Agilent Technologies Helium Leak Detector
72
DRAFT 12
/11/17
5.1.2 Test Configuration Advanced Features
Use this screen to configure the High Pressure Test, Fine Test Only, AZ<0<0, Gross
Test, Transfer to Test and Stabilization Wait Timer.
Figure 5-2 Test Configuration Screen
High Pressure Test Select the High Pressure Test mode. When High Pressure Test is
selected, Range Stop defaults to 10
-7
atm cc/sec. High Pressure Test
sensitivity mode range is 10
-4
to 10
-8
atm cc/sec.
❑ When the leak detector is in Vent mode:
Turn the High Pressure Test feature on to start the test cycle.
This automatically locks the leak detector into
Contra-Flow™ Leak mode, and auto-ranges through all
decades down to the most sensitive Contra-Flow range.
❑ When the leak detector is in Test mode:
Turn the High Pressure Test feature on to perform the same
function, with the exception of performing the test cycle
start sequence.
Fine Test Only Select the Fine Test Only switch to enable the feature. When
selected and Test is initiated on the Home Screen the leak detector
transfers from Test to Fine Test and remains in Fine Test regardless
of leak rate. If the test port pressure is greater than 1.4E-1 Torr the
leak detector transfers back to the Roughing Mode.
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