
318
Item Description
TSD Bead Power On or Off
Displays the TSD Bead Power initial condition setting or the
time-programmed setting in the active method.
Range 9, 10, 11, or 12
Displays the TSD Range initial condition setting or the time-
programmed setting in the active method.
Time Const Fast (50 msec) or Slow (200 msec)
Displays the electrometer time constant setting from the
TSD Adjustments in the active method.
Bead Current
2.4 to 3.8 A or Off
Displays the TSD Bead Current setting in the active method
or Off if the Bead Power is off.
Detector Signal Displays, in mV, the actual TSD detector signal at the 3800
GC.
Bunch Size Displays the data acquisition bunch size.
Freq Displays the data acquisition bunch rate, in Hz.
PFPD Status:
Item Description
Ready
Yes or No.
The PFPD detector is Ready (Yes) if the setpoints have
been achieved and stabilized. The PFPD detector is Not
Ready (No) if readiness to start a run has not been achieved
or if, during a run, the PFPD detector becomes not ready or
goes “out of tolerance”. Some reasons the GC may go Not
Ready during a run are: the temperature program is too
aggressive, the oven door is opened, the coolant runs out,
the power line voltage drops, etc.
Fault
Yes or No.
Displays if a fault in the PFPD detector component has
occurred.
PFPD Electronics
On or Off
Displays the PFPD Electronics setting in the active method.
Range
8, 9, or 10
Displays the PFPD Range initial condition setting or the
time-programmed setting in the active method.
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