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ECD Status:
Item Description
Ready Yes or No.
The ECD detector is Ready (Yes) if the setpoints have been
achieved and stabilized. The ECD detector is Not Ready (No) if
readiness to start a run has not been achieved or if, during a run,
the ECD 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 ECD detector component has occurred.
ECD
Electronics
On or Off
Displays the ECD Electronics setting in the active method.
Range 1 or 10
Displays the ECD 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 ECD
Adjustments in the active method.
Detector
Signal
Displays, in mV, the actual ECD detector signal at the 3800 GC.
Bunch Size Displays the data acquisition bunch size.
Freq Displays the data acquisition bunch rate, in Hz.
TSD Status:
Item Description
Ready Yes or No.
The TSD detector is Ready (Yes) if the setpoints have been
achieved and stabilized. The TSD detector is Not Ready
(No) if readiness to start a run has not been achieved or if,
during a run, the TSD 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 TSD detector component has
occurred.
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