B&K 2250 Light Manual do Utilizador Página 273

  • Descarregar
  • Adicionar aos meus manuais
  • Imprimir
Vista de página 272
APPENDIX B
Measurement Parameters
261
Minimum Time-weighted Sound Levels
•L
XFmin
•L
XSmin
•L
XImin
•L
YFmin
•L
YSmin
•L
YImin
US Occupational Health Parameters
•L
avRQ
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)
*
Voltage updated at approx. 5 s intervals and logged with Logging Period intervals
Trig. Input Voltage (requires Trigger Input is set to Voltage for Monitoring)
The following parameters are available per set of logged parameters
Overload in %
•Start time (common to both channels in 2-channel templates)
•Stop Time (common to both channels in 2-channel templates)
Elapsed Time (excl. pauses; common to both channels in 2-channel templates)
The Statistics can be logged to calculate Percentile Levels and Std.Dev. per logging interval.
Low-frequency Parameters (requires Low Frequency Option BZ-7234)
•L
Geq
•L
G10max
•L
G10min
•L
Gpeak
*. These parameters require license for BZ-7223 and measurement of spectra.
Vista de página 272
1 2 ... 268 269 270 271 272 273 274 275 276 277 278 ... 331 332

Comentários a estes Manuais

Sem comentários