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Chapter 11
Logging (Optional Module)
Logging Software for 2250 Light BZ-7133 enables you to measure and save data periodically on
SD or CF cards. You can also save to a USB memory stick with hardware version 4. The
module is optimised for attended use, which means that while measuring you can ‘mark’ up to
five different sound categories online.
The main benefit is that data is documented on-site and is therefore ready for post-processing and
reporting back at the office using Measurement Partner Suite BZ-5503 or other post-processing
software such as Evaluator Type 7820, Protector Type 7825 or Microsoft
®
Excel
®
.
In addition to measuring broadband parameters (see Chapter 3) and spectra
*
(see Chapter 10),
the logging module allows you to simultaneously log the following parameters:
• Broadband Parameters (including broadband statistics)
• Spectra
*
• Broadband Parameters every 100 ms
• Record the measured signal
†
An overview showing the options available during a typical logging task has been provided in
Table 11.1.
Table 11.1
Overview of options available during a typical logging task
*. Requires 1/1- or 1/3-octave Frequency Analysis Software for 2250 Light BZ-7131/32
†. Requires Signal Recording Option BZ-7226
Selection Period
Broadband
Parameters
Broadband
Statistics
Spectral
Parameters
Logged
1 s – 24 h
1 to 10
or All (45)
None
or Full
0–3
or All (5)
Logged
(100 ms)
100 ms
None,
L
Aeq
, L
AF
and/or L
AS
None
available
None
available
Total Elapsed
Time
All (58) Full All (5)
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