12 Injection Port
12.3 Direct Injection System
146
GC-2014
12.3.1 Setting the temperature
12.3.1.1 Screen description
Press the [INJ] key to display the injection port main screen shown in Fig. 12.3.2 and to
set the injection port temperature.
12.3.1.2 Parameter list
TEMP
Range: 0.0−400.0 °C, Default: 25.0 °C
Set the injection port temperature.
Keep the injection port at the lowest practical temperature for the analysis; this prolongs
the service life of the temperature sensor. To instantly vaporize the injected sample, set
the injection port temperature approximately 30 °C higher than the final column oven
temperature. Because the sample quantity is usually minute, the sample is vaporized at
temperatures lower than the boiling point of sample compounds. To set the maximum
temperature limit, refer to “16.6.4 Setting the maximum temperature limits” in “16.6 GC
Configuration”.
12.3.1.3 PF menu
Fig. 12.3.2 [INJ] key main screen
PF menu Description
Reference
section
Print Prints the temperature program to a Chromatopac.
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Next Inj
Toggles to the next setup screen when two or more injection ports are
installed in this system.
The [INJ] key can also be used to switch screens.
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