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Type 4 Injector EFC Flow/Pressure Status:
Item Description
Ready Yes or No.
The Type 4 Injector EFC component is Ready (Yes) if the
setpoints have been achieved and stabilized. The Type 4
Injector EFC component is Not Ready (No) if readiness to
start a run has not been achieved or if, during a run, the EFC
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 Type 4 EFC component has
occurred.
Type 4 Pressure
Setpoint
0.1 to 100 psi
Displays the programmed column head pressure setting in
the active method.
Actual Pressure
0.1 to 100 psi
Displays the actual column head pressure at the 3800 GC.
Column Flow
Displays, in ml/min, the column flow rate calculated from the
column head pressure, column temperature, and column
parameters (carrier gas, column length, and internal
diameter).
This value is not displayed if the column length has not been
set in the 3800 GC column parameters setup.
Total Flow
1 to 1000 ml/min
Displays the programmed total flow rate in the active method.
Linear Velocity
Displays, in cm/sec, the column linear velocity calculated
from the column head pressure, column temperature, and
column parameters (carrier gas, column length, and internal
diameter).
TCD Status:
Item Description
Ready
Yes or No.
The TCD detector is Ready (Yes) if the setpoints have been
achieved and stabilized. The TCD detector is Not Ready (No) if
readiness to start a run has not been achieved or if, during a run,
the TCD 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 TCD detector component has occurred.
TCD Electronics
On or Off
Displays the TCD Electronics setting in the active method.
Range 0.05, 0.5, or 5.0
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