Agilent Technologies Helium Leak Detector
DRAFT 12/11/17
81
5.1.3.6 Spray Method
The spray method is for leak testing vacuum systems of all sizes. When properly connected
to the vacuum system under test, the Helium Leak Detector will locate and indicate the
relative size of leaks. Settings available in this mode include:
❑ Entering set point values for audible and visual alarms.
❑ Connecting the wireless remote - allows testing of large systems by one operator.
To access:
1. Select Test Configurations > Applications Setup.
2. Select Spray Method and press Set-Up and Figure 5-9 appears.
Figure 5-9 Spray Method
At this point Auto Zero < 0 is enabled.
Buttons and Fields
Set Point 1 Desired Alarmed Leak Rate value (> <) - This value can be adjusted
from 10
-10
to 10
-4
. Set Point values in Spray applications are usu-
ally programmed for greater than the acceptable leak rate limits.
Audio Set Point Desired Audio Alarmed Leak Rate value (> <) - This value can be
adjusted from 10
-8
to 10
-4
. The Audio Set Point triggers with its'
own distinct tone if different from Set Point 1.
Remote Control The wireless handheld remote can be activated and configured
(channel selection) within this application.