4-20 | IPS-4 Dual Bench (UV / IR) Analyzer
Calibration Valves
The Calibration Valves screen (Figure 4-16) allows the user to enter the
calibration fluid concentration value used for each analyte (Analyte cal
conc). Note that the actual species name will be displayed on the screen,
not “Analyte” (e.g., SO
2
).
To enter calibration fluid concentration:
1. Select the analyte you wish to enter a calibration fluid concentration
for and press ENTER to go into Edit mode.
2. Changing the concentration value:
• Use the UP/DOWN arrow key to increase/decrease the value in in-
crements of one (1.00). When using this method, the value counts
up/down from the current setting. This works best for minor
changes.
• When no value exists, use the numeric and decimal keys to enter a
value.
• When a value exists, use the LEFT arrow key as a backspace to
erase the characters to the left of the cursor ( ‘_’ ), then use the
numeric and decimal keys to enter the new value. This works best
for drastic changes.
3. For multi-species spanning, repeat Steps 1 and 2 for each species that
will be spanned.
Figure 4-16.
Calibration Valves
screen.
►Analyte
1
cal conc 0.0
Analyte
2
cal conc 0.0
Analyte
3
cal conc 0.0
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