Agilent Technologies Helium Leak Detector
74
DRAFT 12
/11/17
Figure 5-3 Gross Test Screen
❑ Gross Test is activated in the Test Configurations > Advanced
Features menu.
❑ Once activated, the GROSS TEST button appears on the
Home screen. 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.
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