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Teledyne API Model 200A NO
X
Analyzer Instruction Manual, 02246, Rev. G, DCN 5247
Table 7-7-8: Enabling Dynamic Zero/Span
StepNumber Action Comment
1. Press
SETUP-ACAL
Causes the M200A go to the AutoCal menu.
2. Press
PREV-NEXT
Select the sequence you want for dynamic calibration.
3. Press SET Select the SET menu.
4. Press
PREV-NEXT
Scroll through the SET menu to the CALIBRATE attribute.
5. Press EDIT Set the CALIBRATE attribute value to ON to enable Dynamic
Span.
6. Press EXIT Causes the M200A to return to SAMPLE mode.
NOTE
If you try a Dynamic span calibration using the NO
2
permeation tube
as a calibration gas source, the NO channel concentration will be zero
due to the lack of NO in the NO
2
permeation tube. An error message
will be displayed, CANNOT CALIBRATE. We recommend a calibrated
NO tank for complete calibration. Also see the CAL-ON-NO2 option.
With dynamic calibration turned on, the instrument will re-set the slope and offset values for the
NO and NO
x
channel each day. This continual re-adjustment of calibration parameters can often
mask subtle fault conditions in the analyzer. It is recommended that if Dynamic Cal is enabled,
the TEST functions, and SLOPE and OFFSET values in the M200A are checked frequently to
assure high quality and accurate data from the instrument.
7-8
PRINTED DOCUMENTS ARE UNCONTROLLED