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Teledyne API Model 200AU NO
X
Analyzer Instruction Manual, 02293, Rev. F
2-6
2.3 Initial Operation
1. After confirming proper supply voltage, turn on the instrument power.
2. The display should immediately light, displaying the instrument type (M200AU) and the
computer's memory configuration. If you are unfamiliar with the M200AU, we recommend
that you read the overview Section 4 before proceeding. A diagram of the software menu
trees is in Figure 5-1 and Figure 5-2.
3. The M200AU requires about 30 minutes for all internal components to come up to
temperature. During this time the ozone generator power is OFF until the membrane dryer
has time to purge itself, therefore there will be no response from the instrument, even if span
gas is coming in the sample port. During this time temperatures and other conditions are out
of specification. Because many warning conditions could be displayed the software
suppresses warning conditions for 30 minutes after power up. After 30 minutes, warning
messages will be displayed until the respective warning conditions are within specifications.
Use the CLR key on the front panel to clear warning messages.
4. While waiting for instrument temperatures to come up, you can check for correct
operation by using some of the M200AU's diagnostic and test features.
5. Examine the TEST functions by comparing the values listed in Table 2-1 to those in the
display. Remember that as the instrument warms up the values may not have reached their
final values yet. If you would like to know more about the meaning and utility of each TEST
function, refer to Table 9-1. Also, now is a good time to verify that the instrument was
shipped with the options you ordered. Table 2-1 also contains the list of options. Section 6
covers setting up the options.
6. When the instrument is warmed up, re-check the TEST functions against Table 2-1. All
of the readings should compare closely with those in the Table. If they do not, see Section
9.1.1. The next task is to calibrate the analyzer. There are several ways to do a calibration,
they are summarized in Table 7-1. For instruments not equipped with the external converter
option, we recommend calibration with zero air and span gas coming in through the sample
port. The procedure is: