CP-3800 GC Operator’s Manual
33
A CP-1177 equipped with Electronic Flow Control includes a second page
for programming the split state and split ratio. If the split state is ON, then
the sample is split according to the split ratio specified. If the split state is
OFF, then the entire sample enters the column.
The example below is for a splitless injection. At the initial time (prior to run
start), the Split State is OFF indicating that when the sample is injected the
entire sample vapor should enter the column. After 0.75 minutes, the split
state is switched to ON with a 100:1 split ratio.
ACTIVE
METHOD
EDIT
METHOD
CTRL
RUN
TIME
END
TIME
Method 1
Method 1
0.00
20.00
Set (°C): 50 Actual (°C): 50 Split Ratio: OFF
FRONT 1177, Page 2 of 2.
Time
Split State
Split Ratio
Initial
OFF
OFF
0.75
ON
100
Default
Range
Time (min)
Initial
[0.00 - 999.99]
Split State
Off
[On/Off]
Split Ratio
100
[Off, 1 to 10,000]
If the injector is equipped with manual pneumatics, then the injector split
state is programmed in the VALVE TABLE of the SAMPLE DELIVERY
section.
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