PRÜFTECHNIK VIBXPERT II - C.4 Two-Channel Measurement

5-10
VIBXPERT II 05.2012
Measurement tasks
C.4 Two-channel measurement
The following differences appear when displaying the results of two-
channel measurements.
Spectrum - RPM
Just one spectrum per channel is displayed on the results screen.
Scrollingwiththe'+/-'keyactsonbothchannels.
In the waterfall diagram, you must select the channel whose spectrum
is to be displayed.
Characteristic value - RPM / Phase - RPM
In two-channel measurements, it is possible to display the channels
individually or together in one screen. Press the F key and select the
option ‘Display Channel -> A , B or A+B’.
'Channel A+B' display:
Channel A is shown in blue, channel B is shown in green.
The delta cursor is not available for 2-channel measurements.
Runup / Coastdown - 2 channels
Left:
Select 'Channel A + B'
Right:
Nyquist diagram

Note
Channel BChannel A