Chapter 3 – Measurement Set-up Menu
Measurement Set-up Menu
BB1122–11
3–3
2238 Mediator
User Manual
Setting Bandwidth for Detector 1 (RMS)
● Broad-band
● 1/3-octave
● 1/1-octave
Select the desired option in the Bandwidth field.
Note: The 1/3-octave and 1/1-octave options only ap-
pear when the
1
/
1
-octave and
1
/
3
-octave Filter Set is installed
in Mediator.
Setting Frequency Weighting for Detector 1
● A, C, L (Broadband)
● 31.5 Hz ... 8 kHz (1/1-octave)
● 20 Hz ... 12.5 kHz (1/3-octave)
Select the desired standardised frequency weighting or centre
frequency in the Freq. Wgt. field. The centre frequencies
depend on the setting in the Bandwidth field.
Setting Frequency Weighting for Detector 2 (Broadband)
● Peak/C
● Peak/L
● RMS/A
● RMS/C
● RMS/L
In the Weighting field you can set Detector 2 to Peak with
C or L frequency weighting or to RMS with A, C or L fre-
quency weighting.
Measurement Parameters
Measurement parameters that are calculated as the differ-
ence between two measured parameters (LAIeq – LAeq,
LAFTm5 – LAeq and LCeq – LAeq) requires that the two de-
tectors are set up to measure the associated parameters.
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