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Teledyne API T801 NDIR CO2 Analyzer Operation Manual Setup Menu
71
2. Select the reporting range mode and set the reporting range upper limit (see
Section 5.4.3).
3. Ensu
re that the upper span limit entered for the reporting range is the
maximum expected concentration of the non-diluted gas.
4. Set the dilution factor as a gain (e.g., a value of 20 means 20 parts diluent
and 1 part of sample gas):
5. Calibrate the analyzer.
Make sure that the calibration span gas is either supplied through the
same dilution system as the sample gas or has an appropriately lower
actual concentration.
EXAMPLE: If the reporting range limit is set for 20 % and the dilution ratio
of the sample gas is 20, either:
a span gas with the concentration of 20 % can be used if the span gas
passes through the same dilution steps as the sample gas, or;
a 1 % span gas must be used if the span gas IS NOT routed through the
dilution system.
07274B DCN6418