Emerson Rosemount CT4400 Reference Manual page 43

Reference Manual
00809-0100-4244
11. Allow the concentration readings to stabilize.
12. Press
13. Press the appropriate button.
Reference Manual
Figure 5-5: Result
This screen gives a reading of the concentration of the selected gas that is present
as an impurity in the nitrogen calibration gas.
In the example the gas being measured is NH
concentration of 0.866 ppm.
If the reading is within tolerance, no further action is required.
to end the zero verification process.
Option
Verifying gas concentrations
, and the analyzer has detected a
3
Description
To return to the Gas Service Screen.
To select the next gas from the Select
Gas screen.
To return to the Main Menu.
To return to the Gas Sensor Main
screen
(Figure 4-4).
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