Larson Davis 824 - Page 19

824 Reference Manual
iii-xv
Microphone Guidelines..............................................................................D-12
Near Field...................................................................................................D-15
Noise...........................................................................................................D-15
Noise Dose (D)...........................................................................................D-16
Noise Exposure ..........................................................................................D-17
OSHA Level (LOSHA)..............................................................................D-17
Preamplifier................................................................................................D-17
Projected Noise Dose .................................................................................D-17
Single Event Noise Exposure Level (SENEL, LAX) ................................D-17
Sound..........................................................................................................D-17
Sound Exposure (SE) .................................................................................D-18
Sound Exposure Level (SEL, LET) ...........................................................D-18
Sound Pressure ...........................................................................................D-19
Sound Pressure Level (SPL, Lp)................................................................D-20
Sound Power(W)........................................................................................D-21
Sound Power Level (PWL, Lw).................................................................D-21
Sound Speed, (c,) .......................................................................................D-22
Spectrum (Frequency Spectrum)................................................................D-22
Threshold Sound Level (Lt) .......................................................................D-22
Time Weighted Average Sound Level (TWA, LTWA(TC)).....................D-22
Time Weighting..........................................................................................D-23
Vibration.....................................................................................................D-23
Wavelength (l)............................................................................................D-23
Wavenumber (k).........................................................................................D-23
Appendix E Memory Usage E-1
LOG Memory Usage ............................................................................................. E-1
Exceedance Records (Exceedance History Enabled)] ...................................... E-1
Interval Records (Intv History Enabled)........................................................... E-2
Daily Records (Daily History Enabled) ............................................................ E-2
Time History Records (Time History Enabled)................................................ E-2
Other Histories and Memory Usage.................................................................. E-2
Estimating Memory Usage: .............................................................................. E-3
824-LOG Memory Usage Worksheet............................................................... E-5
824-SSA Memory Usage ....................................................................................... E-7
Interval Records (Intv History Enabled)........................................................... E-7
Time History Records (Time History Enabled)................................................ E-8
Appendix F SLM Testing to IEC61672-1 F-1