Agilent Technologies Helium User Manual page 78

Leak detector
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Technical Information
Press the desired
value to access
its keypad
Figure 33 Reject and Audio Setpoints
Reject Set Points
Audio Set Point
78
Activate and non-activate set points appear on the
Home screen inside the Set Point Status window.
The status of the set points are also available through
the RS-232 line (see Appendix A "Communications
Protocol"). There are four possible set points. Three set
points can be programmed to a leak rate value and one
can be programmed to test port pressure.
Set points may be turned ON or OFF (enabled or
disabled) for each set point. If a Reject Set Point is ON,
then the rear panel output for that set point goes active
when its leak rate value is exceeded and an activated
red box indication appears on the Home screen.
Each set point is set to activate above or below the
programmed value. To activate the reject set point:
Above the programmed value, select the >.
Below the programmed value, select the <.
Settings:
On:
The audio tone rate increases proportionally with
each decade that the measured leak increases
above the set point (leak rate pass/fail
specification). The audio volume control is located
on the Home screen.
Agilent Helium Leak Detector User Manual
Toggles these
options on/off.
Activates the
reject
the programmed
set point if below
value
Activates the
reject
the programmed
set point if above
value

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