USER MANUAL
| ICOS | INSTRUCTIONS | UM/ICOS-EN REV. B.2
105
To begin batch mode processing:
a.
Click
NEXT
in the
Batch Mode Status
display box. (Figure 117)
i.
Each step is displayed in the lower-right panel of the screen as the
analyzer prepares for the injection.
b.
The ICOS cavity is pumped out.
c.
The ICOS cavity is flushed with Zero Air twice before requesting the sample.
d.
The analyzer Prompts you to inject >140mL of Sample Gas into the syringe
port on the front panel of the analyzer.
e.
Fill the 140mL syringe with your sample, and insert the needle into the
syringe port on the front of the analyzer.
ii.
The suction from the cavity should automatically draw your
sample into the cavity. Light pressure on the syringe will help to
introduce the sample.
iii.
You have 120 seconds to inject the sample.
If you take longer than 120 seconds to complete the injection, the
Failed Injection
message displays and instructs you to restart the
injection process.
Changing the Septa on the Syringe Injection Port
The septum on the syringe injection port requires periodic replacement. Depending on use,
a septum should last a minimum of 100 injections.
To replace the septum:
1.
Click the
Rate
button on the
User Interface Control Bar
. (Figure 115)
2.
The Operating Mode pop-up menu displays. (Figure 119)
Figure 119: Rate Control Screen
