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Model 200EU-NOy Option Manual Addendum
Table 4.3 - Span Calibration Procedure
Step
Number
Action Comment
1. Press CAL The M200EU enters the calibrate mode and the adaptive
filter is activated. This allows the instrument to respond
rapidly to concentration changes regardless of their
magnitude.
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 calculation
equations and causes the instrument to read the NO and
N
Ox span concentrations.
5. Press EXIT M200EU returns to sampling. Immediately after
calibration, data is not added to the DAS averages.
05386 Rev. A 16