Description
3.6 Functions
MicroSAM
Operating Instructions, 06/2012, C79000-G5376-C560-07
35
Note
Types of solenoid valves
The membrane valve functions are controlled by solenoid valves. Two types of solenoid
valves are used: open when deenergized and closed when deenergized.
Closed when deenergized: MV2 - Sample, MV4 - Injection
Open when deenergized: MV1 - Flush loop, MV3 - Back flush
Open when deenergized: MV1 – Flush loop_1, MV5 – Flush loop_2
Result
The result of the measurement is e.g. a chromatogram with time switching points on detector
TCD 2. This chromatogram shows the difference in the two procedures (live and eLive)
between the switching points t
4
and t
6
.
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6LJQDOUHVSRQVHZLWKH/LYHLQMHFWLRQ
W
(QG
6LJQDODW
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t
2
t
3
W
W
t
1
W
W
W
W
W
W
WV
Figure 3-12 Example: chromatogram with time switching points
3.6.5.1 Preparation of measurement
Note
Time switching points
The time switching points shown on the following pages all depend on the type of
application. Only the time switching point t
6
for the injection is always zero.
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