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PRES
SAMPLE FLOW
SAMPLE TEMP
BENCH TEMP
WHEEL TEMP
BOX TEMP
DCPS
10.5 Troubleshooting dynamic problems
Dynamic problems (i.e. problems which only manifest themselves when the analyzer is
monitoring sample gas) can be the most difficult and time consuming to isolate and
resolve. Additionally, analyzer behavior which appears to be a dynamic problem is often
a symptom of a seemingly unrelated static problem. For these reasons, it recommended
that dynamic problems not be addressed until all static problems and warning conditions,
as described in the preceding sections, have been isolated and resolved.
P/N 02163G Teledyne API Model 300 CO Analyzer Instruction Manual - Page 81
The absolute
pressure of the
sample gas in the
absorption cell
Sample mass flow
rate
The temperature of
the sample gas in
the absorption cell
The temperature of
the Optical Bench
The temperature of
the Gas Filter Wheel
The temperature
inside the analyzer
chassis
DC Power Supply
reference - A
composite of all
voltages provided
by the DC Power
Supply
TABLE 10.2
0"-1.0" Hg below
ambient pressure
720-880 scc/min
o
o
48
-50
C (After
warm-up)
o
48
C (After warm-
up)
o
68
C (After warm-
up)
o
o
1
-5
C above
ambient
2250-2750 mV
Check for
pneumatic system
problems. See Sect.
10.6.1. Check for
pressure transducer
problems. See Sect.
10.6.5
Check for
pneumatic system
problems. See
Section 10.6.1.
Check for
flowmeter
problems. See
Section 10.6.5
See Section 10.6.2
See Section 10.6.2
See Section 10.6.2
See Section 10.6.2
See Section 10.6.4
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Troubleshooting
