❶ Identification of the memory location
(Test) as well as the sensor considered
(TTB2 •= airborne phase)
The operator wears the headset, in order
to detect possible anomalies by listening.
In case of rapid loss of vacuum, check the
continuity of the installation.
❷ Settings imposed on the acquisition. By
pressing Enter, the operator will trigger an
acquisition of X seconds and the progress
screen will be displayed.
❸ Real-time RMS value (calculated over ½
second)
❹ RMS trend observed in the last 30
seconds
The curve -- recalls the previously saved
reference. The blue curve represents the
values in vacuum.
❺ Return to the previous screen with the
F1 key
❻ Switch to the next screen with F3,
repeat a recording from the red sensor (i.e.
TTR2 •= liquid phase)
It is necessary to take successively, a measurement in vacuum with the TTB2 sensor
as well as one with the TTR2 sensor (in the liquid), to continue the guided mode.
These are compared to the background noise associated with the reference values.
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