13.
Press
to cancel the manual verification.
14.
Press
to finish.
15.
Repeat steps 5-9.
16.
Press
for automatic verification.
This opens the valve (where applicable) and flows the span gas.
17.
Allow the concentrations to stabilize and wait for two minutes after stabilization.
This screen gives a reading of the concentration of the selected gas that is present,
as measured by the instrument. In the example shown in
Figure 5-12
, the gas being
measured is NH
3
(ammonia), and the instrument has detected a concentration of
2000.29 ppm.
18.
If the reading is within tolerance, no further action is required. Press
to end the
span verification process.
The display controller proceeds to the Result screen (
Figure 5-13
).
Result Screen
Figure 5-13:
19.
If the reading is outside tolerance, the instrument should be span calibrated.
Refer to
Section 6.3.2
.
20.
Press
to return to the screen shown in
Figure 5-14
.
Verifying Gas Concentrations
Installation, Operations, and Maintenance Manual
43
Summary of Contents for Rosemount CT5400
Page 15: ...Abbreviation Description WEEE Waste electrical and electronic equipment μm Micro meter ...
Page 16: ......
Page 20: ...Contents iv Rosemount CT5400 ...
Page 32: ...Plan 12 Rosemount CT5400 ...
Page 40: ...Install 20 Rosemount CT5400 ...
Page 44: ...Startup procedure 24 Rosemount CT5400 ...
Page 54: ...Operating the analyzer 34 Rosemount CT5400 ...
Page 158: ...Troubleshooting and diagnostics 138 Rosemount CT5400 ...
Page 164: ...Shutdown procedure 144 Rosemount CT5400 ...
Page 166: ...Preventative maintenance 146 Rosemount CT5400 ...