B&K 2250 Light Manual de usuario Pagina 125

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117
Chapter 13
Tone Assessment Option BZ-7231 –
1/3-octave Method
13.1 General
Tone Assessment Option BZ-7231 includes tone assessment according to the ISO standard. It
allows assessment of tones on-site.
The result of the tone assessment is the adjustment to be added to the L
Aeq
as described in the
standard for calculating rating level.
BZ-7231, when used with 1/3-octave Frequency Analysis Software BZ-7132 and Logging
Software BZ-7133, allows you to:
Assess tones in a measured 1/3-octave spectrum according to ISO 1996:2007, Annex D
Tone Assessment Option BZ-7231 brings results to the user on-site as well as preparing for
post-processing and reporting back at the office. Documentation can be completed using
Measurement Partner Suite BZ-5503, or the measured data can be exported for post-processing
by Evaluator Type 7820 or other post-processing software such as Microsoft
®
Excel
®
.
Check the About menu to see whether you have the right license to run the Tone Assessment
Option. (The About menu is accessed from built-in help – tap the Help icon on the Shortcut
Bar, then select About.)
If you have purchased your analyzer together with the software application(s), then the relevant
license(s) comes pre-installed.
If you purchased a separate software application for your analyzer, then you have to install the
license on the analyzer. This is done using BZ-5503, please consult the on-line help included
with the BZ-5503 software for instructions on how to install a license.
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