IV-4
Calibration
Thermo Scientific Orion 2111LL Sodium Monitor User Guide
ROSS and the COIL tradedress are trademarks of Thermo Fisher Scientific Inc. US Patent 6,793,787
The .2111LL .utilizes .pressure, .gravity .and .fluid .dynamics .as .the .principal .
force .of .operation .for .the .fluidic .system .
• . Air .pump, .see .detail .
A
.
• . Left .air .valve, .see .detail .
B
• . Right .air .valve, .see .detail .
C
• . Airflow .regulation .is .critical .to .proper .siphoning, .mixing .and .operation .
of .the .flow .cell .during .measurement .and .calibration .modes .
• . Successful .air .regulation .requires .proper .air .pump .operation .
1 . . Right .air .valve .is .in .
Mix
position, .arrow .pointing .down . . .Refer .to .
Figure IV-4
, .
C
2 . . Left .air .valve .is .in .
Siphon
.position, .arrow .pointing .down . . .Refer .to .
Figure IV-4
, .
B
.
. • . .System .now .maintains .a .consistent .pressure .in .flow .cell .to .initiate .
siphon .during .flushing .sequence . .
3 . . At .this .point .refer .to .
Chapter IV, Rinsing the Flow Cell
.for .proper .
fluid .flow .to .rinse .flow .cell .
Air Regulation
50
40
30
20
10
Cal
Rinse Position
Siphon
Measure
Cal
Mix
Measure
A
C
B
Major Components of Air
Regulation System
Recommendation
Rinsing the Flow Cell
Figure IV-4
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