC1672
“A”, “C”
or “L”
–
L
XIeq
LAIeq Equivalent continuous
level of the impulse
weighted SPL
“A”, “C”
or “L”
“I”
L
XYav4
LAFav4 Averaged sound level
with an Exchange Rate of
4dB (L
DOD
)
“A”, “C”
or “L”
“F” and
“S”
L
XYav5
LAFav5 Averaged sound level
with an Exchange Rate of
5dB (L
OSHA
)
“A”, “C”
or “L”
“F” and
“S”
L
XE
LAE Frequency weighted
sound exposure level for
the duration of the meas-
urement as defined by
IEC1672
(SEL, 1s)
“A” –
L
Xep,d
LAFep,d Daily Personal Noise
Exposure. Recommended
by EEC Directive EEC/86/
188
“A” –
E
A
EA Total sound exposure for
the duration of the meas-
urement in Pa
2
h
––
L
XYmax
LAFmax Max. L
XYp
value detected
within the elapsed time
“A”, “C”
or “L”
“F”, “S”
and “I”
L
XYmin
LAFmin Min. L
XYp
value detected
within the elapsed time
“A”, “C”
or “L”
“F”, “S”
and “I”
Table 1.1 Parameters available with the Enhanced module