B&K 2250 Light Manual do Utilizador Página 163

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APPENDIX B
Measurement Parameters
155
Minimum Time-weighted Sound Levels
•L
XFmin
•L
XSmin
•L
XImin
•L
YFmin
•L
YSmin
•L
YImin
ISO/EU Occupational Health Parameters
•E
Dose
•ProjDose
#VPeaks (>xxx dB)
#VPeaks (>137 dB)
#VPeaks (>135 dB)
US Occupational Health Parameters
•L
avRQ
•TWA
•TWA
v
DoseRQ
•ProjDoseRQ
General Parameters
Overload in %
•Start time
•Stop Time
Elapsed Time (excl. pauses)
Special Parameters
L
XIeq
(also called L
XIm
)
•L
YIeq
•L
AIeq
-L
Aeq
L
AFTeq
(also called L
AFTm5
)
•L
AFTeq
-L
Aeq
SIL (average of L
Zeq
octave band levels: 500 Hz, 1000 Hz, 2000 Hz and 4000 Hz)
*
PSIL (average of L
Zeq
octave band levels: 500 Hz, 1000 Hz and 2000 Hz)
*
SIL3 (average of L
Zeq
octave band levels: 1000 Hz, 2000 Hz and 4000 Hz)
*
L
Weq
(f1-f2) (sum of power values for L
Weq
frequency bands from f1 Hz to f2 Hz)
*
*. These parameters require a license for either BZ-7131 or BZ-7132, and measurement of spectra.
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