2. Allow the concentration to stabilize.
Figure 6-7: Calibrate Zero for NH3
This screen gives a reading of the concentration of the selected gas that is present
as an impurity in the nitrogen calibration gas, as measured by the analyzer.
In the example shown the gas being measured is NH
3
(ammonia), and the analyzer
has detected a concentration of 0.510 ppm (vol).
3. To abort the calibration process, press
▲
or
▼
, otherwise the analyzer will perform
the
ZERO CALIBRATION
, either after waiting for the purge time, or when
►
or
is
pressed, whichever is sooner. The result of the calibration will then be displayed, as
below.
Figure 6-8: Result
4. Press the appropriate button
Option
Description
To return to the
Gas Service Screen
.
Gas calibration
Reference Manual
January 2020
00809-0100-4244
54
Rosemount CT4400
Summary of Contents for Rosemount CT4400
Page 1: ...Reference Manual 00809 0100 4244 Rev AA January 2020 Rosemount CT4400 Continuous Gas Analyzer ...
Page 32: ...Start up procedure Reference Manual January 2020 00809 0100 4244 32 Rosemount CT4400 ...
Page 40: ...Operating the analyzer Reference Manual January 2020 00809 0100 4244 40 Rosemount CT4400 ...
Page 64: ...Gas calibration Reference Manual January 2020 00809 0100 4244 64 Rosemount CT4400 ...
Page 96: ...Shutdown procedure Reference Manual January 2020 00809 0100 4244 96 Rosemount CT4400 ...
Page 98: ...Preventative maintenance Reference Manual January 2020 00809 0100 4244 98 Rosemount CT4400 ...
Page 100: ...Recommended spare parts Reference Manual January 2020 00809 0100 4244 100 Rosemount CT4400 ...
Page 105: ......