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Technical Information
Home Screen - Activate Gross Test
Figure 37 Home Screen - Activate Gross Test
Gross Test
Agilent Helium Leak Detector User Manual
Allows the operator to locate leaks while the system is in
roughing mode. The test indicates the presence of a leak at
high pressures only and does not display a leak rate value.
1
Activate Gross Test. The GROSS TEST button appears on
the Home screen when the test port pressure is between
10 and 150 Torr.
2
Press GROSS TEST to enter the screen.
There is an audio tone for Gross Leak testing, which
increases as the leak increases.
Gross Test only works when the test port pressure is
between 10 and 150 Torr and remains constant (± 2%
between previous and current pressure readings).
The Gross Leak test stops if the system goes into
Backing, Test or Fine TEST mode.
Activating the Auto Sequencer button terminates the
Gross Leak test.
The HOLD button is inactive while in Gross Leak test
mode, as the system is in roughing mode.
Press to
activate
Gross Test
85
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