Section 4 — Measurement Types and their Uses
104
10. Press to return to the main measurement screen.
NOTE: The values beside Fmax Fmin on the main
measurement screen now list the orders that will be tracked,
together with the text Ord Trk. This indicates the measurement will
be order tracked. The values beside Wfm Duration Total Time
display the number of revolutions that will be tracked, together
with the text Rev Trk. If these values are NOT entered manually,
they are calculated using the fact that revolutions multiplied by
orders must equal lines of resolution. The parameter set will be
appended with the text [OT] to indicate the measurement is now
order tracked.
11. Repeatedly press Tach Trigger on the main menu to select a
Standard or Keyphasor tachometer.
NOTE: An order tracked measurement CANNOT be taken without a
tachometer. If OFF is selected, an alert will display when you
attempt to take the measurement. It will advise you that a
tachometer is required. When a tachometer is specified and order
tracking is activated, RPM is measured throughout the recording
and then averaged to get a final weighted RPM.
12. Attach the vibration sensor.
13. Connect the tachometer that will be used to measure machine RPM.
14. Press > Press Sensor Setup.
15. Specify a sensor (or two sensors if taking an Orbit Plot
measurement) > Press .
16. Press to take the reading — The plot details displayed in the
top left of the screen will be appended with the text [OT] to indicate
the measurement is order tracked.
17. Press Save to select a machine location to save this data to.
18. Use the arrow keys on the left to scroll up and down.
19. Press (Expand Navigator) repeatedly to expand a machine so
its points and locations display.
20. Press to save the data to the required location.
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