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Model 9110T NOx Analyzer Principles of Operation
Teledyne Analytical Instruments 366
The readings taken are adjusted, linearized and compared to the expected values.
With this information, the software computes values for instrument slope and offset and stores these
values in memory for use in calculating the NO
x
, NO and NO
2
concentrations of the sample gas.
The instrument slope and offset values recorded during the last calibration can be viewed via the
instrument’s front panel (see Section 4.1.1).