Analyzing Measurements - Commtest Instruments vb Series Instrument Reference Manual

Analyzing Measurements

The spectrum/waveform/tachometer reading is displayed on the
instrument screen once a measurement has been taken. Spectra
and waveforms displayed on the instrument can be analyzed in the
following ways:
Displaying the amplitude/frequency of a peak
•
To read the vibration amplitude or level corresponding to a
particular frequency or time press
cursor to that frequency or time value. The values indicated
by the cursor are displayed at the top-right of the screen.
Note: The overall vibration value is not displayed while cursors are
activated.
•
To move the cursor rapidly press
Using cursors to display frequency and amplitude levels
Displaying harmonics
•
To identify the harmonics of a peak, move the cursor to the
peak of interest. If the harmonic cursors option has been
turned on (see below), additional cursors are displayed at
frequency or time values that are whole-number multiples of
the frequency or time value indicated by the main cursor.
•
To turn on harmonic cursors press
Display Options Menu then press
on. Press
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
to return to the chart display.
Section 3: Onsite Analysis - Measurement Menu
or to move the
+ and +
to access the
to toggle the cursors
55