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Teledyne API Model 100AH SO
2
Analyzer Instruction Manual, 02417, Rev. D
Enter the expected SO
2
span gas concentration:
Table 8-3: Enter Expected Span Gas Concentration Procedure
Step Number Action Comment
1. Press
CAL-CONC
This key sequence causes the M100AH to prompt for the
expected SO
2
concentration. Enter the SO
2
span
concentration value by pressing the key under each digit
until the expected value is set. This menu can also be entered
from CALS.
2. Press ENTR ENTR stores the expected SO
2
span value.
4. Press EXIT Returns instrument to SAMPLE mode.
Table 8-4: Manual Span Calibration Procedure - Span Gas Through Sample Port
Step Number Action Comment
1. Press CAL The M100AH enters the calibrate mode. External span gas
should be fed to the sample port. If AutoRange is enabled,
then select LO or HI range and press ENTR.
2. Wait 10 min Wait for reading to stabilize at span value.
3. Press SPAN If you change your mind after pressing SPAN, you can still
press EXIT here without spanning the instrument.
4. Press ENTR Pressing ENTR actually changes the calibration equations
and causes the instrument to read the SO
2
span
concentrations.
5. Press EXIT M100AH returns to sampling. Immediately after calibration,
data is not added to the DAS averages.
8-4