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Teledyne API Model 401 O
3
Photometric Calibrator Instruction Manual, 01124, Rev. J2
Table 9-2: Test Function Values (Continued)
Test
Function
Meaning Acceptable Values
Corrective Action for
Unacceptable Values
SAMPLE
FLOW
Sample mass flow rate. 700-900 cc./min Check for pneumatic system
problems. See Section 9.6.1.
Check for flowmeter
problems. See Section 9.6.5.
SAMPLE
TEMP
The temperature of the
sample gas in the absorption
cell.
1°-5° C
above ambient
See Section 9.6.2.
ANA LAMP
TEMP
The temperature of the
Source Lamp.
52° C
(After warm-up)
See Section 9.6.2.
IZS LAMP The temperature of the O
3
GEN Lamp.
48° C
(After warm-up)
See Section 9.6.2.
BOX TEMP The temperature inside the
analyzer chassis.
1°-5° C above
ambient
See Section 9.6.2.
DCPS DC Power Supply reference-
-A composite of all voltages
provided by the DC Power
Supply.
2400-2600 mV See Section 9.6.4.
O
3
FLOW The flow rate of O
3
GEN. 2-5 L/M Adjust pressure regulator to
set proper flow rate.
9.5 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 is 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.
If all the checks described in the preceding sections have been successfully performed, the
following will provide an itemization of the most common dynamic problems with
recommended troubleshooting checks and corrective actions.
9-6