Agilent Technologies Helium User Manual page 88

Technical Information
Audio Set Point
The Audio Setpoint is very useful in the Sniffing Application. The programmed Audio
NOTE
Set Point value can be programmed 50% < Set Point 1, which alarms the operator
that they are approaching a leak (leak location).
Plugged Probe Alarm
Files
Calibrate
88
Desired Audio Alarmed Leak Rate Value (> <). This
value can be adjusted from 10
Point triggers with its' own distinct tone if different
from Set Point 1.
A distinct high frequency tone different from the Audio
& Set Point.
1 This alarm is useful in alerting the operator that the
desired Power Probe/Sniffing Probe adjustment
(pressure) has changed. A High Limit can be
selected in alerting that too much flow (high test
port pressure) is present. A Low Limit trigger is
typically the norm indicating that the Power
Probe/Sniffing is blocked or the tubing is kinked or
pinched off.
The operator can store up to three setup
configurations:
• Sniff 1-3
The information icon provides the necessary directions
for a successful external calibration.
External calibration/Sensitivity check: Follow the step
by step process.
Agilent Helium Leak Detector User Manual
-8 to 10 -4 . The Audio Set