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Technical Information
Filament
Gain
Changing Gain changes Zero by the same percentage, which can affect system
NOTE
transfer points. Typical gain values range from 0.5 to 3.0. The higher the gain, the
more noise shows up in the least sensitive range.
To change a Gain parameter:
1
Press the numerical Gain value.
The numerical value has a grayed out/dimmed appearance
For all tuning parameters, press Cancel to revert back to the original value or press
NOTE
Done to initiate/store the desired.
2
Press the Up or Down arrow to peak the helium signal.
3
Press Done to accept the changes and to store the new parameter value in the
leak detector memory.
4
Press OK to exit the screen and return to the Home screen.
To manually tune the leak detector:
1
Place the system in TEST mode.
2
Navigate to the Calibration and turn the Read Internal Leak - On.
3
Write down the INTERNAL CALIBRATED LEAK value. This value is temperature
compensated.
128
Switches between Filament 1 and 2. The filament
selection can be performed manually, but occurs
automatically if the current operating filament burns
out. A calibration routine is recommended every time
the operating filament is changed. The change appears
on the Home and System Information screens and C
flashes on the Home screen to indicate that calibration
is required.
Displays the current value of the Gain of the system.
Gain is used to scale the indicated value of a known
leak to agree with a known correct value. The gain
parameter is adjusted after the leak detector has been
tuned to helium. It is automatically set by the Calibrate
Procedure.
Agilent Helium Leak Detector User Manual
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