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Commtest Instruments vb2000 User Manual

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Section 3: Onsite Analysis - Measurement Menu
40
The duration value can be set in three ways:
¾ Press
to display the Machine Running Speed Menu
then use the number keys to enter an RPM value. The
duration will be set to the time it takes the machine to
make 20 revolutions.
OR
¾ Press
to display the Set Duration Menu and use
or
to select a value.
OR
Press
to display the Set Fmax Menu and use or
to select a value. The value you select will determine
the equivalent duration value. If the waveform is later
transferred to Ascent and displayed as a spectrum, this
Fmax value will be used on the chart.
Select the number of samples by pressing
. This controls
the number of spectral lines used when the waveform is
transferred to Ascent and displayed as a spectrum.
Set the number of averages by pressing
to change the
value displayed. 16 or more averages is recommended in
order to remove non-synchronous peaks from the final
spectrum.
Note: You must use a tachometer as the trigger source.
When measuring is complete the resulting time waveform can be
transferred to your PC and viewed as a spectrum within the Ascent
software.
To store the measurement see Storing Measurements (page
54).
Setting your own parameters
Option
Custom Setup allows you to customize this menu to use
your own settings instead of the factory defaults. See Custom Setups
(page
57) for more information.
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

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Commtest Instruments vb2000 Specifications

General IconGeneral
BrandCommtest Instruments
Modelvb2000
CategoryMeasuring Instruments
LanguageEnglish

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