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Hand-held Analyzer Types 2250 and 2270 – User Manual
B.5.1 Processed Parameters for Display Only (Microphone Input)
The following general parameter is available for display for Total data: Time Remaining (for
the current measurement, taking available disk space into account).
The following ISO/EU Occupational Health Parameters are calculated and displayed for Total,
Periodic Reports and Logged data: L
ep,d
and L
ep,d,v
If Statistics are available, then Std.Dev. and 7 percentile levels can be calculated and displayed:
LXN1 or LXUN1 to LXN7 or LXUN7.
If spectral statistics are available, then 7 percentile levels as spectra can be calculated and
displayed: LWUN1 to LWUN7.
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 calculated
and displayed.
For 2-channel templates:
• Single values for display:
– Ch.1 – Ch.2 L
Xeq
– Ch.2 – Ch.1 L
Xeq
– Ch.1 – Ch.2 L
Yeq
– Ch.2 – Ch.1 L
Yeq
• Spectra for display:
– Ch.1 – Ch.2 L
Weq
– Ch.2 – Ch.1 L
Weq
B.6 Total Measurement (Accelerometer and Direct Input)
B.6.1 For Sound Level Meter Software BZ-7222, Frequency Analysis
Software BZ-7223, Logging Software BZ-7224 and Enhanced Logging
Software BZ-7225
The following parameters are measured within the Elapsed Time:
Linear Averaged Levels
•Linear
Peak Levels
•Peak
•T
Peak
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