Agilent Technologies Helium Leak Detector
80
DRAFT 12
/11/17
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.
NOTE The Audio Setpoint is very useful in the Sniffing Application.
The programmed Audio 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 A distinct high frequency tone different from the Aud
io & 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.
Files The operator can store up to th
ree setup configurations:
❑ Sniff 1-3
The information icon provides the necessary directions for a suc-
cessful external calibration.
Calibrate External calibration/Sensitivity check: Follow the step by step pro-
cess.
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