B&K 2250 Light, Руководство пользователя

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2250 Light – User Manual 156
The following ISO/EU Occupational Health Parameters are calculated and displayed for
Total, Periodic Reports and Logged data:
• L
ep,d
• L
ep,d,v
If Statistics are available, then Std.Dev. and 7 percentile levels can be calculated and dis-
played:
LXN1 or LXUN1 to LXN7 or LXUN7 .
If L
Weq
spectrum is available, then NC, NC Decisive Band, NR, NR Decisive Band, RC,
RC Classification, NCB, NCB Classification can be calculated and displayed.
If L
Weq
1/3-octave spectrum is available, then Loudness and Loudness Level can be calcu-
lated and displayed.
B.4.2 Relationship Between Setup and Measurement Parameters
The measurement parameters are measured in accordance with the setup parameters.
The following tables describe the relationship between the setup and measurement parame-
ters:
Table B.1 General Parameters
Parameter LXeq LXE LXIeq LAFTeq LVpeak TVpeak LXYmax LXYmin
Sound Field
Correction
       
Windscreen
Correction
       
Broadband
(excl. Peak)
  
A
 
Broadband
Peak
 
Table B.2
Statistics
Parameter LXYN
Sound Field
Correction

Windscreen
Correction

Broadband
(excl. Peak)

Broadband
Statistics
based on

Percentile N%
